Xi'an Kacise Optronics Co.,Ltd.
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KSBH - 90A Underground Pipe Gas Detector
Introduction
The KSBH - 90A Underground Pipe Gas Detector is tailor - made for detecting gas leaks in underground pipes. It continuously monitors combustible and toxic gases using a high - quality sensor with natural diffusion. Measuring 100×60×30mm and weighing 130g, it’s highly portable. Powered by a 3.7V 1500mAh Li - battery, it can work for over 8 hours continuously. With an accuracy of ≤5% F.S. and a response time of less than 30s, it offers quick and reliable detection. It features visual, audible, and vibrating alarms, along with advanced MCU control for low - power operation.
Product Features
*Advanced MCU control with low power consumption;
*Adjustable low and high alarm level;
*Adjustable calibrating level;
*High concentration protection for combustible gas;
*Self test for the combustible gas sensor;
*Low battery indication;
*Self-adjustment function
*Visual and audible alarm with vibration;
*Advanced self-examination and self-renovation function
*Password management to avoid wrong operation;
*Explosive proof housing.
Technical Parameters
| Accuracy | ≦ 5% F.S. |
| Response time | T＜30s |
| Indication | LCD indicates the time and state Indication of alarm, fault and low voltage with LED, sound, vibration |
| Operating Environment | Operating temperature -40℃～70℃ (for combustible gas) |
| Operating temperature: -20℃～50℃ (for toxic gas) | |
| Humidity | ＜95%RH non-condensing |
| Operating voltage | DC3.7V Li battery 1500mAh |
| Working time | ≧8h continuously |
| Charging time | 4h～6h |
| Sensor life | 2 years |
| Weight | about 130g (including battery but without accessories) |
| Explosion proof | Ex ib llB T3 Gb |
| Dimension | 100mm×60mm×30mm |
Specifications
| Model | Range | Resolution | L-alarm | H-alarm |
| CO | 0-1000ppm | 1ppm | 50ppm | 150ppm |
| O2 | 0-30%vol | 0.1%vol | 19.5%vol | 23.5%vol |
| H2 | 0-1000ppm | 1ppm | 50ppm | 150ppm |
| H2S | 0-100ppm | 0.1ppm | 10ppm | 20ppm |
| CH4 | 0-5%vol | 0.01%vol | 1%vol | 2.5%vol |
| C2H4O | 0-100ppm | 1ppm | 10ppm | 20ppm |
| EX | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| HC | 0-2%vol | 0.01%vol | 0 | 0 |
| C2H6O | 0-100ppm | 1ppm | 10ppm | 20ppm |
| NH3 | 0-100ppm | 1ppm | 10ppm | 20ppm |
| CL2 | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| O3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| SO2 | 0-20ppm | 0.1 | 5ppm | 10ppm |
| PH3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| CO2 | 0-5%vol | 0.01%vol | 1%vol | 2%vol |
| NO | 0-250ppm | 1ppm | 50ppm | 150ppm |
| NO2 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| HCN | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| HCL | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| HF | 0-10ppm | 0.1ppm | 3ppm | 5ppm |
| C7H8/C8H10 | 0-100ppm | 1ppm | 10ppm | 20ppm |