Anyone who’s commissioned solar installations knows the drill: juggling multiple meters, manually shorting DC terminals for insulation tests, climbing on and off roofs repeatedly to verify string performance, then spending hours compiling test results for compliance documentation. When you’re racing daylight to complete AS/NZS 5033 commissioning on a 50kW commercial array, every minute counts.

The HT Instruments HT PVCHECKS-ONE multifunction commissioning tester cuts through this complexity with a single-instrument solution designed specifically for modern PV installations. Whether you’re commissioning residential arrays under the Clean Energy Council guidelines or managing large-scale solar farms, this Italian-engineered diagnostic platform delivers comprehensive electrical safety verification and performance testing without the equipment juggling act.

One Button, Complete Commissioning Test Sequence

The standout feature that separates PVCHECKS-ONE from conventional testing approaches is the automated “GO” function. Connect to your array’s DC terminals, press one button, and the instrument executes the complete electrical safety test sequence required by IEC/EN 62446 and AS/NZS 5033:2021. Within minutes, you’ll have verified continuity of protective conductors, confirmed polarity, measured open-circuit voltage, tested short-circuit current, and performed insulation resistance testing—all documented with pass/fail indicators.

For solar installers working through combiner boxes on commercial installations, the AUTOSTART mode enables sequential testing of all strings without manual intervention between measurements. Connect once, initiate testing, and the PVCHECKS-ONE automatically advances through each string in the combiner, documenting results as it progresses. This workflow efficiency translates directly to reduced labour costs and faster project completion.

Revolutionary DUAL Function Eliminates External Shorting Hardware

Here’s where PVCHECKS-ONE represents genuine innovation in PV testing methodology. Traditional insulation resistance testing on photovoltaic arrays requires physically shorting positive and negative DC terminals with an external switch before connecting your insulation tester. This means additional hardware to carry, extra connection steps, and increased opportunities for measurement error or safety incidents.

The PVCHECKS-ONE’s patented DUAL function performs insulation resistance measurements at 250V, 500V, or 1000V DC test voltages without requiring external shorting equipment. Whether you’re testing a single module, an entire string, or a complete PV array, the instrument handles terminal shorting electronically while simultaneously measuring insulation to ground from both positive and negative conductors. You receive three critical measurements—total parallel resistance, positive pole resistance to ground, and negative pole resistance to ground—identifying exactly where insulation degradation exists.

This capability proves particularly valuable when troubleshooting installations with suspected ground faults. The included GFL (Ground Fault Locator) function identifies precisely between which modules in a string an insulation problem exists, eliminating the guesswork from fault diagnosis and dramatically reducing repair time.

Real-World Performance Testing Under Operating Conditions

AS/NZS 5033:2021 requires verification that installed modules perform according to manufacturer specifications. The PVCHECKS-ONE measures open-circuit voltage (Voc) up to 1000V and short-circuit current (Isc) up to 30A under actual operating conditions, then mathematically refers these measurements to Standard Test Conditions (STC) when paired with the optional SOLAR03 environmental monitoring unit.

The SOLAR03 remote unit (sold separately) wirelessly connects via Bluetooth BLE and simultaneously measures front-side irradiance using the HT305 reference cell, module temperature via PT305 probe, and array inclination angle. Real-time environmental data feeds into PVCHECKS-ONE’s performance algorithms, delivering accurate STC-corrected results that can be compared against manufacturer datasheets for compliance verification.

For installers working with bifacial modules—increasingly common in commercial and utility-scale installations—the optional KIT BIFACIALONE (2× HT305 cells + SOLAR03) enables simultaneous measurement of front and rear irradiance, accounting for ground reflection and backside gain in performance calculations.

OPT Function: Testing Arrays with Module-Level Power Electronics

Modern PV installations increasingly incorporate module-level power electronics (MLPE) such as DC optimizers, rapid shutdown devices, and microinverters. These devices present challenges for traditional insulation testing because their internal circuitry can interfere with test voltages, often requiring disconnection before testing—a time-consuming process on large installations.

The PVCHECKS-ONE’s OPT function specifically addresses this installation reality. When testing strings equipped with SolarEdge optimizers, Tigo devices, or similar MLPE equipment, the OPT mode applies modified test protocols that obtain valid insulation measurements without requiring disconnection of optimizers from modules. This feature alone saves hours on commercial installations with hundreds of optimized modules.

