The digital manometer measures gauge and differential pressure accurately and in 11 different units of measurement. The R3100 has a backlit LCD display and internal memory for capturing maximum and minimum measurements.

Features

• Measures gauge and differential pressure up to 100 psi
• 11 selectable units of measure: psi, inH2O, bar, mbar, kPa, inHg, mmHg, ozin², ftH2O, cmH2O, kgcm²
• Displays pressure and real-time clock simultaneously
• Easy-to-read backlit LCD display
• Internal memory saves Max and Min measurements
• Data hold function
• Low battery indicator and auto shut off

Ideal Applications for the REED R3100

• Troubleshoot heating ventilation and air conditioning (HVAC) systems and a variety of low-pressure pneumatic or gas systems
• Pressure transmitter calibration for process instrumentation
• Detect blockages in filters, condensers and chillers (water filter steam power plant)
• Testing of pressure switches and other relief devices
• Calibrating pressure transmitters
• Calibrating pressure recorders

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CEM DT-8920 Features:

• Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature
• ±0.7252psi range
• 5 selectable units of pressure measurement
• Large Backlit LCD Display
• Easy to Calculate the area of a rectangular or circular duct
• Max/Min/Avg. recording and Relative time stamp
• Data Hold and Auto power off functions
• Large LCD display with backlight
• Zero function for offset correction for measurement
• Store/Recall up to 99 readings in each mode
• USB port, includes software
• Conforms to CE, EMC, EN: 61326

CEM DT-8920 Specifications

Manometer

Air Velocity

Air Flow

Temperature

 Included with CEM DT-8920

• Pitot tube
• Connection Hose
• Software
• USB Interface Cable
• Battery
• Hard Carrying Case
• Instruction Manual
• Test Certificate

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The dual push pads on the front panel control the on/off, auto zero, and pressure unit selection, allowing for simple operation with no set up needed.

When used with a Dwyer® Pitot tube, the Series 475 can also be used as an air velocity gage.

Dwyer Series 475 Features

• Rugged aluminum case protects instrument from damage during transport/use
• Large, easy to read LCD and simple operation
• FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70°C

Dwyer Series 475 Applications

• Monitoring natural gas pressures on boilers and other combustion equipment
• Air velocity monitoring, when used with a Dwyer® Pitot tube and AV calculator
• Field calibration of other instruments
• Monitoring or troubleshooting HVAC systems

Dwyer Series 475 Specification

Dwyer Series 475 Ordering Information

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A memory function allows storage of up to 40 readings for later recall and a backlight provides auxiliary lighting for hard-to-see locations. Standard are a hold feature and both visual and audible overpressure alarms.

A new feature added to the Series 490A is a field adjustable damping, independent viewable high/low pressure readings, and low range increased resolution. This allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications.

A 9V alkaline battery is included that provides up to 100 hours of operation.

Features

• Seven user-selectable English and metric units
• Stores up to 40 readings for later recall
• Backlight for use in dim areas
• Digital dampening for low pressure – high resolution logging accuracy
• Automatic resolution adjustment for finer control

Dwyer Series 490A Specifications

Pressure & Resolution Specifications

Series 490A Models Available

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Ideal Applications for the REED R3030 Digital Manometer:

• Troubleshoot heating ventilation and air conditioning (HVAC) systems and a variety of low-pressure pneumatic or gas systems
• Pressure transmitter calibration for process instrumentation
• Detect blockages in filters, condensers and chillers (water filter steam power plant)
• Testing of pressure switches and other relief devices
• Calibrating pressure transmitters
• Calibrating pressure recorders

 included with the REED R3030

• Digital Manometer
• 2 Connection Hoses
• Battery
• Hard Carrying Case

REED R3030 Digital Manometer Specifications:

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Various pressure instruments such as pressure sensors, industrial transmitters, and pressure switches, as well as sphygmomanometers and other medical devices face severe price competition and demands for improved accuracy.

The Yokogawa MC100 Pneumatic Pressure Standard meets your many requirements with these features:

• High accuracy ±(0.05% of full scale)
• Excellent stability provided by silicon resonant sensor
• Low temperature coefficient Zero point: ±0.003% of full scale/°C Span: ±0.002% of full scale/°C
• Divided output function with as many as 20 steps
• Auto-step output function
• Sweep output function
• Offset monitor function to present deviation from final value

Silicon resonant sensor

• High sensitivity and resolution and superior long-term stability
  The vibrators are in a vacuum. This reduces the dispersion of vibration energy. Combined with the superior flexibility of monocrystal silicon, this makes it possible to obtain a high Q value.
• Extremely low temperature dependence
  Two vibrators are used, and pressure is derived from the difference between the two unique oscillation counts. With this operating structure, it is possible to cancel out external environment influences such as ambient temperature. In addition, the oscillators are in a vacuum, so they are not affected by ambient temperature or humidity.

Yokogawa MC100 Front Panel

Yokogawa MC100 Rear Panel

Calibration System

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Included with the Extech HD780 are heavy duty connection hoses, Type K Temperature Clamp Probe and a bead wire Temperature Probe to satisfy a range of application standards.

Extech HD780 Features:

• Simultaneously measures suction or liquid line pressure and line temperature
• Calculates and displays superheat and sub cooling for A/C units
• Dual inputs measuring differential pressure (P1-P2) and Type K temperature (T1-T2)
• Dual Type K inputs with electronic offset adjustment to compensate for thermocouple differences
• Large backlit LCD displays P1, P2, P1-P2, T1, T2, T1-T2, ambient temperature, plus Min/Max/Avg
• Displays 5 types of pressure units
• For use with R22 and R410A refrigerants
• Data hold plus auto power off
• Standard 1/4 NPT male flare fittings

Extech HD780 Specifications:

What’s included with the Extech HD780:

• Digital Manifold/Pressure Gauge
• Two Heavy-duty Pressure Hoses
• Two Type K Temperature Clamp Probes
• Two General-purpose Type K Bead Wire Temperature Probes
• Protective Rubber Holster
• Hard Carrying Case
• Universal AC Adaptor with Plugs (US, EU, UK, AUS)
• 9V Battery

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Three models in the Extech PS100 series offer ranges for various applications: 1psi, 6psi, 15psi. Each model displays readings in 11 units with high resolution.
Extech PS106 Differential Pressure Manometer Applications:
– HVAC: Pressure drop at filters and pressure loss in ducts
– Testing pneumatic controls and pressurized equipment in manufacturing
– Clean rooms and medical equipment
– Testing and adjusting regulators
– Positive pressure testing in clean rooms & operating rooms
– Boiler installation and gas furnace pressure switch testing

Extech PS106 Differential Pressure Manometer Features

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Three models offer ranges for various applications: 1psi, 6psi, 15psi. Each model displays readings in 11 units with high resolution.
Applications:
– HVAC: Pressure drop at filters and pressure loss in ducts
– Testing pneumatic controls and pressurized equipment in manufacturing
– Clean rooms and medical equipment
– Testing and adjusting regulators
– Positive pressure testing in clean rooms & operating rooms
– Boiler installation and gas furnace pressure switch testing

Extech PS101 Differential Pressure Manometer (1psi) Features:

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Extech PS115 Differential Pressure Manometer (15psi) Features

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