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EXTECH Hygro Thermometer Psychrometer: Onboard, 7 in x 1.9 in x 1 in - Data Logging Temperature & Humidity Meters
EXTECHData Logging Temperature & Humidity Meters

EXTECH Hygro Thermometer Psychrometer: Onboard, 7 in x 1.9 in x 1 in

The EXTECH Hygro Thermometer Psychrometer: Onboard (MPN RH300) is a data logging temperature and humidity meter measuring 7 in x 1.9 in x 1 in, with a temperature range of -4°F to 122°F. This EXTECH-branded…

SKU 3G-OTH-178808

Also listed as: RH 300 · RH-300

Brand
EXTECH
Item
Hygro Thermometer Psychrometer: Onboard, 7 in x 1.9 in x 1 in
Category
Data Logging Temperature & Humidity Meters
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EXTECH
Manufacturer Part Number
RH300
Type
7 in x 1.9 in x 1 in, -4°F to 122°F
Calibration Certificate
Not Included

Technical Documents

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EXTECH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EXTECH Hygro Thermometer Psychrometer: Onboard (MPN RH300) is a data logging temperature and humidity meter measuring 7 in x 1.9 in x 1 in, with a temperature range of -4°F to 122°F. This EXTECH-branded instrument does not include a calibration certificate.

Frequently Asked Questions

What is the EXTECH Hygro Thermometer Psychrometer RH300 used for?

The EXTECH RH300 is a data logging temperature and humidity meter used for measuring ambient conditions in HVAC, industrial, and facility maintenance applications. It logs readings over time to monitor environmental changes in spaces like warehouses, cleanrooms, or server rooms.

What are the specifications of the EXTECH RH300?

The EXTECH RH300 measures 7 in x 1.9 in x 1 in and has a temperature range of -4°F to 122°F. It is a data logging hygrometer thermometer psychrometer. The manufacturer part number is RH300. A calibration certificate is not included with this instrument.

Where to buy the EXTECH RH300 worldwide?

3G Electric supplies the EXTECH RH300 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this data logging temperature and humidity meter for your facility.

How to maintain the EXTECH RH300 for accurate readings?

To maintain accuracy, keep the EXTECH RH300 sensor clean and dry. Store it in a protective case when not in use. Avoid exposing it to extreme temperatures beyond its -4°F to 122°F range. For critical measurements, consider periodic calibration by a qualified lab.

Used in

Common applications for EXTECH
HVAC system diagnostics — EXTECH AN340 vane anemometer for air velocity and humidity measurement
Industrial machinery maintenance — EXTECH 461995 laser tachometer for RPM and surface speed checks
Food and beverage quality testing — EXTECH RF12 analog refractometer for Brix concentration measurement
Refrigerant leak detection — EXTECH RD350 heated diode leak detector for R-513A systems
Environmental monitoring — EXTECH RH490 data logging hygro-thermometer for temperature and humidity logging
Lighting inspection — EXTECH LT300-NIST light meter for illuminance measurement in workspaces

EXTECH Products

3G Electric supplies EXTECH data logging temperature & humidity meters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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