Audited Supplier
YF-GK-V3
Electrochemical Gas Sensor
Current
Analog Type
SemiConductor Integrated
Plastic
IP68
High
Customized
Electrochemistry
-40ºC~80ºC
0-90% Rh (No Condensation))
DC 12-36 V
4-20mA Two-Wire System, RS-485 Output
yifan
Carton
80mm*48mm
China
5302
Product Description
Module Introduction:
The integrated 4-20mA output product is a toxic gas detection module that integrates sensors and transmission modules. The product design is produced in accordance with national explosion-proof standards. The measuring element adopts advanced imported gas sensors, which have the characteristics of accurate measurement, long service life, high stability, and strong anti-interference ability; This module circuit design has been designed to prevent circuit reverse connection, high voltage, and excessive current, while considering lightning protection in product design.Main features of the module:
1. Choose advanced imported electrochemical sensors with long service life;
2. Choose high-precision operational amplifiers and power ICs with stable performance, sensitivity, and reliability;
3. Can accurately detect low or high concentrations of toxic gases;
4. Strong anti-interference ability in product design;
5. Product design includes over range protection, reverse polarity protection, and lightning protection;
6. Product design with low power consumption, standard 4-20mA two-wire signal output;
7. Connection interfaces for module sensors: pump suction, diffusion, flange, flange thread;
8. Working voltage: 8-36VDC;
| Module model: | YF-GK-V3 |
| Gas detection: | Toxic gases (CO H2S SO2 CH2O H2O2, etc.) |
| Detection principle | Principles of electrochemistry |
| Sampling method | Diffuse pump suction flange type, flange thread type |
| response time | 30 S to 40 S (sensor response speed) |
| Module detection accuracy | ≤± 3% FS (actual concentration, higher accuracy depends on specific sensor) |
| Module repeatability | ≤±2% |
| Modular line error | ≤±2% |
| Module zero drift | ≤± 2% (F.S/year) |
| Module operating temperature | -40~80ºC |
| Module environment humidity | 0-95% RH (no condensation) |
| Sensor operating temperature | -20ºC-50ºC |
| Sensor working humidity | 0-90% RH (no condensation) |
| signal output | 4-20mA two-wire system, RS-485 output |
| transmission distance | 100 meters |
| working voltage | DC 12-36 V |
| maximum power | ≤0.8W |
| Product size | 80*48mm |
| Explosion proof grade | Intrinsic safety type |
| Connecting cables | RVVP3×1.5mm2 |
Module application field
Petroleum, petrochemical, metallurgical, chemical, power, telecommunications, gas, mining, pharmaceuticals, municipal sewage treatment, indoor environment, atmospheric environmental protection, transportation equipment, transportation, tunnel safety, underground parking lots.
Table 1: Comparison Table of Measurement Type Number and Name (Gas Part, Customization for Other Gases)
| Serial number | Chemical formula | Serial number | Chemical formula |
| 01 | CO | 12 | F2 |
| 02 | H2S | 13 | HF |
| 03 | O2 | 14 | HCL |
| 04 | NO2 | 15 | HBr |
| 05 | SO2 | 16 | COCl2 |
| 06 | Cl2 | 17 | SiH4 |
| 07 | NH3 | 18 | ClO2 |
| 08 | H2 | 19 | BR2 |
| 09 | PH3 | ||
| 10 | CH2O | ||
| 11 | O3 |
