Description
Overview
GAOTek nitrogen dioxide detector online nitrogen dioxide detector is used in the gas concentration detection of nitrogen dioxide and the alarm of nitrogen dioxide concentration exceeding the standard. It can accurately detect the concentration of nitrogen dioxide and display the real-time concentration value and standard signal output on the spot. It has the advantages of stable signal, high sensitivity and precision, and the flameproof wiring method is suitable for various dangerous places.
Features
- Explosion-proof, lightning protection, anti-static, reverse connection, anti-EMI, EMC electromagnetic interference, anti-pulse surge current impact
- Meets latest national standards, holds CMC measuring instrument production license, and has explosion-proof certification
- Supports 3-wire or 4-wire 4 mA to 20 mA standard signal output, voltage output, and 2 relay switching values
- Includes standard bus RS 485 output (RTU format) and optional integrated sound and light alarm
- Offers wired transmission, LAN, Internet, and wireless transmission options (2 km, 5 km, unlimited distance)
- Wireless transmission modes: 433, GPRS, Wi-Fi, and other alternatives
Technical Specifications
| Gas Detection | Nitrogen dioxide |
| Detection Principle | Electrochemical |
| Display Mode | High-definition 1.7-inch high-definition color screen 320 x 240 resolution, optional: high-brightness LED display |
| Detection Range | 0 ppm to 10 ppm, 20 ppm, 100 ppm, 200 ppm, 500 ppm, 1000 ppm, 2000 ppm, 5000 ppm optional |