ZJAH-MIC-500S Online Single Gas Detection and Alarm Device from Zhongjiaohua-Fornitore globale

Room 14612, Building 3, No. 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai (Taihe Economic Development Zone, Shanghai)

Zhongjiaohua

ZJAH-MIC-500S Online Single Gas Detection and Alarm Device by Zhongqiohua Product Introduction:
Product Model: ZJAH-MIC-500S
Product brand: Zhongjiaohua
Product category: Single gas detector
Product note: Single gas detection alarm device

Product Overview of ZJAH-MIC-500S Online Single Gas Detection and Alarm Device by Zhongjiaohua:
The online gas detector is used for 24-hour continuous online monitoring of gas concentration on site, with a 1.7-inch high-definition color screen displaying the concentration on site, an optional sound and light alarm for exceeding the standard, and remote signal transmission. Using internationally renowned gas sensors, the main detection principles include electrochemical, infrared, catalytic combustion, thermal conductivity, PID photoionization, and other gas sensors.
Online gas detectors are suitable for detecting gas concentrations in pipelines, confined spaces, and atmospheric environments; Gas leakage and high concentration single gas purity with various background gases such as nitrogen or oxygen. More than 500 types have been tested. The sturdy and durable explosion-proof shell is suitable for various hazardous locations and harsh industrial environments, and is widely used in industries such as petroleum, chemical, metallurgical, refining, gas transmission and distribution, and biomedicine.

ZJAH-MIC-500S Online Single Gas Detection and Alarm Device from Zhongjiaohua Product Features:
The concentration display unit can be freely switched
Multiple communication methods are available for selection
Real time monitoring can be achieved through wired or wireless remote transmission, network transmission; Three wire system 4-20mA standard signal and standard bus RS485 (modbus RTU) output simultaneously; Optional frequency output of 200-1000Hz, Hart protocol signal, 1-5V output, two-wire 4-20mA, SMS alarm, wireless transmission (2-5 kilometers or unlimited distance); Compatible with secondary instruments, data acquisition modules, PLC, DCS systems, and capable of driving related equipment.
● Infrared remote control
Equipped with an infrared remote control as standard, one click operation can be performed through the function keys of the infrared remote control, which can achieve cover free operation in dangerous situations, such as modifying alarm points, concentration calibration, zero calibration, noise reduction, factory reset and other functions.
Rich human-machine interface
1.7-inch high-definition color screen, displaying real-time concentration and alarm status.
● High temperature gas detection (optional)
The optional high-temperature and high humidity pretreatment system can detect high-temperature flue gas.
● Data recovery function, in case of misoperation, partial or full recovery can be selected
● Can be set to display maximum and minimum values
● Multiple alarm methods, with multi-dimensional three-dimensional indication of alarm status during alarm
Includes: 2 sets of relay switch output, audio-visual alarm (optional), and display screen visual alarm.
The types of alarms include concentration alarms and fault alarms.
● Multiple alarm mode settings: low alarm, high alarm, interval alarm, weighted average alarm
● Misoperation recognition function: automatic recognition and prevention of concentration calibration misoperations to avoid human factors causing adverse effects
● Zero point automatic tracking, long-term use is not affected by zero drift
Multi level calibration of target points to ensure measurement linearity and accuracy
● Chinese or English interface selectable
● Wide working temperature: -40~+70 ℃, supports temperature compensation
● Log recording
Record calibration logs, maintenance logs, fault records, fault resolution measures, sensor life expiration reminder, and next concentration calibration time reminder function.
● Intrinsic safety circuit design, explosion-proof, with secondary lightning protection and anti-static capabilities. Meet national standards and resist high-intensity pulse surge current impact. It has anti reverse connection function. Compliant with EMI and EMC standards.

