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Light, UV and temperature transmitters

Light and UV (connectors included)
GD72E The GD72E transmitter is designed for users who need to monitor temperature, humidity and visible light or visible and ultra violet light. As all sensors are on leads, the combination is ideal for all environments and in particular display cases, so that only the light sensor and tip (top 10mm) of the RHT10E probe need be visible.

The LS50 light only module, LS70 light/UV module, and the RHT10E must be ordered separately.

with LS50

with LS70

Light, UV, RH and temp
GL-70 Built-in Littlemore Scientific light sensor (Visible and UV), RH and temperature GL-70

Common Specification

RF specification: EN300-220
RF power: 10mW
Environment specification  
  Compliant to EN300-220: -10 to +55°C
  Actual: -30 to +65°C
  Humidity: 100% non condensing
Environmental rating: IP40
Dimensions (footprint): 78 x 41mm
Battery endurance: up to 5 years (interval set to 5 minutes) (less for GL-70 and GS40 series)
Transmission interval range: 1 sec to 4 hours
Indicator (red LED): transmit active/on/off
Control switch (concealed): test mode / hibernate
Antenna socket: SMA

Transmitter Specification

Model(s) Sensors Range Resolution Accuracy
GL-70 built-in temperature

built-in RH
-30 to 65°C


±0.4°C (+5 to +40°C)
±1.0°C (-20 to +65°C)
±1.5°C (-30°C)
±2% (10 to 90%RH)
±4% (0 to 100%RH)
1 x visible light 0-4,000 Lux
0-200 KLux
1 x UV light 0-5000 mW/m²
0-10,000 µW/Lumen
GD72E external RH (RHT10E)

external temperature (RHT10E)

-40 to +120°C

±2% (10 to 90%RH)
±4% (0 to 100%RH)
±0.4°C (+5 to +40°C)
±1.0°C (-20 to +80°C)
  1 x visible light (LS50 and LS70) as GL-70
  1 x UV light (LS70 only) as GL-70

LS50 light puck

Dimensions: 33mm diameter x 8 mm height
Lead length: 2m


Dimensions: 73 x 50 x 30mm.
Lead length: 2m

Common to all transmitters
Gen II Quick Start Instructions

Specific to this family of transmitters
GD72E Leaflet

User Instructions
LS50 connections with GenII transmitters
LS70 connections with GenII transmitters