Part of the Hanwell ProRL4000RHT Series, the RL4111 and RL4112 RH/T radio transmitters use high accuracy RH/T probes.

Instrument measuring range:

RL4111 – Range -40°C to +60°C
RL4112 – Range -50°C to +100°C

0-100% RH

Probes are available separately – see below for compatible probes

Accurate wireless RHT logger

Part of the Hanwell ProRL4000RHT Series, the RL4111 and RL4112 are accurate wireless RHT loggers for precise temperature and humidity measurement. These reliable transmitters are used with our renownedHanwell Protemperature humidity monitoring system for 24/7 data and instant alarm notifications.Contact ustoday for your free quotation and signal strength test (we can prove ours to be unrivalled) or to discuss your specific temperature monitoring requirements and application.

Sensor Options

RL4111 – Range -40°C to +60°C
RL4112 – Range -50°C to +100°C

Features

✓ Combined temperature & humidity measurement
✓ LCD display with 50,000 data readings per channel & up to 2 years battery life
✓ Superior performance hardware & high accuracy sensors
✓ Easily accessible battery & USB socket
✓ Low power radio for long distance transmission (3km over open ground)
✓ Complies with RoHS, EU & WEEE directives
✓ Carries CE Marking