Built for Australian Solar Installation Environments

Australian solar installers face unique environmental challenges—extreme UV exposure, temperature swings from sub-zero mornings to 45°C+ afternoons, coastal salt air corrosion, and red dust that infiltrates everything. The PVCHECKS-ONE’s CAT III 1000V AC, CAT III 1500V DC measurement category rating and robust Italian construction handles these conditions while maintaining measurement accuracy.

The instrument ships with MC4-compatible connection adapters (KITPCMC4), four-colour alligator clip test leads (KITGSC4), protective hard case (VA507), and factory ISO calibration certificate. For installers coordinating with Clean Energy Council requirements or state-based commissioning documentation, the optical/USB interface enables direct connection to Windows-based reporting software for automated compliance document generation.

Technical Specifications That Matter on Australian Job Sites

Voltage & Current Testing:

• Open-circuit voltage measurement: 0-1000V DC with 0.1V resolution
• Short-circuit current measurement: 0-30A DC with 0.01A resolution
• Measurement category: CAT III 1000V AC, CAT III 1500V DC

Insulation Resistance Testing:

• Test voltages: 250V, 500V, 1000V DC selectable
• Measurement range: Up to 2000MΩ (exceeds AS/NZS 5033 minimum 1MΩ requirement)
• DUAL function: Simultaneous positive/negative pole insulation measurement
• OPT function: MLPE-compatible insulation testing
• Polarization Index (P.I.) and Dielectric Absorption Ratio (D.A.R.) calculation

Continuity Testing:

• Test current: >200mA DC (AS/NZS 5033 compliant)
• Range: 0.00-199Ω with 0.01-1Ω resolution
• Protective conductor verification per IEC/EN 61557-4

Data Management:

• Internal memory: 999 test locations
• Integrated WiFi for HTANALYSIS app connectivity
• Optical/USB PC interface for report generation
• Custom PV module database management

Physical Specifications:

• Dimensions: 235 × 165 × 75mm
• Weight: 1200g (including batteries)
• Power: 6× AA alkaline batteries (included) or NiMH rechargeable
• Display: Backlit LCD with on-screen help function
• Protection: Hard carry case with shoulder strap included

Compliance Standards & Certifications

The PVCHECKS-ONE meets or exceeds all relevant Australian and international testing standards:

• AS/NZS 5033:2021 – PV array installation and safety requirements
• IEC/EN 62446-1 – PV system commissioning and documentation
• IEC/EN 61557-1, -2, -4 – Electrical safety testing standards
• IEC/EN 61187 – Insulation testing procedures
• IEC/EN 61010-1, -031, -2-034 – Safety requirements for measurement equipment
• IEC/EN 61326-1 – Electromagnetic compatibility requirements

Includes factory ISO calibration certificate traceable to international standards, meeting Clean Energy Council accreditation requirements for test equipment calibration.

Real Applications Across Australian Solar Installations

Residential Solar Commissioning: Solar installers completing Clean Energy Council-approved residential installations benefit from automated test sequences that satisfy AS/NZS 5033 commissioning requirements in minutes rather than hours. Single-touch operation reduces human error in test execution, while automatic documentation generation streamlines compliance reporting to state electrical authorities.

Commercial & Industrial Arrays: Electrical contractors managing 50kW to 500kW commercial rooftop installations appreciate the AUTOSTART function when testing multiple strings through combiner boxes. The ability to test strings sequentially without reconnecting test leads dramatically reduces commissioning time on large arrays, while the GFL fault locator speeds troubleshooting during acceptance testing.

Solar Farm Maintenance: Utility-scale operations teams rely on PVCHECKS-ONE for preventive maintenance inspections across thousands of modules. Insulation resistance trending using P.I. and D.A.R. ratios identifies deteriorating arrays before catastrophic failures occur, while performance verification under operating conditions confirms generation capacity matches pro forma projections.

Fault Diagnosis & Remediation: When solar arrays underperform or fail, the combination of comprehensive electrical safety testing, performance verification, and ground fault location pinpoints problems efficiently. The ability to test strings with optimizers installed (OPT function) eliminates hours of MLPE disconnection when troubleshooting optimizer-equipped installations.

