QB2000F industrial wall-mounted single sensor 4-20mA and RS485 gas detection alarm controller
QB2000F industrial wall-mounted single sensor 4-20mA and RS485 gas detection alarm controller
QB2000F single sensor point gas detection controller can ontiunously monitor the concenrtiofn of oxygen, toxic and combustible gas, composed of controller and detectors,simple to install and operate, microprocessor controlled, the controller can raise the alarming when the detected concentration reached the preset value. so it is widely used in oil,chemical,gas station etc.
Features:
♦ 128 x 64 dot matrix big screen liquid digital display
♦ alarm reporting storage: 500
♦ two alarm levelss, can be set by users
♦ 4-20mA/16 channel RS485 output signal
♦ Password verify is required when important operation
Technical specification:
| Model | QB2000F Single Sensor Gas Detection Alarm Controller |
| Sensor type | electro-chemical sensor or catalytic combustion sensor |
| Detected gas | Combustible gas,toxic gas |
| Humidity | <95%RH (No condensation) |
| Accuracy | 3%F.S |
| Response time | T90<30s. |
| Alarm | Audible,visual alarm |
| Humidity | < 90%RH(no condensation) |
| Working current | ≤50 Ma |
| Output signal | 4 to 20mA standard signal(RS485 output optional) |
| Power supply | AC220,50HZ |
| Type of cable | 3 or 4 active wires screened between detector and centralized unit. 3×1.5mm2 for 4-20mA signal OR 4*1.5mm2 for RS485 signal, external diameter ≥10mm |
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| Operation temperature | -30 °C~+50 °C |
| Anti-explosion Class | Ex d(ib) IIC T6 |
| IP grade | IP65 |
| Weight | 1.2kg |
1. G.W.: 4kg
2. Shipping by: DHL, TNT, FEDEX, EMS and BY SEA if necessary
packing of industrial wall-mounted single sensor 4-20mA and RS485 gas detection alarm controller
1, OEM
2, Development and design according to customers requirements.
3, Delivery on time.
4, 1 year warranty
1, Founded in 2004, located in zhengzhou, henan province, central China.
2, R&D team: 50 engineers
3, Annual sales: 20000 sets portable / fixed gas detectors and controll pannels (2014)
4, ISO9001-2000, CE
5, Main products: portable and fixed gas detectors, multi channel gas detection controllers.
1, Payment terms: T/T, western union, paypal, L/C, money gram
2, Delivery: 2-3 working days
3, Calibration: one year, you can calibrate it in your country or send the sensor back to us.
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