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Help CenterNW21D Telecom Battery Monitoring System
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Specifications
Telecom site environment monitoringTelecom site security
AC power and DC power monitoring
Communication function
NW21D environmental monitoring control system control the work of air-conditioner and DC fans based on indoor and outdoor temperature, indoor humidity. Control logic is smart, simple and stable, it can help energy saving. It output a start signal for ventilation system, through relay (free dry contact), and distribute AC 220V for air-conditioner. It output alarm signal when environmental condition has abnormal or equipment has failure.
Main functions:
Program |
every work temp. can be programmed |
Display |
LED display temperature, humidity and alarm codes |
Control |
control the work of air-conditioner and DC fan based on indoor, outdoor temperature and indoor humidity. |
Monitor |
temperature, humidity, fire, flood, door, DC fan failure, air-con. failure, AC power off, battery voltage. |
Alarm |
6 relays output alarm signal upload alarm information via communication LED display alarm code |
Communication |
supply monitor software (installed in PC), use RS485/RS232 interfac |
Technical Parameters:
Technical parameter: | |
Input voltage |
AC 220V 50Hz, DC 48V |
Display |
LED |
Work ambient temperature |
-25°C~+55°C |
Work ambient humidity |
5%~95%RH |
Temperature detect |
2 x NTC 103AT, detect range: -30°C ~ 70°C accuracy: ± 2°C, resolution: 1°C compensation value can be programmed |
Humidity detect |
1 channel, detect range: 5% ~ 95% accuracy: ± 5%, resolution: 1% compensation value can be programmed |
Output relay |
6 pcs |
AC power protect |
Overload, short circuit |
Following sensors included:
Type |
Name |
Qty |
Note |
WD3 |
Temperature sensor |
1 |
Accessories, fixed outside |
WS2 |
Hygrothermograph sensor |
1 |
Accessories, fixed inside |
SS-168P |
Smog sensor |
1 |
Accessories, fixed inside |
HO-03 |
Intrusion sensor |
1 |
Accessories, fixed on the door |
TT |
Immersion sensor probe |
1 |
Accessories, put it on the floor |
DD5 |
AC power off sensor |
1 |
Fixed in the box |
IA5 |
Current sensor |
1-2 |
Fixed in the box |
|
DC voltage sensor |
1 |
Integrated in the controller |
Hangzhou Xinjian Electronic Co., LTD. is an ISO9001 certified manufacturer, and also is a hi-tech company. It has been specialized in designing and producing industrial control solution since 1997. All products are designed and made for the global market, and we’ve offered OEM/ODM service to world-class brands. We have been highly recognized not only for its good quality but also excellent after-sales services both in domestic and international market .
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