Training & Education: TAFE colleges and Registered Training Organisations teaching solar installation courses value the PVCHECKS-ONE’s alignment with AS/NZS 5033 testing procedures and IEC 62446 compliance requirements. Students learn on the same professional equipment they’ll use in the field, while the instrument’s comprehensive testing capabilities support classroom demonstrations of various fault scenarios.

Optional Accessories for Complete Testing Solutions

SOLAR03 Environmental Monitoring Unit (Codmetel: 1739): Bluetooth-connected remote unit measures irradiance (0-1400W/m²), module temperature, and inclination angle. IP67-rated weatherproof housing suitable for outdoor use. Includes USB-C charging, 2× AA battery operation, and automatic calibration coefficient storage. Essential for performance verification testing to AS/NZS 5033 Appendix D.

HT305 Reference Cell (Codmetel: HA000305): Factory-calibrated monocrystalline reference cell for irradiance measurement (100-1400W/m²). IP65-rated with ±3.0% accuracy, >160° field-of-view angle, and integrated 2m connection cable. Includes ISO calibration certificate. Required for STC performance correlation.

PT305 Temperature Probe (Codmetel: HA305000): PT1000-type temperature sensor for accurate module temperature measurement required by performance testing calculations. Connects to SOLAR03 remote unit.

KIT BIFACIALONE (Codmetel: HA00BIFK): Complete bifacial module testing kit including 2× HT305 reference cells and SOLAR03 remote unit. Enables simultaneous front/rear irradiance measurement for bifacial performance verification. Includes ISO calibration certificates for both reference cells.

YABAT0003000 Rechargeable Battery Kit (Codmetel: HA030000): 6× AA NiMH rechargeable batteries (1.2V, 2000mAh minimum). Eliminates disposable battery costs on high-use installations.

YABAT0004001 External Battery Charger (Codmetel: HA040010): 6-position intelligent charger for AA/AAA NiMH batteries. 110-240VAC universal input, automatic charge termination.

KITPVPROEXT20 Extension Kit (Codmetel: HA0EXT20): 20m extension cable set with banana-to-banana connections. Enables testing distant strings without relocating instrument on large commercial arrays.

Why Australian Solar Professionals Choose PVCHECKS-ONE

Time Efficiency: Automated test sequences reduce commissioning time from hours to minutes. One installer reports completing compliance testing on a typical 6.6kW residential installation in under 15 minutes compared to 45+ minutes with separate instruments.

Compliance Confidence: Direct alignment with AS/NZS 5033:2021 and IEC 62446 testing procedures ensures every measurement meets regulatory requirements. Automated documentation generation satisfies Clean Energy Council submission standards without manual data transcription.

Diagnostic Power: The combination of comprehensive electrical safety testing and the GFL fault locator identifies problems that would remain hidden with basic multimeter testing. Multiple installers report finding insulation defects during commissioning that would have resulted in failed inspections or long-term performance degradation.

Equipment Consolidation: Replacing separate insulation testers, multimeters, and continuity meters with a single integrated platform reduces equipment investment, simplifies tool management, and eliminates the “which meter did I leave on the last job” problem.

Future-Proof Design: As Australian installations shift toward bifacial modules, MLPE optimizers, and higher voltage configurations approaching the residential 600V limit, PVCHECKS-ONE’s 1000V/30A capability, OPT function, and optional environmental monitoring provide headroom for evolving technologies.

“What equipment is needed for solar panel commissioning?” Position PVCHECKS-ONE as comprehensive answer including specific functions: insulation resistance testing, Voc/Isc measurement, continuity verification, polarity checking, and ground fault location.

“How do you test solar panel insulation resistance?” Emphasize DUAL function innovation, 1000V test voltage compliance with AS/NZS 5033, and elimination of external shorting switches.

“What is AS/NZS 5033 compliance for solar installations?” Directly address standard requirements with specific testing procedures PVCHECKS-ONE performs automatically.

“Can you test solar panels without disconnecting optimizers?” Feature OPT function as direct answer, explaining MLPE compatibility and time savings on SolarEdge/Tigo equipped installations.

“How do you find ground faults in solar arrays?” Highlight GFL function with specific module-by-module isolation capability.

Australian Support

We stock PVCHECKS-ONE units in Australia with same-day dispatch for orders placed before 3pm AEST. All instruments include factory ISO calibration certificates and 12-month manufacturer’s warranty covering materials and workmanship defects.