ZJAH-MIC-500S Online Single Gas Detection and Alarm Device by Zhongjiaohua Product Parameters:

Gas detection	Toxic gases, oxygen, carbon dioxide, flammable and explosive gases, TVOC, etc
Application scenarios	All occasions that require fixed installation and online detection of gas concentration, such as petroleum, chemical, pharmaceutical, environmental protection, gas distribution, warehousing, flue gas analysis, air treatment, etc.
Testing Scope	0～1、10、100、1000、5000、50000、100000ppm、 200 milligrams per liter
Testing Scope	100% LEL, 20%, 50%, 99.999%, 100% Vol are optional, and other ranges can be customized.
resolution	0.01ppm or 0.001ppm (0-10ppm); 0.01ppm（0～100 ppm），
	0.1ppm (0-1000 ppm), 1ppm (above 0-1000 ppm),
	0.01 mg/L (0-200% mg/L), 0.1% LEL, 0.01%, 0.001% Vol.
Detection Principle	Electrochemistry, catalytic combustion, infrared, thermal conductivity, PID photoionization, etc., depending on the gas type
Detection Principle	It depends on the measurement range, on-site environment, and user requirements.
detection accuracy	≤± 3% F.S (higher precision can be customized)
Linearity	≤±2%
Repeatability	≤±2%
uncertainty	≤±2%
recovery time	≤ 30 seconds
response time	T90 ≤ 20 seconds
signal output	Bus based RS485 (RTU), three (four) wire system 4-20mA, optional: 0-20mA
signal output	1～5V、0～5V、0～10V、 Wireless transmission, network transmission, SMS alarm.
working environment	Temperature: -40 ℃~+70 ℃, humidity: ≤ 10~95% RH (conventional) Non condensing occasions
working environment	When used in condensation situations, it is necessary to customize or specify the usage environment when ordering
display mode	On site 1.7-inch high-definition color screen display, optional on-site no display, or optional remote display, control, alarm with controller
Working Voltage	12-36VDC DC, the standard power supply for a single device is 24V, 1A or greater
Working Voltage	DC stabilized switching power supply
Power reference	A 24V, 2.1A switching power supply can drive 40 toxic gas detectors or 15 detectors
Power reference	Combustible and infrared gas detector
working method	Fixed installation, online detection, diffusion measurement; Optional pipeline type, flow type
working method	Pump suction measurement.
Installation method	Pipeline and wall mounted. The working pressure of pipeline type is atmospheric pressure ± 30%. If it exceeds the range, it needs to be depressurized.
alarm method	Default 1 channel, optional 2 passive contact (dry node) outputs, three-level alarm,
alarm method	Alarm points can be set. On site sound and light alarm (optional).
connecting cable	Choose three core shielded cable for 4-20mA, four core for RS485, when the distance exceeds 1000 meters
connecting cable	Single wire diameter ≥ 1.5mm; shielding layer grounded.
Protection level	IP65
Explosion proof type	Explosion proof type
Explosion-proof marking	Exd IIC T6 Gb
execution standard	GB15322.1-2019 "Combustible Gas Detectors Part 1"
	GB 3836.1-2010 General Requirements for Electrical Equipment Used in Explosive Gas Environments
	GB 3836.2-2010 "Explosion proof type" d "for electrical equipment used in explosive gas environments"
Overall dimensions	238 × 210 × 90mm (L × H × W) with light
Overall dimensions	238 × 152 × 90mm (L × H × W) without light
Weight	1.8Kg
Standard Appendix	Instruction manual, certificate of conformity, warranty card, outer packaging box
Optional items	Integrated sound and light alarm, split sound and light alarm, 24V DC stabilized power supply
	Accessories for computer monitoring: free upper computer software, RS485/RS232 converter
	Laptops without RS232 interfaces also require USB/RS232 conversion cables. If
	TCP/IP converters are also required for network transmission.
wireless transmission	Optional function, can wirelessly transmit data to mobile phones, remote monitoring centers, and monitoring
	Computer and other monitoring equipment, using the upper computer on the computer for data analysis, storage
	Printing and other functions
Preprocessing system	Optional: Room temperature and high humidity pretreatment system, high temperature and high humidity pretreatment system
Preprocessing system	High temperature, high humidity, and high dust pretreatment system
Installation type accessories	Optional: Wall mounting bracket, installation buckle fixed on the pipeline (four or six branch)
Installation type accessories	Pipeline installation includes stainless steel threaded welding sockets or flanges (with pipe or flange dimensions specified, such as DN50, DN15, etc.), rain covers, 24VDC or 220AC sampling pumps (with a sampling distance of 10 meters), vacuum pumps (with a sampling distance greater than 40 meters), 24V switch power supplies, pressure reducing valves, and flow meters.