Gas detector

Portable composite gas analyzer

Overview of portable compound gas analyzer

Portable composite gas analyzer for: accurate detection and analysis of a variety of gas concentrations and environmental temperature and humidity measurement, using 3.5 inch high-definition color screen real-time display, the use of internationally famous brands of gas sensors, the main detection principles are: electrochemistry, infrared, catalytic combustion, thermal conductivity, PID photoion and so on. Swiss high precision capacitive digital temperature and humidity sensor. Advanced circuit design, mature kernel algorithm processing, unique shape design, has obtained a number of software works and appearance patents. Suitable for detecting gas concentrations in pipelines or confined Spaces and atmospheric environments; Gas leaks and various background gases are nitrogen or oxygen with a high concentration of single gas purity. More than 500 kinds of detection.

Second, portable composite gas analyzer product characteristics

★ Can detect 1~6 kinds of gas at the same time, can be extended to 18 kinds of gas, the unit is free to switch

The unit can be PPM, mg/m3, Vol%, LEL%, PPHM, ppb, or mg/L.

★ Built-in pump type measurement, integrated water vapor, dust filter, rapid response, support long distance sampling

Built-in water vapor and dust filter to prevent damage to sensors and instruments due to water vapor and dust, can be used in high humidity, high dust environment; The sampling distance is greater than 10 meters, the special gas path design, and the corresponding accessories can detect the negative pressure or positive pressure of -0.5 ~ 2 kg of gas, which has no impact on the measurement results.

★ Rich man-machine interface

3.5-inch HD color screen, display real-time concentration, alarm, time, temperature, humidity, storage and other information; The menu interface uses HD simulation graphics to display the function names of each menu.

★ Large capacity data storage function (capacity can be customized), support a variety of storage methods, optional remote wireless transmission function

The standard data storage capacity of 100,000 pieces; Optional U disk storage, SD card storage function, support real-time storage, timing storage, or only store alarm concentration data; Support local view, delete data, through USB, RS232 interface or infrared communication upload to the computer for data analysis or printing.

★ A variety of communication interfaces and printing functions

Infrared communication interface, RS232 interface, USB interface automatic recognition, optional built-in or external wireless Bluetooth printer.

★ High temperature gas detection (optional)

Optional high temperature sampling and cooling filter handle or high temperature and high humidity pretreatment system can detect smoke at 1300 degrees. Gas detection at other temperatures can be customized.

★ Three display modes can be switched

The concentration of six gases is displayed at the same time, and the concentration of single-channel gas is displayed in large letters, and the real-time curve is displayed.

★ Graphical display, reflecting the trend of gas concentration change over a period of time in the form of a curve

● Data recovery function, in case of misoperation can select partial or full recovery

● Can set whether to display the maximum value, minimum value, average value

● Standard USB charging interface, with charging protection function, support USB hot swap, charging state instrument can work normally

● Adopted by 5400mA× 2 Large capacity rechargeable polymer battery, can work continuously for a long time

● High precision temperature and humidity measurement (optional)

● Support real-time detection or timing detection, when not detected, you can turn off the pump to extend the startup time

● A variety of alarm methods, when the alarm multi-directional three-dimensional indication alarm status

Including sound and light alarm, display visual alarm.

Alarm types include: concentration alarm, undervoltage alarm, fault alarm.

● Multiple alarm mode Settings: low alarm, high alarm, interval alarm, weighted average alarm

● Misoperation identification function: The concentration calibration misoperation is automatically identified and prevented, which can avoid the bad caused by human factors

● Zero automatic tracking, long-term use is not affected by zero drift

● Multi-stage calibration of target points to ensure measurement linearity and accuracy

● English and Chinese interface is optional

● Wide operating temperature: -40 ~ +70℃, support temperature compensation

● Log recording

Record calibration log, maintenance log, fault record, fault resolution, sensor life expiration reminder, the next concentration calibration time reminder function.

● Meet the requirements of intrinsic safety circuit design, anti-static, anti-electromagnetic interference.

● Protection level up to IP66, waterproof splash, dustproof, explosion-proof, shock-proof.

Technical parameters of portable composite gas analyzer

Detection of toxic gases, oxygen, carbon dioxide, flammable and explosive gases, TVOC, etc.

The combination of 1 ~ 6 kinds of gases can be expanded to more than 18 kinds of gases.

Optional: Temperature and humidity measurement.

Applications Petroleum, chemical industry, medicine, environmental protection, gas distribution, storage, gas analysis, air treatment and other need to portable rapid detection of gas concentration occasions.

Detection range 0 ~ 1, 10, 100, 1000, 5000, 50000, 100000ppm, 200 mg/l,

100%LEL, 20%, 50%, 99.999%, 100%Vol optional, other ranges can be customized.

Resolution 0.01ppm or 0.001ppm (0 ~ 10 ppm),

0.01ppm (0 ~ 100 ppm),

0.1ppm (0 ~ 1000 ppm),

1ppm (0 ~ 1000 ppm or more),

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 photoion, etc., according to the gas type,

Range, site environment and user needs.

Allowable error ± 2%F.S (other or higher precision can be ordered)

Linearity ≤ ± 2%

Response time T90≤ 20 seconds repeatability ≤ ± 2% uncertainty ≤ ± 2%

Working temperature: -40℃ ~ +70℃, humidity: ≤ 10 ~ 95%RH, built-in filter can be used in high humidity or high dust environment recovery time ≤ 30 seconds

Sample temperature -40℃~+70℃, optional high temperature sampling and cooling filter handle, can detect up to 1300 degrees of smoke concentration

Temperature and humidity measurement options: temperature -40℃~+70℃, accuracy 0.5℃; Humidity 0 ~ 100%RH, accuracy 3%RH

Power supply 3.7VDC, 5400mAh× 2 Large capacity rechargeable polymer battery

Display mode 3.5 "HD color screen

Detection method Built-in pump suction measurement, flow rate 800 ml/min. The calibrated flow rate should be greater than 800 ml/min, and the tee pipe should be connected for shunt to ensure that excess gas is discharged from the bypass

Alarm mode Audible and visual alarm, close alarm can be set

Communication interface USB (charging and communication), optional: RS232, infrared communication, automatic identification

Data storage The standard data storage capacity is 100,000, and SD card storage and U disk storage are optional

Protection level IP66

Explosion-proof type Intrinsically safe

Explosion-proof mark Ex ia IIC T4 Ga

Implement standard GB 15322.3-2019 "Portable Combustible gas sensor with measurement range of 0-100%LEL"

1. 2010 General Requirements for Electrical Equipment for Explosive Gas Environments

1. 2010 "Electrical Equipment for Explosive gas environment intrinsically safe “i”"

Size 255× 210× 125mm(L× H× W)

Custom: 420× 210× 125mm(L× H× W)

Weight 2.5Kg

Standard accessory manual, certificate, warranty card, USB charger (including data cable), high-grade aluminum alloy instrument case, built-in humidity dust filter, 40cm stainless steel sampling handle (1 meter hose, with dust filter, non-retractable)

Optional Temperature and humidity measurement function, 1.2m retractable sampling handle (1-10m hose, Standard length 1 meter), external remote sampling pump, high temperature sampling and cooling filter handle, high temperature and high humidity pretreatment system, optical disc (communication software of upper computer), external micro wireless Bluetooth printer, built-in micro printer, SD card storage, U disk storage, wireless data communication