For ongoing compliance with Clean Energy Council equipment requirements and state electrical authority regulations

The post HT Instruments HT PVCHECKS-ONE Solar Tester 1000V | AS/NZS 5033 Compliant appeared first on rapid-tech.

Simplify Advanced Power Quality Analysis

The HT Italia PQA924 Power and Energy Quality Analyzer (Class S) is the ultimate tool for professionals who need accuracy, efficiency, and reliability in power quality analysis and troubleshooting. Designed with cutting-edge technology and a user-friendly interface, the PQA924 analyzer makes even complex power quality studies simple and precise.

Fully compliant with IEC/EN61000-4-30 standards, this analyzer delivers high-accuracy Class S measurements, making it the ideal solution for analyzing single-phase or three-phase systems. Whether you’re diagnosing voltage dips, harmonic issues, or power interruptions, the HT Italia PQA924 has the tools and features to meet your needs.

Key Features of the HT Italia PQA924

1. High-Performance Data Recording

• Record up to 3180 channels of data, including voltage-current events.
• Analyze 386 network parameters such as frequency, voltage, current, and power.
• Perform harmonics analysis with up to 2225 data points for voltages and currents.
• Monitor 24 energy channels for active and reactive energy data.
• Detect voltage anomalies like dips, swells, and interruptions with 10ms resolution.
• Capture fast voltage transients with 1μs resolution for detailed analysis.

2. Comprehensive Power Quality Insights

• Analyze voltage and current harmonics up to the 63rd order with THD% calculations.
• Detect inrush currents, perfect for electric motor diagnostics.
• Measure active, reactive, and apparent power and energy.
• Identify phase sequence and unbalance issues in three-phase systems.

3. Advanced Auto-Configuration (AUTOSET)

• Automatically detects current transducers to prevent connection errors.
• Corrects reversed clamp connections instantly for accurate readings.
• Eliminates wiring errors, saving you time and ensuring reliable results.

4. Robust Data Management

• Store data on a convenient 32GB removable memory card.
• Transfer data via USB, Ethernet, or Wi-Fi for easy access.
• Use the HTAgorà software to analyze data and create professional reports.

Why Choose the HT Italia PQA924?

The HT Italia PQA924 Power and Energy Quality Analyzer is an essential tool for power quality professionals. Its advanced features, including a color touch screen display, Class S accuracy, and innovative AUTOSET technology, make it reliable and easy to use.

Whether you’re troubleshooting voltage anomalies, monitoring harmonics, or capturing inrush currents, the PQA924 analyzer delivers exceptional performance every time.

Popular Applications

• Conducting power quality studies in industrial, commercial, or residential systems.
• Diagnosing voltage dips, swells, interruptions, and electrical imbalances.
• Monitoring harmonics and interharmonics for improved system efficiency.
• Capturing fast voltage transients and identifying inrush current events.

Upgrade Your Power Quality Analysis Today

The HT Italia PQA924 Power and Energy Quality Analyzer combines accuracy, ease of use, and advanced technology in one powerful device. Whether you’re an engineer, technician, or energy professional, this analyzer is designed to meet your needs and exceed your expectations.

Order the HT Italia PQA924 today and elevate your power quality analysis with precision and confidence!

The post HT Italia PQA924 Power and Energy Quality Analyzer – Class S, Advanced Auto-Configuration, 3180 Channel Recording, IEC/EN61000-4-30 Compliance appeared first on rapid-tech.

Perform I-V curve measurements with unparalleled precision using the HT Italia I-V600. This advanced multifunction instrument is designed to handle modules and strings up to 1500V and 40A, making it a must-have tool for professionals who demand the highest degree of accuracy in their measurements.

Our I-V600 is not just a device – it’s a complete solution for module and string tracing. Thanks to its user-updatable database of modules, you can easily compare the measured data to the manufacturer’s nominal values. This gives you an immediate OK/NOT OK response, removing any guesswork and ensuring you always have the most accurate information at hand.

But the I-V600 doesn’t stop at advanced tracing. It also excels at measuring both front-side and rear-side solar radiation, making it perfect for mono and bi-facial module testing. Even more impressively, the I-V600 is designed to handle high-efficiency modules, so you can trust it to deliver reliable results, no matter how advanced your PV module system is.

What’s more, never worry about running out of power again. With its patented Battery Management System (BMS), the I-V600 recharges its own batteries while testing. You can start your measuring campaign with flat batteries and end it with fully charged ones!

