EXTECH RH550 Thermohygragraph

EXTECH RH550 Humidity/Temperature Chart Recorder with Touch Screen

The Extech RH550 can datalog relative humidity, temperature, and calculate dew point on interactive, 7-inch (178 mm) color screen

It features live or user-scheduled recording time and programmable Min/Max alarm set points.

A built-in stand is included for desktop use, as well as a bracket for wall-mounting. The RH550 also features a field-replaceable probe that can be attached to the monitor or on a 1.8 m) cable.

This recorder is useful in office buildings, conference rooms, labs, hospitals, cleanrooms, greenhouses, food storage facilities, and more.

    Extech RH550 Datasheet

    Extech RH550 User Manual

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    EXTECH RH550 Humidity/Temperature Chart Recorder

    Simultaneously datalog and monitor relative humidity, temperature, and calculated dew point on the Extech RH550. It features live or user-scheduled recording time and programmable Min/Max alarm set points. A built-in stand is included for desktop use, as well as a bracket for wall-mounting. The RH550 also features a field-replaceable probe that can be attached to the monitor or on a 6 ft (1.8 m) cable. This recorder is useful in office buildings, conference rooms, labs, hospitals, cleanrooms, greenhouses, food storage facilities, and more.

    EXTECH RH550 Features:

    • Large 7″ (178 mm) high-resolution color TFT LCD (1024 x 600 pixels) with display zoom feature, interactive touch screen menu, and screen capture capability with finger swipe
    • Simultaneous numerical and graphical display of real-time Humidity, Temperature and Dew Point readings, plus Time and Date in Live Mode
    • Internal 16 GB memory for capturing up to 20,000 data points in CSV format that can be transferred to a computer via USB port
    • User selectable 1 second to 24 hour sampling rate
    • Audible and visual alarm with Hi/Low set points
    • View recorded alarm values by date sorting or by temperature and humidity values
    • Memory progress bar indicates used memory and percentage of free memory remaining
    • Recall saved data files using History Mode
    • MIN/MAX records minimum and maximum values for all 3 units of measure
    • Field-replaceable probe does not require recalibration
    • Probe can either be clipped directly onto the tablet or attached to a cable to extend up to ~6 ft (1.8 m) for measurements in closed environments
    • Up to 3 probe cables (RH550-C) can be connected together (one is included)
    • Desktop or wall mount
    • Complete with built-in stand, wall mount bracket, RH550-P detachable probe, RH550-C probe cable (6 ft /1.8 m), USB cable, universal adaptor with multiplugs (US, EU, UK, AU), and internal rechargeable battery

    EXTECH RH550 Specifications:

    Specifications Range Max Resolution Basic Accuracy
    Relative Humidity 10% to 95% RH 0.1% RH ±2.5% RH
    Temperature (sensor directly attached to tablet) 14 to 104°F (-10 to 40°C) 0.1° ±0.9°F (±0.5°C)
    Temperature (sensor attached to cable) -4 to 176°F (-20 to 80°C) 0.1° ±0.9°F (±0.5°C)
    Dew point (calculated) -4 to 176°F (-20 to 80°C) 0.1°
    Internal Memory Storage 16 GB
    Sample Rate 1 sec to 24 hrs
    Extension Cable Connect up to 3 cables (RH550-C)
    Dimensions Tablet: 7.8 x 4.6 x 1″ (198 x 118 x 25.7 mm)
    Viewable Screen: 7″ (178 mm)
    RH550-P probe: 3.1 x 0.6 x 0.4″ (79 °— 15.8 °— 10 mm)
    RH550-C cable: ~6.5 ft (197 cm) cable length; ~6.9 ft (210 cm) cable length and two end connectors
    Weight Tablet: 12.9 oz (365 g)
    Tablet with probe and cable: 15 oz (425 g)
    RH550-P probe: 0.4 oz (11.3 g)
    RH550-C cable: 1.7 oz (47 g)

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