Overview
Enviro Testers wireless NH3 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 and 4 to 20 mA analog digital output as well as 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 compatible with all kinds of controller, PLC and DCS etc., allow user to remote monitoring and control. Monitoring data can be saved and analyze by computer.
Features
- 4 inches technical grade display with a pixel up to 320 x 240
- Three concentration units are available PPM, % VOL, mg/m3
- Variety signal output model
- Variety signal transmission are available
- All software automatic calibration, sensor up to 6 level target calibration
- Chinese and English operation model are available, user friendly
- Following function are optional
- Have wireless transmitter and USB wireless receiver
Technical Specifications
| Product Type | Online, Ammonia (NH3) |
| Sensor | Electrochemistry Gas sensor |
| Detection Pattern | Diffusion, pipeline (screw thread size: M40 x 1.5 MM), Circulation, Pumping is available, Online detection |
| Detection Range | 0 to 10, 50, 100, 500, 1000, 5000 PPM |
| Resolution | 0.001 PPM (0 to 10 PPM), 0.01 PPM (0 to 100 PPM),0.1 PPM (0 to 1000 PPM),1 PPM (0 to 5000 PPM) |
| Detection Accuracy | ≤ ± 3% F. S |
| Reaction Time | ≤ 20 S (T 90) |
| Recovery Time | ≤ 20 S |
| Relay output | Two relays output, Contact rating:24 VDC 3A or 220 VAC 3A |
| Explosion Proof Sign: | ExdII CT6, Certification Number of Explosion-proof: CNEx10.1807 |
| Outputs | Analog: 4 to 20 mA signal,0 to 5 V, 0 to 10 V Modbus: 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 | IP65 |
| Connection | 3/4″ NPT,1/2″ NPT |
| Relative Humidity | ≤ 90% RH, Non-condensing |
| Operating Voltage | 24 VDC (9 to 30 VDC) |
| Material | Aluminum, Explosion and corrosion proof |
| Operating Pressure | 0 to 100 Kpa |
| 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,3G module |
| Linearity Error | ≤ ± 1% F. S |
| Zero Drift | ≤ ± 1% (F.S/Year) |
| Repeatability | ≤ ± 1% F. S |
| Operating Temperature | -22 °F to 140 °F (-30 °C to 60 °C) |
| Dimensions | 7.87 in × 6.69 in × 3.15 in (200 mm × 170 mm × 80 mm) |
| Weight | 2.64 lb (1.2 Kg) |
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