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  • Manual... 
  • AlertWerks II Water Sensor Manual
    Manual for the EME1W1-015, EME1W1-060, and EME1W1-100 (Version 1)
 

Black Box Explains...Thermocouples

A thermocouple is a device that measures temperature by using the fact that a junction between two different metals produces a varying voltage related to their temperature. Two common types... more/see it nowof thermocouple are Type J and Type K.

Type J thermocouples use iron paired with a nickel-copper alloy. Type J thermocouples may cover a temperature range of up to -40 to +1382° F (-40 to +750°C), and offer high sensitivity.

Type K, the most common type of thermocouple, uses nickel-chromium and nickel-aluminum alloys. Because Type K is an early specification, its characteristics vary widely; individual thermocouples may cover a range of up to -328 to +2462 °F (-200 to +1350 °C). collapse

  • Manual... 
  • AlertWerks Power Monitor Manual
    Manual for EME2PM-R2, EME3PM, EME4PM (Version 2)
 

Product Data Sheets (pdf)...AlertWerks IP Network Camera

  • Manual... 
  • AlertWerks II AC Voltage Sensor Manual
    Manual for the EME1A1-005 and EME1D1-005 (Version 1)
 
  • Manual... 
  • AlertWerks%X99 ServSensor V4EL User Manual
    User Manual for the EME149A-20, EME149A-60, EME149D-20, and EME149D-60 (Version 1)
 
  • Manual... 
  • AlertWerks II Dry-Contact Sensor Manual
    Manual for the EME1K1-015, EME1K1-060, and EME1K1-100 (Version 1)
 
  • Manual... 
  • AlertWerks II Temperature Sensor Manual
    Manual for the EMEDTEMP, EMEDTEMP4, and EMEDTEMP8 (Version 1)
 
  • Manual... 
  • AlertWerks II Security Sensor/Contact Manual
    Manual for the EME1Y1-015, EME1Y1-060, and EME1Y1-100 (Version 1Manual for the EME1Y1-015, EME1Y1-060, and EME1Y1-100)
 

Black Box Explains...Dry contacts.

A dry contact, also called a volt-free contact, is a relay contact that does not supply voltage. The relay energizes or de-energizes when a change to its input has occurred.... more/see it nowIn other words, a dry contact simply detects whether or not an input switch is open or closed.

The dry contacts in the ServSensor Contact provide a simple two-wire interface that can be easily adapted to third-party sensors and devices. Because you define what the open or closed condition means, dry contacts are infinitely adaptable.

Use dry contacts to monitor alarms such as fire alarms, burglar alarms, and alarms on power systems such as UPSs. A very common use for dry contacts is to detect whether a cabinet door is open or closed. collapse

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