Hanwell ML4109

The ML4109 is a wireless outdoor temperature sensor with humidity monitoring using onboard sensors monitoring between -40°C to +60°C and 100%RH. This reliable transmitter is used with the Hanwell wireless system for 24/7 monitoring and alarm notifications.

Part of the Hanwell ML4000RHT Series, the ML4109 outdoor RH/T radio transmitter provides high accuracy using EE07 probe.

Temperature ranges between -40°C to +60°C.

Radio transmitter code: ML4109-OD-434.075
(other frequencies are available)

Dimensions 150 x 88 x 50mm
Weight 485 grams
Power Supply 3.6 Volt AA Lithium battery
Case Material ABS & PC
Memory Capacity 100,000 readings
Data logger code ML4109-OD
Internal Temp. probe EE07 probe (11.8mm x 83mm)
Range -20°C to +60°C
Accuracy ±0.1°C between -10°C to +40°C ±0.3°C Outside these extremes
Display resolution 0.1°C
External Temp. probe Pt1000 (tolerance class A)
Range -40°C to +60°C
Accuracy ±0.1°C at 20°C
Resolution 0.1°C
Humidity probes Capacitive Polymer
Recommended range 0-100% RH non-condensing
Accuracy ±2% (0-90%) ±3% (90-100%)
Temp. dependance < (0.025 + 0.0003 x RH) %RH/°C

Frequency Options: A range of frequencies are available between 433-458MHz. Country specific regulations apply.

Radio Power: 10mW

Radio Range: 3km over open ground

Battery Life: Up to 18 months