Nitrogen gas transmitter

hydrogenammoniapassive

The explosion-proof grade is required to measure hydrogen content in ammonia decomposition and protective atmosphere equipment in Exd IIC T6 environment, online measurement of hydrogen content in welding and cutting proportioning gas; online monitoring of hydrogen content in hydrogenation and purification nitrogen generators. Technical Parameters: * Measuring principle: thermal conductivity principle * Display mode: segment code display * Measuring range: 0~99.99% H2 * Resolution: 0.01% * Measurement accuracy: ≤±1.0%FS * Repeatability: ≤±1.0%FS * Response time: T90≤5S * Output interface: 4-20mA.DC (non-isolated output, load resistance <1KΩ) 1 channel programmable dry contact type passive alarm output, the maximum contact capacity is AC220V/2A * Communication method: RS485 * Working power: DC24V±10%, 200mA * Ambient temperature: -10℃~+50℃ * Storage environment humidity: 24 months (under normal use conditions) * Explosion-proof grade: Exd IIC T6 Gb * Certificate number: CNEx19.1804X * SIL certification: No.1N200914.JTCCN54 * Pneumatic interface: NPT 1/8 internal thread * Installation method: wall-mounted Features: 1. Segment code screen display, intuitive display, simple and convenient operation; 2. The original imported thermal conductivity sensor has the characteristics of high test accuracy, long calibration interval and long service life; 3. Menu lock function to prevent misoperation from changing instrument parameters and affecting its performance;