The fixed nitrogen oxide detection and alarm integrated machine is suitable for continuous online detection and on-site sound and light alarm of carbon monoxide concentration in various industrial and special environments, and plays a warning role in the safety of hazardous operations in hazardous sites
Product Details
brand
Jida'an
1、 Product Description
The fixed nitrogen oxide detection and alarm integrated machine is suitable for continuous online detection and on-site sound and light alarm of carbon monoxide concentration in various industrial and special environments, providing early warning for the safety of hazardous operations. The instrument adopts imported electrochemical sensors and microcontroller technology, with advantages such as stable signal, high accuracy, and good repeatability. The explosion-proof wiring method is suitable for various hazardous areas. The instrument is compatible with various control systems such as alarm systems, PLC, DCS, etc., and can simultaneously achieve on-site alarm and remote monitoring and alarm functions.
2、 Product Features:
① Imported high-performance electrochemical nitrogen oxide sensor with excellent anti-interference performance and a service life of up to 3 years
② Adopting microprocessor technology, fast response speed, high measurement accuracy, good stability and repeatability
③ The detection site has on-site sound and light alarm function, and the gas concentration exceeds the standard and immediately alarms, which is a safety guarantee for dangerous on-site operations
④ On site backlit large screen multi parameter LCD display, visually displaying gas concentration, type, unit, working status, etc
⑤ Independent chamber, no need for on-site calibration when replacing sensors, automatic identification of key sensor parameters
⑥ Full range temperature digital automatic tracking compensation ensures measurement accuracy
⑦ Full software automatic calibration function, this machine is equipped with standard three buttons to achieve single person single point on-site maintenance of technical parameters
Maximum transmission distance: 1100 meters (Rvv0.75 square millimeter shielded cable)
Working temperature: -20 ℃~+50 ℃
Relative humidity: 10% to 95% RH
Output signal: Users can choose according to their actual requirements, with a maximum transmission distance of 2000 meters (single core 1mm shielded cable)
① Three wire 4-20mA current signal output
② RS-485 digital signal output, combined with RS232 adapter card, can store data on the computer (optional)
③ 2 sets of relay outputs: passive electric shock capacity 220VAC3A, 24VDC3A
④ Alarm signal output: on-site sound and light alarm, alarm sound:<90 decibels
Connection method: 3/4 "NPT internal thread
Shell material: die cast aluminum, explosion-proof and corrosion-resistant
Explosion proof mark: ExdIICT6
Protection level: IP65
Working power supply: 24VDC (12-30VDC)
Working temperature: -20~50 ℃ (customized according to special requirements)
Working humidity: ≤ 95% RH, no condensation (humidity>90% RH, can be equipped with a filter)