INPUT SIGNAL | 4~20mA or RS485 signal |
---|---|
MEASUREMENT RANGE | according to the measurement range of the gas detector, each detector can be set separately |
ACCURACY | ±3% F.S. |
RESPONSE TIME | ≤5S |
DISPLAY TYPE | LCD /LED to display the concentration ,LCD to display the position of the detector, LED lights to indicate the working statu |
ALARM TYPE | Two segments audio and visual alarm, loudness≥90dB |
ALARM SETTING | Alarm limits are adjustable |
OUTPUT POWER SUPPLY | 24-28VDC for each channel |
OUTPUT SIGNAL | Two levels of dry contacts, with capacity 1A 24VDC RS 485 interface |
---|---|
CONNECTION WITH DETECTOR | Three wires |
OPERATION POWER SUPPLY | 220VAC 50Hz |
BACKUP POWER SUPPLY | 24VDC rechargeable battery |
POWER CONSUMPTION | ≤2W/each channel |
OPERATION TEMPERATURE | -20℃~+60℃ |
OPERATION HUMIDITY | 0~95%RH/Non condensation |
MOUNTING TYPE | wall mounting, cabinet installation |