SMART SENSOR ST8900 Gas Detector
Can simultaneously test oxygen, carbon monoxide, hydrogen sulfide, combustible gas four gases, using diffusion sampling, optional pump, with sound and light shock alarm function.
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Introduction
This instrument is a portable multi-Gas Detector, which can continuously detect 4 kinds of gases at the same time: O, LEL (combustible gas), CO, H, S. Each gas concentration reading will be displayed on the LCD. The instrument provides low concentration/high concentration alarm and STEL/TWA alarm function which can be set by the user. When the detection result exceeds the preset alarm setting value, the instrument will remind the user with sound, light and vibration alarm.
structure diagram

plan

SMART SENSOR ST8900 Gas DetectorSpecifications
| LIST | VALUE |
|---|---|
| Detection gas | Oxygen/Carbon Monoxide/Hydrogen Sulfide/Combustible Gas |
| range | Oxygen: 0~30% vol; Carbon monoxide: 0~999ppm; Hydrogen sulfide: 0~500ppm; Combustible gas: 0~100% LEL |
| Intrinsic error | <±0.1% |
| Response time | moment |
| Alarm value setting | Yes. |
| Sensors principle | Electrochemistry |
| Alarm method | Sound, light and shock triple alarm, the alarm value can be set, and the alarm sound can reach 80 decibels |
| Operating Temperature | -10~50℃ |
| Environment humidity | 15~95%RH |
| Sampling pump | optional |
| Sampling pump flow rate | 0.5SCFH |
| Sampling pump distance | 50 feet away |
| size | 75x138x43mm |
| Storage temperature | 0~40℃ |
| Weight | 360g |
| Display | Segment LCD |
| Maximum open circuit Voltage | ≤4.2V |
| Working Voltage | 3.7V |
| Operating Current | 230mA |
| short circuit current | ≤3A |
| Battery model | BL-9C |
SMART SENSOR ST8900 Gas Detector Packing list
detector X1, original rechargeable lithium battery X1, data cable x1, charger x1, factory certificate X1, warranty card X1, manual X1, portable toolbox x1.
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
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