NTC 20K high sensitivity sensor
SR-512HC Heat detector with Real Temperature
Display and Adjustable Alarm Temperature
Main Features:
MCU processing
Auto reset / power-off reset optional
NTC thermal sensor
4 Digits temperature LCD display
Can set maximum or minimum alarm temperature simultaneously
Real ambient temperature correctable
Relay alarm output
Relay alarm delay time settable(0-255S)
Technical specification:
Operating voltage:DC9-24V or DC24V-48V
Static current: ≤10mA or ≤28mA
Alarm temperature: -10ºC~+100ºC(can be set manually)
Alarm output: relay output, contact capacity AC250V 3A
Sensor: NTC 20K high sensitivity temperature sensor
Working environment: -10ºC~+50ºC(≤95%RH)
Dimension: 118.5*82*43mm
SR-504 Heat detector
2 wire; Dual LED indication
SR-501 Heat detector
2 wire; Dual LED indication
SR-502 Heat detector
2 wire & 4 wire optional;
SR-503 Heat detector
2 wire & 4 wire optional;