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WH-170 GSM SMS Remote Control temperature and humidity Status Monitor Alarm With 2 Relay Output

GSM Temp&Humidity&Power Status Monitoring
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(40000 available)
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  • Description
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The GSM SMS Environment Alarm WH-170 is special for remotely monitoring site temperature, humidity, power status through wireless GSM Network. When the temperature, humidity, power status exceed high threshold or low threshold value, it will send SMS alert or call to 6 preset mobile phone immediately.

It is an automation system. When the temperature, humidity, power alarm and normal, it can link to Realy1 output actions, this is very useful when the temperature exceed appointed value, need switch on the air-conditioning immediately, or when water overflow and need switch on the dryer.

A relay0 with dial-in or SMS remote control. Up to 200 tel. numbers can be authorized for it. Because calls are not answered dial-in control within GSM is free of charge. (it only checks the caller’s number and - if the number is authorized - responds with relay activation.) This can be used for parking latch control, GSM gate opener, remote control machine, etc.

A siren output.when Alarm occurrence,it will output for 30 seconds.

It can report site environment in interval.

Rechargeable Backup Battery ( Optional ) inside can last 6 hours.


Technical specifications

Rated Voltage: DC 9V~24V/1A

Working temperature: -10℃~+60℃

Storage temperature: -20℃~+60℃

Relative humidity: 10-90%, No condensation

Work frequency:

GSM: 850/900/1800/1900MHz

Communication protocol: GSM PHASE 2/2+ (include data service)

Related Voltage of the Output Relay: 3A/240V AC

SIM Card:Nano type, 3V

Antenna: 50 Ω SMA

Wired Switch: Supports

Temp&Humidity sensor:


Humidity:0-99RH%, accuracy: 3%RH

Siren output:output voltage=DC input voltage,current:<1A

Backup Battery:3.7V/1000mAH ( Optional )

Dimension: 96.5*72*59mm

Net Weight:188g



Can be operated from anywhere, no distance limitation.

Up to 200 authorized phone numbers. the 1st ~3rd user numbers can receive SMS,and the 4th ~6th user numbers can receive call while alarm occurrence.1~200 authorized phone numbers can call WH-170 to turn on/off the Relay0 free of charge.

One Temperature & Humidity sensor input, temperature measure range: -40~80°C,accuracy:0.5°C. Humidity measure range: 0-99%RH, accuracy:3%.

External AC/DC Power status monitoring, AC/DC Power On/OFF will send SMS and call to 6 preset mobile phone immediately.

Timer Report—Can setup every x hours automatically send its status/value to 6 preset mobile phone immediately.

Support remotely read historic data via SMS.

An automation system. When the temperature, humidity, power alarm or normal, it can link to Realy1 to action.

A siren output.when Alarm occurrence,it will output for 30 seconds.

Rechargeable Backup Battery inside can last 6 hours.

Secure - Using caller ID and password for identification, unknown callers are ignored.

Programmable by SMS Commands with password protection.

Based on GSM Network, applied to many applications. (temperature, humidity, power status, solar panel, dc voltage).

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