We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
EXTECH RH250W Ambient Temp/Relative Humidity Meter - Standard Temperature & Humidity Meters
EXTECHStandard Temperature & Humidity Meters

EXTECH RH250W Ambient Temp/Relative Humidity Meter

The EXTECH Hygro Thermometer: Onboard (MPN RH250W) is a standard temperature and humidity meter measuring 5.91 in x 2.11 in x 1.11 in. It monitors ambient temperature and relative humidity. The unit does not include…

SKU 3G-OTH-187795

Brand
EXTECH
Item
RH250W Ambient Temp/Relative Humidity Meter
Part Number
RH250W
Category
Standard Temperature & Humidity Meters
Available to Order
Also known as:RH250WEXTECH
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
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
RH250W
Type
Ambient Temp/Relative Humidity, 5.91 in x 2.11 in x 1.11 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The EXTECH Hygro Thermometer: Onboard (MPN RH250W) is a standard temperature and humidity meter measuring 5.91 in x 2.11 in x 1.11 in. It monitors ambient temperature and relative humidity. The unit does not include a calibration certificate.

Frequently Asked Questions

What is the EXTECH Hygro Thermometer RH250W used for?

The EXTECH RH250W Hygro Thermometer monitors ambient temperature and relative humidity in indoor environments. It is commonly used in HVAC, facility management, and storage areas to verify climate conditions. The compact 5.91 x 2.11 x 1.11 inch design makes it suitable for benchtop or wall-mounted use.

What are the specifications of the EXTECH RH250W?

The EXTECH RH250W measures ambient temperature and relative humidity. Its dimensions are 5.91 x 2.11 x 1.11 inches. The unit does not include a calibration certificate. It is a standard temperature and humidity meter from EXTECH, suitable for general monitoring applications.

Where to buy the EXTECH RH250W worldwide?

3G Electric supplies the EXTECH RH250W Hygro Thermometer worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this EXTECH meter to any country.

How to maintain the EXTECH RH250W hygro thermometer?

Keep the EXTECH RH250W clean and dry. Wipe the exterior with a soft, dry cloth. Avoid exposing the sensor to condensation or direct sunlight. For accurate readings, periodically verify against a known reference. The unit does not include a calibration certificate, so arrange external calibration if required.

Used in

Common applications for EXTECH
Electrical maintenance — EXTECH VT30 voltage and continuity tester for verifying AC/DC circuits up to 690 V.
Industrial inspection — EXTECH HDV700 Series borescope with articulating camera probe for visual checks inside pipes and ducts.
HVAC troubleshooting — EXTECH EX505A-K digital multimeter kit for measuring voltage, current, and resistance in rooftop units.
Water treatment — EXTECH pH 4.00 and pH 7.00 buffers for calibrating pH meters used in process water monitoring.
Plumbing diagnostics — EXTECH HDV7C-P28-30 plumbing camera probe with 98 3/8 ft shaft for inspecting long runs of pipe.
Laboratory calibration — EXTECH pH buffer tablets (PH7-P) for preparing fresh calibration solutions in lab environments.
Not sure this is the right part? Photo-identify it

EXTECH Products

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from EXTECH

View all EXTECH parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first