MS400 portable toxic and harmful gas detector (built-in pump suction type)

Features of MS400 Toxic and Harmful Gas Detector:

●Waterproof, dustproof, explosion-proof, shockproof, intrinsically safe circuit design, anti-static, anti-electromagnetic interference, passed the national standard test and CPA measurement instrument type approval certification

●Protection level IP65, built-in water vapor and dust filter to prevent damage to sensors and instruments due to water vapor and dust

●Built-in pump suction measurement, quick response, sampling distance greater than 10 meters, special gas path design, optional related accessories can detect negative pressure or positive pressure -0.5 ~ 2 kg of gas, no influence on the measurement result

●The 2.31-inch high-definition color screen displays real-time concentration, alarm, time, temperature, humidity, storage, communication, power, charging status and other information. The menu interface uses high-definition simulation icons to display the function names of each menu

●Large-capacity data storage function, larger capacity can be customized. It supports real-time storage, timing storage, or only storage of alarm concentration data and time, supports viewing and deleting data on this machine, and also uploads data to a computer through the USB interface, and analyzes the data with upper computer software and stores and prints.

●USB charging port, can be charged by computer or power bank, compatible with phone charger, overcharge, overdischarge, overvoltage, short circuit, overheat protection, 5-level accurate power display, support USB hot plug, the tester can be normal when charging Work, optional RS485 communication

●Using 4600mAh large-capacity rechargeable polymer battery, which can work continuously for a long time

●Sound and light alarm, vibration alarm, visual alarm, under-voltage alarm, fault alarm, multi-directional three-dimensional display of alarm status when alarming.

●Alarm value can be set, the alarm mode can be low alarm, high alarm, interval alarm, weighted average alarm

●High-precision temperature and humidity measurement (optional), while temperature compensation is performed on the sensor. The temperature range of the instrument is -40 to 70 degrees, and it can detect 400 degrees of gas. The detection of higher temperature gas can be customized (optional high temperature sampling and cooling (Filter handle or high temperature and high humidity pretreatment system)

●It can be selected to detect 1 to 4 kinds of gases at the same time, and the units can be switched freely. Normal gases do not need to enter the molecular weight. Special gases need to enter the molecular weight to automatically calculate and switch. The units are optional: PPM, mg/m3, Vol%, LEL%, PPHM, ppb, mg/L

●Three display modes can be switched: display the concentration of four gases at the same time, the concentration of a single channel gas and the real-time curve can be displayed in a large font cycle, and the automatic cycle or manual cycle between the channels can be switched. Gas name, you can view the history curve graph.

●Chinese and English interface can be selected, the default Chinese interface, concise Chinese or English operation prompts

●Data recovery function, you can recover selectively or fully, eliminating the worries caused by misoperation

●Zero point automatic tracking, long-term use will not be affected by zero point drift.

●Three-level calibration of the target point to ensure the linearity and accuracy of the measurement, and it can meet the national standards and the standards of the local metrology bureau at the same time.

●Mistaken operation of concentration calibration is automatically identified and prevented, which can avoid defects caused by human factors.

●Real-time detection or timing detection is possible (for the case where the amount of the gas to be measured is relatively small), the pump can be turned off when it is not detected to extend the startup time.

●Can record calibration log, maintenance log, troubleshooting countermeasures, reminder of the expiration of sensor life, reminder of the next concentration calibration time

Technical parameters of MS400 toxic and harmful gas detector:

Detection gas: toxic gas, oxygen, carbon dioxide, flammable and explosive gas, TVOC, etc., any combination of 1 to 4 gases; optional: temperature and humidity measurement. (See the end of the list of common gas types and ranges)

Application occasions: petroleum, chemical, pharmaceutical, environmental protection, gas distribution, storage, flue gas analysis, air treatment and other occasions that require portable and rapid gas concentration detection.

Detection range: 0～1, 10, 100, 1000, 5000, 50000, 100000ppm, 200mg/L, 99%LEL, 20%, 50%, 99%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 (over 0～1000 ppm), 0.01 mg/liter (0～200 % Mg/L), 0.1% LEL, 0.01% Vol, 0.001% Vol.

Detection principle: electrochemistry, catalytic combustion, infrared, thermal conductivity, PID photoion, etc., depending on the gas type, range, site environment and user needs.

Maximum allowable error value: ≤±3%F.S (higher precision can be customized)

Linearity: ≤±2%

Response time: T90≤30 seconds Repeatability≤±2% Uncertainty≤±2%

Working environment: 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 gas temperature: -40℃~+70℃, optional high temperature sampling cooling filter handle, can detect the flue gas concentration at 400 degrees or higher

Temperature and humidity measurement: optional: temperature -40℃~+70℃, accuracy 0.5℃; humidity 0～99%RH, accuracy 3%RH

Power supply: 3.7VDC, 4600mAh high-capacity rechargeable polymer battery

Display mode; 2.31 inch high-definition color screen

Detection method: built-in pump suction measurement, flow rate 500 ml/min. The calibrated flow rate should be greater than 500 ml/min, and a three-way pipe should be connected for diversion to ensure that excess gas is discharged from the bypass.

Alarm mode: sound and light alarm, vibration alarm, sound and light + vibration alarm, close alarm can be set

Alarm volume: 90 ~ 120 decibels.

Communication interface: USB (charging and communication), optional RS485 communication interface

Data storage: standard large-capacity data recording; support for expansion.

Protection level: IP65

Explosion-proof type: intrinsically safe

Explosion-proof mark: Exia IIC T4 Ga Explosion-proof certificate number: CNEx16.3090

Executive standard: GB 15322.3-2019 "Portable combustible gas sensor with a measuring range of 0-99% LEL"

GB 3836.1—2010 "General Requirements for Electrical Equipment for Explosive Gas Atmospheres"

GB 3836.4—2010 "Electrical Equipment for Explosive Gas Environment Intrinsically Safe "i""

Dimensions: 178×67×40mm(L×W×H)

Weight: 300g

Standard accessories: manual, certificate, warranty card, USB charger (including data cable), high-grade aluminum alloy instrument case, back clip, humidity and dust filter

Optional items: temperature and humidity measurement function, 1.2 m retractable sampling handle (1-10 m hose, standard length 1 m), 0.4 m stainless steel sampling handle (with dust filter, not retractable), high temperature sampling cooling filter handle, High temperature and high humidity pretreatment system, multiple humidity and dust filters, lanyard, CD-ROM (host computer communication software)

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