Temperature/Light Sensor


45.90 €

incl. 19% VAT
plus Shipping

Can ship immediately
Product No.: 72332
Special offer! Not recommended for new designs.

The EDS Temperature/Light Sensor, OW-ENV-TL, offers an innovative way to easily monitor and control temperature and light in indoor environments. The wall mount sensor features a high accuracy temperature sensor; as well as a light sensor, an LED, conditional search support, and a pass-through 1-Wire connection. Together these features offer an efficient and flexible system for monitoring the temperature and light levels at one or more locations within a building.

The sensor was specifically designed for easy communications. Any general purpose 1-Wire host adapter should be capable of reading data from the sensor.

The conditional search support allows the 1-Wire host adapter to quickly identify the alarm status for numerous parameters; and the LED and optional latching relay can be configured to behave in a variety of ways, including:

  • Activate when an alarm parameter is met and deactivate when the alarm byte is cleared
  • Activate when an alarm parameter is met and deactivate when readings return to normal range
  • Controlled independent of alarm status

The LED and optional relay response times are extremely fast; the sensors are able to respond appropriately (activate fan/alarm siren/etc) even before the monitoring application is aware an alarm has been triggered. Since, the EDS Temperature/Light Sensor's alarm functions can operate independently of the 1-Wire host adapter the sensor can be used as a standalone Thermostat.


  • Uses 1-Wire communication protocol
  • Globally unique 64-Bit serial number
  • Updates temperature data every 2 seconds
  • Updates light readings every 250 milliseconds
  • Supports Conditional Search command, with user-definable conditions
  • Compatible with all general purpose 1-Wire host adapters
  • Pass-through connector for easy daisy-chaining of sensors
  • Optional Latching Relay may be controlled independently or change due to alarm status
  • LED may be controlled independently or change due to alarm status
  • Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system

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1-Wire ConnectionScrew-Down
Latching RelayNo
Operating Temperature Range-40 to 85°C
Temperature Accuracy -40 to +125°C±1°C[NL]±0.25°C typical
Temperature Accuracy at 25°C±0.2°C
Temperature Resolution0.0625°C
Light Measurement Range0-65535 Lux
Light Sensitivity-20 to +20%
Supply Voltage4-18 Volts DC
Active Current7.5 mA
Enclosure Dimensions (LxWxH)80x80x21mm

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