Wireless Dry Contact Sensor

The wireless dry contact sensor can be used to detect contact between two wired contact points. This sensor can be used with an external mechanical switch or a contact plate.

Monnit WIT Wireless Sensor Specifications

900, 868 and 433MHz operating frequencies
250 - 300 ft. non-line-of-sight device range*
Replaceable 3.0V battery
At 1 hour heartbeat setting, coin
cell battery will last ~ 1-2 Years. **
Senses immediate contact between wires.
Can also sense when contact is broken.
Variety of lead lengths available.
User defined thresholds.
Product comes with standard 36in lead.

Note - If customized external leads are needed for
placement, call a sales representative to
customize your order.

* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting
frequency and other variables.

Dry Contact Sensor Specifications

Supply Voltage	2.0 - 3.6 V

Current Consumption	0.5 µA

Operating Temperature	[-85°C to +150°C]



Absolute Maximum Ratings:

Supply Voltage:	[-0.3 to 3.9 V]

Storage Temperature:	[-50°C to +150°C]*

*Core unprogrammed

Need Longer Battery Life?
Monnit WIT2 Sensors provide the same features and benefits of our standard sensors but with the added value of AA batteries. The AA battery option is more robust at a wider temperature range and provides extremely long life for quicker heartbeats.

2 replaceable AA 1.5V batteries.
At 1 hour heartbeat setting, included AA batteries will last more than 4 Years. **
Robust sensor housing.

** Battery life is determined by sensor reporting
frequency and other variables.

The Leader in Low Cost Wireless Sensors

Wireless Dry Contact Sensor