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EXTECH RH550 Humidity Temperature Recorder

The Extech RH550 is a versatile humidity and temperature recorder featuring a large 7-inch high-resolution color TFT LCD with zoom, touch-screen menu, and screen capture. It displays simultaneous readings of humidity, temperature, and dew point with real-time clock, and has an internal 16 GB memory to store up to 20,000 data points in CSV format, transferable via USB. Users can select sampling rates from 1 second to 24 hours, set alarms, view recorded data, and track Min/Max values. Its field-replaceable probe clips or extends with cables up to 6.5 ft, suitable for labs, hospitals, greenhouses, and food storage, and can be wall or desktop mounted.

Authorized Distributors
Source:DigiKey
Part No:RH550
Stock:11
Inv Date:06-06-2026
Price: Unit price: $599
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Part No:RH550
Stock:35
Inv Date:06-06-2026
Price: Unit price: $599
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Part No:RH550
Stock:3
Inv Date:06-06-2026
Price: Unit price: $599
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Part No:RH550
Stock:0
Inv Date:06-06-2026
Price: Unit price: $599
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Source:TRANSCAT
Part No:RH550
Stock:2
Inv Date:06-01-2026
Price: N/A
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Part No:RH550
Stock:7
Inv Date:06-05-2026
Price: Unit price: $599
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Part No:RH550
Stock:0
Inv Date:06-05-2026
Price: Unit price: $599
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Part No:RH550
Stock:0
Inv Date:06-05-2026
Price: Unit price: $669
Buy/RFQ:
Part No:RH550
Stock:8
Inv Date:06-05-2026
Price: N/A
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EXTECH RH550 Humidity Temperature Recorder Specifications:

  • Display: 7-inch high-resolution color TFT LCD (1024 x 600 pixels)
  • Memory: 16 GB internal storage for 20,000 data points in CSV format
  • Sampling Rate: 1 second to 24 hours
  • Relative Humidity Range: 10% to 95% RH with 0.1% resolution
  • Temperature Range (sensor attached): 14 to 104°F (-10 to 40°C) with +0.9°F accuracy
  • Temperature Range (cable sensor): -4 to 176°F (-20 to 80°C) with +0.9°F accuracy
  • Dew Point Range: -4 to 176°F (-20 to 80°C)
  • Dimensions (Tablet): 7.8 x 4.6 x 1 inches (198 x 118 x 25.7 mm)
  • Probe: RH550-P, 3.1 x 0.6 x 0.4 inches (79 x 15.8 x 10 mm), weight 0.4 oz
  • Cable Length: ~6.5 ft (197 cm), extendable up to 8 cables connected serially
  • Weight (tablet): 12.9 oz (365 g); with probe and cable: 15.0 oz (425 g)
  • Power: Internal rechargeable Lithium Polymer battery
  • Mounting: Desktop stand or wall bracket included, suitable for laboratory, hospital, greenhouse, and refrigeration environments

Buy the Extech Series RH550 Humidity Temperature Recorder: RH550

Order the Extech RH550 online today to enjoy precise humidity and temperature monitoring with a large color touchscreen, extensive data storage, and flexible probe extension. Ideal for laboratories, greenhouses, hospitals, and food storage facilities, this recorder provides real-time digital and graphical data, customizable alarms, and easy data transfer via USB. Its durable design includes a field-replaceable probe, wall or desktop mounting options, and long-lasting rechargeable power, ensuring reliable performance in critical environmental applications.

Buy Extech RH550 humidity and temperature recorder now and experience reliable data logging, high-resolution display, and versatile environmental monitoring.

Frequently Asked Questions

Where can I buy EXTECH RH550?

You can click on the BUY or RFQ button to purchase RH550 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part RH550?

You can download the RH550 datasheet or visit the EXTECH website for support.

Who is the manufacturer of RH550?

EXTECH

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