We can't find the internet
Attempting to reconnect
Something went wrong
Hang in there while we get back on track
£100.23
About as cheap as it gets — within 5% of the all-time low it hit 3 months ago.
£100 today · all-time low £97 (Jul 2026) · usually the usual
Extech RH25 Heat Index Psychrometer Pen, WBGT, Dew Point, Wet Bulb
We'll watch every seller, every day. One email when your price arrives.
Price History & Forecast
Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.
Last 42 days · 42 data points (no recent data)
NEW HERE?
Amazon shows you one price. We show you all of them.
Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.
WHAT'S ON THIS PAGE
when this has been cheap or pricey
where the price is heading next
all-time high & low, recent range
name your number, we'll email you
Price Distribution
Price distribution over 42 days • 3 price levels
Price Analysis
Most common price: £109 (21 days, 50.0%)
Price range: £97 - £109
Price levels: 3 different prices over 42 days
Key Features
Heat Index measures how hot it feels when Humidity is combined with temperature, air movement, and radiant heat
Wet Bulb Globe Temperature (WBGT) considers the effects of temperature, humidity, and direct or radiant sunlight
Built-in multiparameter sensor measures Heat Index, WGBT, Humidity, Ambient Temperature, Temperature, Dew Point and Wet Bulb
Package Dimensions: 20.32 L x 2.286 H x 12.7 W (centimeters)
Product Specifications
- Brand
- Extech
- Model
- RH25
- ASIN
- B00DWX75QY
- Domain
- Amazon UK
- Release Date
- 21 August 2015
- Listed Since
- 01 August 2013
Barcode
No barcode data available
Similar Products You Might Like
Extech HT200 Heat Stress WBGT Meter, Audible and Visual Alarm
Extech
Extech HT30 Heat Stress WBGT Meter, In/Out, RS-232, 0-100% RH
Extech
Extech 445703 Big Digit Indoor Humidity and Temperature Meter
Extech
The Stress of Hot Environments: 29 (Monographs of the Physiological Society)
Cambridge University Press
Extech RH350 Dual Input Hygro-Thermometer Psychrometer, 2 Type K
Extech
Extech RH390 Precision Psychrometer - Humidity & Temp Meter
Extech
Extech RHT510 Hygro-Thermometer Psychrometer, Type K, Wet Bulb
Extech
Digi-Sense Precalibrated Humidity and Temperature Indicator
Digi-Sense
Digi-Sense Humidity and Temperature Indicator with External Probe
Digi-Sense
Houdian Digital Mini Thermometer and Hygrometer - 3 Pack
Houdian
Extech RHT30 USB Humidity and Temperature Datalogger
Extech
Extech 445580 Humidity and Temperature Pen, Fast Sensor, Dual LCD
Extech
MCO Home MH7H-EH Smart Thermostat - 230V White
MCO Home
Springer - Sport and Physical Activity in the Heat Book
Springer
Fibaro The Heat Controller, HomeKit Enabled Radiator Thermostat Starter Kit/Thermostatic Head HomeKit
Fibaro
Extech RH101 Humidity Meter and Infrared Thermometer
Extech
3B Scientific U60040 Student Kit, Heat
3B Scientific
Extech RH250W Hygro-Thermometer with ExView App Connectivity
Extech
Urban Overheating: Heat Mitigation and the Impact on Health (Advances in Sustainability Science and Technology)
Springer
Extech 407123 Heavy Duty Hot Wire Anemometer, Air Velocity, Telescoping
Extech
Price unavailable
NIKE Therma Gfx Fz hoodie Children's Hoodie - Blue, S
NIKE
Price unavailable
TFA Dostmann Digital Window Thermometer - Anthracite 30.1025.10
TFA
Houdian Mini Digital Hygrometer and Thermometer - White
Houdian
Price unavailable
ORBEGOZO 4175504 Heater, Do Not Apply
Orbegozo