Description
Overview
GAOTek ammonia gas detector with alarm can continuous detect the real-time gas concentration and display data with the 2.4 inches LCD HD color screen.
Features
- 4 inches technical grade display with a pixel up to 320 x 240
- Three concentration units are available PPM, %VOL, mg per m3
- Variety signal output model
- Variety signal transmissions are available
- All software automatic calibration, sensor up to 6 level target calibration
- Following function are optional: Temperature, Humidity sensor, and Audible
Technical Specifications
| Product Type | Online, Ammonia (NH3) |
| Sensor | Electrochemistry |
| Detection Pattern | Diffusion, pipeline, Circulation, Pumping is available, Online detection |
| Detection Range | 0 ppm to 10 ppm,50 ppm,100 ppm,500 ppm,1000 ppm,5000 ppm |
| Resolution | 0.01 ppm |
| Linearity Error | ≤±1% FS |
| Zero Drift | ≤±1% (F.S per Year) |
| Repeatab0ility | ≤±1% FS |
| 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 or 220 V AC 3 A |
| Explosion Proof Sign | ExdII CT6, Certification Number of Explosion-proof: CNEx10.1807 |
| Outputs | Analog:4 mA to 20 mA signal,0 V to 5 V,0 V to 10 V Modbus:Â RS485 signal Pulse signal or TCP or IP signal, optional |
| Alarm Setting | Two alarm set points Alarm mode optional: Low Alarm-High alarm or High alarm-High alarm or Low alarm-Low alarm |
| Controllers | Compatible with DN3000 or DN9000, as well as most DCS or PLC systems |
| IP Rating | IP66 |
| Connection | 3 per 4″ NPT,1 per 2″ NPT |
| Relative Humidity | ≤90 % RH, Non-condensing |
| Operating Voltage | 24 V DC (9 V DC to 30 V DC) |
| Material | Aluminum, Explosion and corrosion proof |
| Operating Pressure | 0 Kpa to 200 Kpa |
| Operating Temperature | -22 °F to 140 °F (-30 ºC to 60 ºC) |
| Dimensions | 7.87 in x 6.29 in x 3.14 in (200 mm × 160 mm × 80 mm) |
| Weight | 3.3 Ib (1.5 kg) (Net weight) |