In addition to these powerful features, the I-V600 is designed with user-friendliness in mind. It offers Wi-Fi connection to smartphones and tablets, a microSD card slot for memory expansion, and the ability to reverse graphics for easy reading.

Bring precision, power, and convenience to your I-V curve measurements. Choose the HT Italia I-V600.

The post HT Italia I-V600: Advanced I-V Curve Measurement Multifunction Instrument with Self-Charging Battery Management System appeared first on rapid-tech.

But that’s not all. The PVCHECKs-PRO also ensures the continuity of protective conductors with 200mA and checks the polarity of your PV system. From fault finding on strings and PV modules with its GFL function to testing on single-facial and bi-facial modules, this device has got you covered. It even automatically acquires the cell calibration value using suitable cells.

The PVCHECKs-PRO is not just a commissioning tester. It’s your partner in ensuring the safety and efficiency of your PV installations. With a single GO-key stroke, it performs all commissioning tests and can test all strings of a combiner box in sequence. Plus, its GFL – Ground Fault Locator even detects the precise position of the lack of insulation, speeding up your troubleshooting process.

Upgrade your PV testing experience with the HT Italia PVCHECKs-PRO. Reliable, efficient, and easy to use, it’s the ultimate tester that every solar power professional needs.

The post HT Italia PVCHECKs-PRO Multifunction Commissioning Tester for Efficient PV System Testing up to 1500V/40A appeared first on rapid-tech.

The EQUITEST comes equipped with LED indications, delivering clear and concise measurement statuses. Its optimal functions include automatic and manual operating modes, an integrated WiFi connection for maximum convenience, and compatibility with the HTANALYSIS App. With a power supply measurement category, optical/USB serial port for PC connection, and a compact size (210 x 115 x 60mm (8 x 5 x 2in)), the EQUITEST is designed to offer a seamless user experience.

Additionally, the EQUITEST boasts a robust mechanical protection and an input protection fuse, ensuring longevity and durability even in challenging conditions. Opt for either a 110V ±10% or 230V ±10% mains voltage, depending on your specific needs. The EQUITEST connects to its master unit via the C2050 cable and to the mains for power supply, guaranteeing easy setup and usage.

Adhering to numerous guidelines including EMC: IEC/EN61326, IEC/EN60204-1, IEC/EN61010-1, IEC/EN61010-2-030, IEC/EN61326-1, IEC/EN61439-1, and IEC/EN61557-1, the EQUITEST ensures safety and compliance at every step.

Please check the user manual of your HT installation safety tester for compatibility with EQUITEST. Perfectly compatible with the EASYTEST Multifunction tester for electrical installation safety tests, EQUITEST is the ideal choice for professionals seeking precision and efficiency.

Opt for HT Italia EQUITEST Adaptor and experience the harmonious blend of innovation, safety, and practicality.

EQUITEST Features:

• Continuity of protective and equipotential conductors with current >10A AC and open-circuit voltage <24V AC
• LED indications displaying measurement status
• Recognition of Manual and Automatic operating modes
• Input protection fuse EQUITEST is available for mains voltages of either 110V ±10% or 230V ±10%

The post HT Italia EQUITEST Adaptor |- High Precision 10A Continuity Measurement Accessory with Integrated WiFi & HTANALYSIS App Compatibility appeared first on rapid-tech.

Traditionally, insulation meters needed a DC-rated switch-box to short-circuit the positive and negative terminals of the module/string/PV field. With PV-ISOTEST the use of any external device is not required, PV-ISOTEST carries out the measurements in full autonomy and self-sufficiency.

HT Instruments PV-ISOTEST Multifunction Tester for Photovoltaic system – Photovoltaic technology is changing

The design and production of installations increasingly takes into consideration the increase in rated voltage, which allows for the realization of strings up to 30% longer, for a higher generated power and, at the same time, uses a smaller number of components, which allows for the reduction of energy loss (BoS) up to 30%, while improving profitability.

In this way, an increasing number of photovoltaic installations are realized with a rated voltage close to 1500VDC, with a view to obtaining the maximization of all the relevant benefits, while falling, at the regulatory level, in the classification of Low Voltage systems.

Consequently, the probability of a stress on each part of the photovoltaic system generates the need of having suitable and highly performing tools for an accurate and appropriate verification of these new parameters.

