1-Wire humidity and temperature sensor TSH202v2


Model TSH202v2

Short Description

The TSH202v2 is a 1-Wire humidity and temperature sensor. It provides a low-cost option for humidity and temperature monitoring. The sensor communicates over a 1-Wire bus. Each sensor has a unique 64-bit serial code, which allows multiple sensors to be connected on the same 1-Wire bus.

The TSH202v2 integrates basic elements plus signal processing and provides a fully calibrated digital output.

A unique capacitive element is used for humidity sensor. The temperature is measured by a band gap sensor. Both sensors are seamlessly coupled to a 12-bit analog to digital converter. This results in superior signal quality and fast response time

The sensor can be used with

* Ethernet IO module TCW241
* Ethernet data logger TCW220
* Remote IO module TCW122B-CM
* GSM-GPRS remote monitoring controller TCG120
* IP watchdog monitoring module TCW122B-WDv
* Remote environmental monitoring module TCW112-CM
* IP watchdog relay board TCW112-WD


* 3.0% relative humidity accuracy.
* 12-bit resolution for humidity measurements;
* 14-bit resolution for temperature measurements.
* Fully calibrated digital output;
* Excellent long-term stability;
* A unique 64-bit serial number for multi-sensor systems.

Technical Parameters

Operating Range 0 to 100 %RH -40 to +85 C
Accuracy 3.0 %RH 0.4 C
Resolution 0.05 %RH 0.01 C
Long-term drift <0.5 %RH/yr <0.04 C/yr
Interface 1-wire
Cable/length LIYY/1m

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  • Model: TSH202v2
  • Shipping Weight: 1lbs
  • Manufactured by: Teracom