Ridgid HM-100 Micro Humidity & Temperature Meter 37438
14-day returns on all eligible orders
Contact us within 14 days of receiving your order to request a return.
Shipping information
Orders are picked, packed and dispatched from our Northampton warehouse.
- Free delivery to mainland UK addresses on orders of £40 or more.
- Orders under £40, and orders to Northern Ireland, have a delivery charge, shown at checkout before you pay.
- You will get an email with your tracking number once your order has shipped.
Full details are in our Shipping Policy.
Returns & warranty
Changed your mind? You can return an online order within 14 days of receiving it. Please contact us first for return instructions, then you have 14 days to send the goods back.
- Items must be unused, complete and in their original condition, with all accessories, instructions and original packaging.
- You arrange and pay for the return postage on change-of-mind returns. We refund the price of the item plus our standard delivery charge.
- Damaged in transit? Let us know within 48 hours of delivery - photos help.
- Faulty or wrong item? Contact us before sending anything back. Faulty goods are covered by your statutory rights.
Your statutory rights are not affected. Full details are in our Refund Policy, or email onlinesales@nn4online.co.uk.
The Ridgid HM-100 Micro Humidity and Temperature Meter is a professional and easy to use device for accurately measuring air humidity and temperature. Both measured values (%RH and °C or °F) are instantly and simultaneously displayed on the dual backlit LCD.
The HM-100 also automatically calculates the Dew Point and Wet Bulb temperature, while its Capacitance Sensor easily withstands the effects of condensation and high temperatures, making it perfectly suitable for any HVAC environment.
Supplied with a soft carrying case, and 9V battery.
Specifications-
Power Source: 9V Battery (included)
Display: 4½ Dual Backlit LCD
Measurements: Humidity, Temperature, Dew Point, Wet-Bulb
Humidity Range: 0% to 100% RH
Humidity Accuracy: ± 2% RH
Temp. Range: -30°C – 100°C
Temp. Accuracy: ± 0.5 °C
Response Time: 30 Seconds
Sensor Type: Capacitance
Data Hold: Yes
MAX/MIN Values: Yes
Auto Power-Off: Yes, After 15 Minutes (can be disabled)