Gas detector

Portable five-in-one toxic and harmful gas detector

First, portable five-in-one toxic and harmful gas detector overview

Portable five-in-one toxic and harmful gas detector is used for: rapid detection of a variety of gas concentrations and environmental temperature and humidity measurement, measurement exceeds the limit value of the alarm. Using 2.5 inch HD color screen real-time display, the use of internationally renowned brands of gas sensors, the main detection principles are: electrochemistry, infrared, catalytic combustion, thermal conductivity, PID photoion and so on. 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 five-in-one toxic and harmful gas detector product features

★ Unit free switching, can detect 1~5 kinds of gas at the same time, unit free switching, unit optional: PPM, mg/m3, Vol%, LEL%, PPHM, ppb, mg/L

★ Built-in pump suction measurement, integrated water vapor, dust filter, to prevent damage due to water vapor and dust sensors and instruments, can be used for high humidity, high dust environment, rapid response, sampling distance of more than 10 meters, special gas path design, optional corresponding accessories can detect negative pressure or positive pressure -0.5 ~ 2 kg of gas,

★ Rich man-machine interface

2.5-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

Standard capacity 100,000 data, support SD card storage, unlimited capacity, support local view, delete or data export, free communication software on the upper computer, storage function is off by default, can be set to open, storage interval arbitrary Settings

★ A variety of communication interfaces and printing functions

Infrared communication interface (optional), RS232 interface (optional), USB interface automatic identification, optional external micro 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 800 degrees.

Higher temperature gas detection can be customized.

★ Three display modes can be switched

The concentration of five kinds of gas is displayed at the same time, and the concentration of single-channel gas is displayed in large font circulation, 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, the instrument can work normally in the charging state

● Using 6000mA large capacity rechargeable polymer battery, can work continuously for a long time, full charge use: about 15~16 hours

● 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

Sound and light alarm, vibration alarm, visual alarm, sound and light + vibration + visual alarm, close 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: not less than IP66, rain and water splash, dust proof, explosion-proof mark: Exia II CT6, use environment: temperature -40℃~+70℃; Relative humidity ≤ 0-99%RH (built-in filter can be used in high humidity or high dust environment);

Three, portable five-in-one toxic and harmful gas detector technical parameters

Detection gas Toxic gas, oxygen, carbon dioxide, flammable and explosive gases, TVOC, etc., 1 to 5 kinds of gas with the combination. 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, 200mg, L, 100%LEL%, 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.

Detection accuracy ≤ ± 2% (F.S)

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 the smoke concentration of 800 degrees or higher temperature.

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

Working power supply 3.7VDC, 6000mAh large capacity rechargeable polymer battery.

Display mode 2.5-inch HD color screen.

Detection method Built-in pump suction measurement, rapid response, sampling distance of more than 10 meters, special gas path design, can directly detect negative pressure or positive pressure -0.5 ~ 2 kg of gas, no impact on the measurement results; It can detect 1 ~ 5 kinds of gases at the same time.

Detection unit Free switching, conventional gas does not need to input molecular weight, special gas need to input molecular weight automatically calculated and switched, unit optional: PPM, mg/m3, Vol%, LEL%, PPHM, ppb, mg/L.

Alarm mode acousto-optic alarm, vibration alarm, visual alarm, acousto-optic + vibration + visual alarm, close alarm;

Alarm volume 90 ~ 120 dB.

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

Data recording standard capacity 100,000 pieces of data, support SD card storage, unlimited capacity, support local view, delete or data export, free communication software on the upper computer, storage function is off by default, can be set to open state, storage interval arbitrary Settings.

Protection grade is not less than IP66, rain and water splash, dust proof, explosion-proof mark: Exia II CT6, use environment: temperature -40℃~+70℃; Relative humidity ≤ 0-99%RH (built-in filter can be used in high humidity or high dust environment).

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”"

Appearance size 195× 77× 46mm(L× W× H).

Weight 350g.

Standard accessory manual, certificate, warranty card, USB charger (including data cable), high-grade aluminum alloy instrument box, back clip, humidity dust filter.

Optional Temperature and humidity measurement function, 1.2m retractable sampling handle (1-10m hose, standard length 1 m), 0.4m stainless steel sampling handle (with dust filter, Non-scalable), high temperature sampling and cooling filter handle, high temperature and high humidity pretreatment system, multiple humidity dust filters, lashing rope, CD (upper computer communication software), external micro wireless Bluetooth printer.