Overheating and shutdown faults in the computer room are generally caused by short circuits, overloads, and excessive contact resistance. The overheating caused by the electrical equipment in the computer room, such as computers and air conditioners, generates heat and the air conditioner fails to cool down. The electronic product heats up quickly, and the temperature of the equipment room rises beyond the normal temperature of the equipment in a short time. At this time, the temperature alarm will play its due function.
Temperature alarm, expandable interface to connect smoke alarm, power failure alarm, door magnetic alarm, infrared wireless detector, etc.
Temperature measurement module: BHY3-WD-600 temperature monitoring meter has eight-channel temperature acquisition, cycle display, high and low temperature alarm, two-channel smoke input, water leakage alarm access control switch and PC communication function, the output of the instrument can be connected with sound and light alarm, SMS alarm, Telephone voice alarm and wireless alarm realize wireless control, the instrument adopts digital temperature sensor, temperature measurement accuracy: ± 0.5 ℃, temperature monitoring range: -55 ℃ ～ + 125 ℃, temperature resolution: 0.0625 ℃. The software uses the latest international CRC check to reduce the error rate of reading temperature data to zero, thus completely eliminating false alarms. Compared with the previous thermocouple, PT, thermistor and other sensors, the imported digital temperature sensor avoids the conversion process between D / A digital and analog quantities, greatly simplifies the reading instructions in the program, and makes the single chip microcomputer safer and more stable. Running.
System composition:
BHY3-WD-600 temperature monitoring table, temperature sensor, alarm, power supply
Optional alarm method (wired or wireless control alarm):
1 Sound and light alarm. After the over-temperature alarm, an 80-decibel alarm sounds and the LED light flashes.
2 Dial the alarm. After over temperature alarm, it will automatically dial the landline or mobile phone of the person in charge. (Up to four sets of numbers can be set)
3 SMS alarm. After the over-temperature alarm, it will automatically send an alarm message to the relevant person in charge. (Up to five groups of numbers can be set)
Alarm and control functions:
BHY3-WD-600 temperature measurement module can set the alarm temperature value, dual relay passive contact output, can be used for alarm indication or control external equipment, such as exhaust fan, heater and other equipment to achieve temperature control function.
Communication function: The single-point temperature monitoring meter is equipped with standard RS232 and RS485 interfaces. RS232 can be directly connected to the computer. 128 instruments can be connected to the RS485 bus, each instrument has an independent 8-bit address, and the address number can be set by a button on the instrument panel.
Isolation performance:
BHY3-WD-600 temperature measurement module has high electrical isolation performance, ensuring the safe and stable operation of the instrument. There is electrical isolation between the temperature sensor and the power supply. This performance ensures that the device can work reliably even in the environment of strong electromagnetic interference.
About accessories quotation:
Temperature sensor: 80 / smoke sensor; 320 / sound and light alarm: 45 / phone dialing (wireless): 320 / standard power supply
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