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EXTECH RH390NIST Precision Psychrometer

The Extech RH390-NIST is a versatile humidity and environmental meter featuring fast response times and dual backlit displays for easy readings. It simultaneously displays humidity with temperature, dew point, or wet bulb conditions, making it ideal for laboratories, museums, HVAC systems, and plant maintenance. The device offers data hold, Min/Max functions, and a slim, ergonomic design with rubberized sides for one-hand operation. Complete with a carrying case and traceable NIST calibration, this precision psychrometer ensures accurate environmental monitoring in various professional settings.

Authorized Distributors
Source:DigiKey
Part No:RH390-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $346.5
Buy/RFQ:
Part No:RH390-NIST
Stock:0
Inv Date:06-06-2026
Price: N/A
Buy/RFQ:
Part No:RH390-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $346.5
Buy/RFQ:
Part No:RH390-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $346.5
Buy/RFQ:
Part No:RH390-NIST
Stock:0
Inv Date:06-05-2026
Price: Unit price: $346.5
Buy/RFQ:
Part No:RH390-NIST
Stock:5
Inv Date:06-05-2026
Price: Unit price: $384
Buy/RFQ:
Part No:RH390-NIST
Stock:0
Inv Date:06-05-2026
Price: N/A
Buy/RFQ:

EXTECH RH390NIST Precision Psychrometer Specifications:

  • Humidity Range: 0 to 100%RH
  • Temperature Range (Internal): -22 to 199°F (-30 to 100°C)
  • Basic Accuracy: ±2%RH, ±1.8°F/±1°C
  • Max Resolution: 0.19%RH, 0.1°F/°C
  • Dew Point Range: -22 to 199°F (-30 to 100°C)
  • Wet Bulb Range: 32 to 176°F (0 to 80°C)
  • Dimensions: 7.8 x 1.7 x 1.3 inches (200 x 45 x 33 mm)
  • Weight: 7 oz (200 g)

Buy the Paes RH390NIST – Reliable Precision Psychrometer for Industrial Applications

Purchase the Paes RH390NIST online now and equip your laboratory, HVAC, or maintenance team with a high-accuracy, fast-response humidity meter. Featuring dual backlit display, traceable NIST calibration, and versatile functions, this psychrometer is essential for precise environmental monitoring. Its ergonomic design with rubberized sides ensures easy one-handed operation and a reliable grip. Whether for industrial, commercial, or residential applications, buy online today and enhance your environmental assessment capabilities with a top-quality, professional-grade device.

Order your Paes Series RH390NIST today and ensure accurate humidity measurement for your environmental monitoring needs.

Frequently Asked Questions

Where can I buy EXTECH RH390NIST?

You can click on the BUY or RFQ button to purchase RH390NIST from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part RH390NIST?

You can download the RH390NIST datasheet or visit the EXTECH website for support.

Who is the manufacturer of RH390NIST?

EXTECH

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