| Nominal diameter: Pipe type: DN4～DN200 Insertion type: DN100～DN2000 Accuracy class: Pipeline: ±0.5 class, ±1.0 class Plug-in: ±1.5 class, ±2.5 class, high precision up to 0.2 class Ambient temperature: -20℃～50℃ Medium temperature: Measuring liquid: -20℃～120℃ Measuring gas: -20℃～80℃ Atmospheric pressure: 86KPa～106KPa Nominal pressure: 1.6Mpa, 2.5Mpa, 6.4Mpa, 25Mpa Explosion-proof grade: ExdIIBT4 Connection method: threaded connection, flange clamping, flange connection, plug-in, etc. Straight pipe section requirements: Gas: The upstream straight pipe section should be ≥10DN, and the downstream straight pipe section should be ≥5DN. Liquid: The upstream straight pipe section should be ≥20DN, and the downstream straight pipe section should be ≥5DN. Plug-in type: the upstream straight pipe section should be ≥20DS, and the downstream straight pipe section should be ≥7DS (DS is the measured inner diameter of the pipeline) Display mode: (1) Remote display: pulse output, current output (with display instrument) (2) On-site display: 8-digit LCD display cumulative flow, unit (m3) 4-digit LCD display instantaneous flow, unit (m3/h), battery power, frequency, flow rate (3) Temperature and pressure compensation type: A. Display standard instantaneous flow and standard cumulative flow B. Display current pressure, temperature, battery voltage Output function: (1) Pulse output, p-p value is determined by the power supply (2) 4～20mA two-wire current output (3) Unit volume pulse output and sensor original pulse output (4) With RS485 communication interface Power supply: (1) DC5～24V (2) The standard 3V lithium battery is installed inside the instrument and can be used continuously for more than eight years. (3) The temperature and pressure compensation type 3V lithium battery can be used continuously for more than four years when installed inside the instrument. Transmission distance: The distance from the sensor to the display instrument can reach 500m | 
