Description
Overview
GAOTek Hydrogen Cyanide Fixed Gas Detector can continuously detect the real-time gas concentration and display data with the 2.4 inches LCD HD color screen. It includes RS485 Modbus digital output, 4 mA to 20 mA analog digital output, and 2 relays output as standard. It also provides other signal transmission like 3 to 4 core cable, Optical fiber network, Network cable, 3G transmission, Wireless transmission, Video transmission. And it is compatible with all kinds of controllers, PLC and DCS etc., allow user to remote monitoring and control. Monitoring data can be saved and analyzed by computer.
Features
- 4 inches display, 320 x 240 pixels
- Three concentration units: PPM, % VOL, mg/m3
- 4 mA to20 mA signal: standard 16-bit chip, 1 Km transmission
- RS485 signal: standard MODBUS RTU, 2 Km
- 2 relays output: adjustable concentration alarms
- 0 to 5 V, 0 to 10 V output optional
- Signal transmission options: various cable types
- Software automatic calibration
- Up to 6 level target calibration
- Chinese, English operation models
- User-friendly interface, four buttons
- Optional functions: temperature, humidity sensor, audible, visual alarm
- Wireless transmitter, USB receiver, 20/25 points
Technical Specifications
| Product Type | Online, Hydrogen cyanide |
| Sensor | Electrochemical Gas Analyzer |
| Detection Pattern | Diffusion, pipeline (screw thread size: M 40 x 1.5 MM), Circulation, Pumping is available, Online detection |
| Detection Range | 0 ppm to 30 ppm,50 ppm,100 ppm,500 ppm,1000 PPM |
| Resolution | 0.01 PPM (0 ppm to 100 PPM),0.1 PPM (0 PPM to 1000 PPM) |
| Detection Accuracy | ≤ ± 3 % FS |
| Reaction Time | ≤ 20 S (T90) |
| Recovery Time | ≤ 20 S |
| Relay output | Two relays output, Contact rating: 24 V DC 3 A/ 220 V AC 3 A |
| Explosion Proof Sign | ExdII CT6, Certification Number of Explosion-proof: CNEx10.1807 |
| Outputs | Analog: 4 mA to 20mA signal, 0 V to 5 V,0 V to 10 V Modbus: RS485 signal Pulse signal or TCP/IP signal, optional |
| Alarm Setting | Two alarm set points Alarm mode optional: Low Alarm-High alarm / High Alarm-High alarm / Low Alarm-Low alarm |
| Controllers | Compatible with DN 3000 / DN 9000, as well as most DCS/PLC systems |
| IP Rating | IP65 |
| Material | Aluminum, Explosion and corrosion proof |
| Standard Accessories | -User manual -Certification -Calibration cover -Wireless transmitter and USB wireless receiver |
| Optional Accessories | -Hose (5 mm x 8 mm), drying tube, water separator or pumping pump -Infrared remote control -Temperature and humidity sensor, SMS alarm,3 G module |
| Operating Voltage | 24 V DC (9 V DC to 30 V DC) |
| Linearity error | ≤ ± 1 % FS |
| Zero drift | ≤ ± 1 % (FS/Year) |
| Repeatability | ≤ ± 1 % FS |
| Connection: | 3/4″NPT,1/2″NPT |
| Relative Humidity | ≤ 90 % RH, Non-condensing |
| Operating Pressure |
0 psi to 29 psi (0 Kpa to 200 Kpa) |
| Operating Temperature |
-22 °F to 140 °F ( -30 °C to 60 °C) |
| Dimensions | 7.87 in x 6.69 in x 3.14 in (200 mm × 170 mm × 80 mm) |
| Weight | 0.44 lb. (0.2 kg) |