This is why HT Italia has created and developed PV ISOTEST, the first and only instrument suitable to carry out, on a photovoltaic system up to 1500VDC, the most important safety checks required by standard IEC/EN62446-1, and to guarantee the quality performance a professional nowadays considers as highly indispensable.

The post HT Instruments PV-ISOTEST Multifunction Tester for Photovoltaic Systems Up to 1,500V DC appeared first on rapid-tech.

Key Features:

• Measuring range: 1mA÷1000A
• Basic accuracy: ± 1.0%reading
• Overvoltage category: CAT III 600V
• Clamp jaw internal diameter: 54mm
• Output connector: Hypertac

Primary rates current: 1A, 100A, 1000A FS

Measuring range: 0.001÷1.2A, 0.1÷120A, 1A ÷ 1200A

Output signal: 1V

Protection: By diodes

Ratio: 1mV/mA – 10mV/A – 1mV/A

Accuracy: 1% and 0,5%

Max error: 2% (of reading)

Internal load: 1A=3kΩ; 100A=15Ω; 1000A=1.5Ω

External min load: 100 times the internal load

Frequency range: 40Hz ÷ 100Hz

Pollution degree: 2 according to IEC 1010-1

Dielectric strength: 5,5KV 50Hz 1min

Temperature range: -10° ÷ +50°C

Overvoltage category: CAT III 600V

“Opening” cable: Diameter 54mm

“Opening” bus bars: 35x35mm or 50x12mm

Dimensions (mm): 105 x 225 x 31mm

Weight: 720g

Power measurement: Take care to keep the conventional direction P1 ⇒ S1 rear of the arrows

Output connection: Shielded cable FM2R 2m long , ended with a FRB D01 connector

The post AC Transducer Clamp Meter 1-100-1000A~ | HT Instruments HT96U appeared first on rapid-tech.

The HT Instruments COMBI521EV is a portable multifunctional electrical tester that can be used for a variety of electrical measurements, including continuity of the protection cable, insulation resistance (with calculation of PI and DAR), overall earth resistance, RCDs type B, A and AC tripping time and current, line / fault impedance with calculation of prospective short circuit / fault current, phase sequence and conformity.

The COMBI521EV is a device that not only allows you to measure environmental parameters like illuminance and temperature, but also leakage current and electric quantities such as voltage, current, power factor, power and harmonics on single-phase systems.

The COMBI521EV provides an innovative AUTO function that allows for easy testing of overall earth resistance, RCD tripping time, and insulation resistance. Simply set the value of RCD current and select the AUTO function to start the test. The device will automatically carry out the tests in sequence, and display all results at the end with simple OK or NOT OK symbols. This makes it easy to determine compliance with standards.

Thanks to its internal memory that allows saving the measures and subsequently transfer them onto the PC through the optical/USB connection. The brand new HTAnalysis App, downloadable for free on iOS and Android systems, enhances COMBI521EV’s capabilities by transferring measured and recorded data onto tablets and smartphones; this way, the operator can customize and share the results of their tests on HTCloud. COMBI521EV is a valuable ally for every technician thanks to its precision, convenience and wide range of applications.

The post HT Instruments COMBI521EV -| Electrical installation safety testing, power quality analysis and EVSE safety testing appeared first on rapid-tech.

The instrument is provided with the innovative AUTO function: by selecting this function and only setting the value of RCD current, EASYTEST carries out tests of overall earth resistance, RCD tripping time and insulation resistance in a sequence. At the end of the test, the device shows all results with the indication of compliance or non-compliance with the standards with simple symbols OK or NOT OK.

The internal memory allows saving the measures and subsequently transfer them onto the PC through the optical/USB connection.

The post Multifunctional Meter for Safety Test on Installations | HT Instruments EASYTEST appeared first on rapid-tech.

The instrument is provided with the innovative AUTO function: by selecting this function and only setting the value of RCD current, COMBI519 carries out tests of overall earth resistance, RCD tripping time and insulation resistance in a sequence. At the end of the test, the device shows all results with the indication of compliance or non-compliance with the standards with simple symbols OK or NOT OK.

The internal memory allows saving the measures and subsequently transfer them onto the PC through the optical/USB connection.

The post Multifunctional Meter for Safety Test on Installations | HT Instruments COMBI519 appeared first on rapid-tech.