Extech RH550 Specifications

RH550 Humidity/Temperature

Chart Recorder with Touch-Screen

Simultaneously datalog and monitor Relative Humidity,
Temperature, and calculated Dew Point on Extech’s RH550
Chart Recorder with large 7" (178 mm) programmable
touch-screen. Features live or user scheduled recording
time and programmable Min/Max alarm set points. Built-in
stand for desktop or use the included bracket for wall
mount. Includes field-replaceable probe that can be
attached on the monitor or on a ~6.5 ft (2 m) cable.

Places to monitor Humidity/Temperature/Dew Point:

- Buildings and conference rooms

- Laboratory, pharmaceutical, cleanrooms, hospitals

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 ~6.5 ft (2 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,

detachable probe (RH550-P), probe cable (RH550-C),

USB cable, Universal adaptor with multi-plugs (US, EU,

UK, AU), and internal rechargeable Lithium Polymer

battery

See next page for product specifications and ordering information

- Hydroponics and green houses

- Food storage facilities, refrigeration

PRODUCT DATASHEETPRODUCT DATASHEET

Imagery for illustration purposes only. Specifications subject to change without notice.
Copyright © 2019-2020 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form. Rev. 1/10/20

RH550 UPC Code: 793950425510
RH550-P UPC Code: 793950425534
RH550-C UPC Code: 793950425527

www.extech.com

Specifications

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

Weight

Range Max Resolution Basic Accuracy

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

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)

Ordering

RH550 .............. Humidity/Temperature Chart Recorder with Touch-screen

RH550-P ........... Humidity/Temperature Probe for RH550

RH550-C ........... Extension Cable for RH550-P

(Note: Connect up to three RH550-C cables serially to the RH550 without sacrificing accuracy)

RH550-C

Extension Cable for RH550-P

RH550-P

Humidity/Temperature Probe

Specifications subject to change without notice. Copyright © 2019-2020 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.

www.extech.com