Description

Overview

GAOTek Portable Multi Gas Detector can be used in rapid detection of a variety of gas concentration and measurement of environmental temperature and humidity, if the measurement exceeded the limit value, the alarm will emit sound & light vibration as alarm. Adopted 2.31-inch high-definition color screen for real-time display, adopted the gas sensors of industrially well-known brands. The main detection principles include: electrochemical, infrared, catalytic combustion, thermal conductivity, PID photoionization, and so on. Advanced electric circuit design, mature kernel algorithm processing, unique external appearance design, had achieved a number of patents about the software works, external appearance, and so on, suitable for detecting the concentrations of gases in the atmosphere environment in the pipeline or confined space. The purity of the gas leakage and various high concentration single gases with the background gas as nitrogen gas or oxygen gas. The types of gases for detection are more than 500 types.

Features

Simultaneously detects 1 to 4 gases
Switches units
Units:PPM, mg/m3, Vol%, LEL%, PPHM, ppb, mg/l
Built-in pump-suction type measurement
Built-in filter sensors: resist water vapor, high dust
High humidity and high dust environment resistant
Rich man-machine interface
2.31-inch high-definition color screen
Displays real-time concentration
Displays alarm, time, temperature, humidity, storage
Large-capacity data storage function
Supports multiple storage methods
Larger capacity can be customized
RS485 communication is optional
High temperature gas detection
Optional high-temperature sampling
Cooling filter handle
Employs high-temperature, high-humidity pre-treatment system
Higher temperature gas detection can be customized
Switches among three display modes
Graphical display
Graphically represent gas concentration trends with time-based curve

Technical specifications

Gases to be Detected	Arbitrary combination of 1 to 4 types of gases such as toxic gases, oxygen gas, carbon dioxide,inflammable and explosive gases, TVOC, and so on Optional configuration: temperature and humidity measurements.
Application Scenarios	Petroleum, chemical, pharmaceutical, environmental protection, flue gas analysis, air treatment and other occasions where gas concentration needs to be detected.
Detection Range	0 ppm to 10 ppm, 100 ppm, 1000 ppm, 5000 ppm, 50000 ppm, 100000 ppm, 200 mg/L, 100 % LEL, 20 %, 100 % vol can be selected and other ranges can be customized.
Resolution	0.01 ppm or 0.001 ppm (0 ppm to 10 ppm); 0.01 ppm (0 ppm to 100 ppm), 0.1 ppm (0 ppm to 1000 ppm), 1 ppm (0 ppm to 10000 ppm or more), 0.01 mg/L (0 mg/L to 200 mg/L), 0.1 % LEL, 0.01 % vol, 0.001 % vol
Detection Principle	Electrochemical, catalytic combustion, infrared, thermal conductivity,PID, photoionization, and so on depending on the type of gas, field environment and user demand
Sensor Life	Electrochemical priciples: 2 years to 3 years, Oxygen: 2 years or 6 years can be selected; Infrared principles: 5 to 10 years, Catalytic combustion: 3 years Thermal conductivity: 5 years, PID, photoionization: 2 to 3 years
Detection Method	Built-in pump suction type measurement, and flow rate 500 ml/min, the flow rate should be greater than 500 ml/mi, three-way pipe to ensure that excessive gas would be discharged from bypass
Display method	2.31 inch high-definition color screen
Maximum Allowable Error	≤ ± 3 % FS
Alarm Mode	It is possible to set as sound and light alarm, vibration alarm, visual alarm, sound and light + vibration + visual alarm, turning off the alarm
Power Supply	3.6 V DC, 4500 mA high capacity rechargeable polymer battery
Use Environment	built-in filter can be used in high humidity or high dust environment
Data Storage	Standard configuration is the data storage of 100,000 entries
Linearity	≤ ± 2 %
Recovery Time	T90 ≤ 30 s
Relative Humidity	≤ 10 % RH to 95 % RH (built-in filter can be used in high humidity or high dust environment)
Humidity Precision	3 % RH
Humidity Measurement	0 % RH to 100 % RH
Linearity	≤ ± 2 %
Response Time	T90 ≤ 30 s
Storage	The storage function is off by default, and can be set to on, and the storage time interval can be set arbitrarily.
Communication Interface	USB (charging and communication) Optional: RS485 communication interface
Interface Language	Chinese or English can be set
Protection Level	IP65
Standard Accessories	Manual qualification certificate, warranty card, USB charger (including the cable), high grade aluminum instrument case, belt clip, humidity dust filter
Optional Accessories	Temperature and humidity measurement function, 1.2 m retractable sampling probe (1 m to 10 m hose) standard length (1 meter)), 0.4 meter stainless steel sampling handle (with dust filter, not retractable), high temperature sampling probe and cooling filter high temperature and high humidity pretreatment system,humidity dust filter, hanging rope, CD ROM, upper level computer communication software
Explosion-Proof Type	Intrinsically safe type
Explosion-Proof Mark	Exia ll CT6
Sample Temperature	-40 °F to 158 °F (-40 °C to 70 °C) optional with extra charge high temperature sampling probe, can detect the flue gas concentration of 768.2 °F (400 °C) or higher
Temperature Measurement	-40 °F to 248 °F (-40 ℃ to 120 ℃)
Temperature Measurement Accuracy	32.9 °F (0.5 ℃)
Dimensions	6.29 in x 2.75 in x 1.10 in (160 mm x 70 mm x 28 mm)
Weight	0.66 lbs (300 g)