I Company Introduction
Yantai dongrun Instrument Co., Ltd. was founded in 1998, specializes in manufacturing online water quality analysis equipment, material level meters, pressure gauges, flow meters, special temperature gauges and laboratory analysis equipment. Our company cooperate with the Chinese Academy of Sciences to build a water analysis laboratory, and the main products are TOC analyzer, ammonia analyzer, fluorescence oxygen analyzer, etc. We have passed the ISO9001 certification and has a professional R & D team, providing technical support to meet customer demand, particularly in the anti-corrosion, our company has a unique technology to meet different conditions of corrosion requirements.
Product Introduction
Application:
Usually, with display instruments, recording instruments, computer and other ancillary uses, output 4 ~ 20mA,
Direct measurement of the production process in the range of 0 ~ 1600 ℃ of liquid, vapor, gas and solid surface
temperature.
Features:
1. The two-wire output 4 ~ 20mA, strong anti-jamming capability
2. saving temperature transmitter compensation wire and installation costs
3. Wide Measuring range
4. The automatic cold junction temperature compensation, nonlinear correction circuit
Working principle
Thermocouple (RTD) in working condition measured thermoelectric power (resistance) changes,
after the bridge of temperature transmitter generate unbalanced signal, After amplification converted
into 4 ~ 20mA DC signal to the working instrument, working instrument will show the corresponding
temperature value.
The main technical parameters
Output signal: 4 ~ 20mA, load resistance 250Ω, 100Ω transmission line resistance
Output method: Two-wire
Tolerance Level: 0.1,0.2,0.5
Power supply: 24VDC ± 10%
Protection: IP65
Company show:
Contact:
edith sun
skype: dongrun01
tel : 8613793523708