TGas-1021 Toxic,Harmful Gas Transmitter

TGas-1021 Toxic,Harmful Gas Transmitter

Model No.︰TGas-1021

Brand Name︰GRAIGAR OR OEM

Country of Origin︰China

Unit Price︰US $ 850 / pc

Minimum Order︰1 pc

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Product Description

TGas-1021 Toxic,Harmful Gas Transmitter

Brief introduction
TGas-1021 Series Toxic and Harmful Gas Transmitter with two-wire system has embedded microprocessor, it can continuously measure the site gas concentration, and convert the concentration signal into 4~20mA output. It is extensively applied in petroleum, petrochemistry, chemical industry, gas, coal, metallurgy and electric power; safety detection in municipal administration, communication and traffic tunnel construction; electronics, semiconductor industry and other places with poisonous and harmful gases, etc.

Main features
l Quick response speed
l Automatic modification of zero drift
l Intrinsic safety certification
l With infrared remote control, it can be set without opening cover
l High measurement accuracy
 
Technical parameters

 

Parameter
Characteristics
Detection
Single gas detector
Operation
Push-key or remote controller
Calibration
Users can perform linear calibration operation
Sensor
Plug-in electrochemical sensor
Display
Six- segment code liquid crystal digit-display reading
Reading
Display gas composition/concentration after starting up self-checking
Output signal
Output 16-bit precision 4-20mA current by means of two-wire system, and the output size can be defined by users
Working temperature
-30℃ to 60℃, humidity below 85% (no condensation)
Operating voltage
24V
Precision
Measurement error <5%, repeatability <3%
Impedance
200 ohm
Measurement category and range
Refer to table of lectotype
Service life of sensor
Poisonous gas ≥3 years, oxygen ≥2 years, ammonia ≥1 year
Power supply of detector
Power shall be supplied to the detector by safety grid, explosion-proof mark of safety grid: ExiaⅡC
Intrinsic safety parameter of safety grid: Um:250V Uo:28V Io:93V Po:0.65W
Lo:2.4mH Co:0.03μF
 
 

 

 
 
Table of lectotype for detecting gas (part of gas)
 

 

Model
Instrument description
TGas-1021-CO-1000
CO detector (range: 0-1000ppm) ex-factory setting current low point 0, high point 1000
TGas-1021-CO-500
CO detector (range: 0-500ppm) ex-factory setting current low point 0, high point 500
TGas-1021-H2S-100
H2S detector (range: 0-100ppm) ex-factory setting current low point 0, high point 100
TGas-1021-SO2-100
SO2 detector (range: 0-100ppm) ex-factory setting current low point 0, high point 100
TGas-1021-CL2-50
Cl2 detector (range: 0-50.0ppm) ex-factory setting current low point 0, high point 50
TGas-1021-HCN-30
HCN detector (range: 0-30.0ppm) ex-factory setting current low point 0, high point 30
TGas-1021-NO2-100
NO2 detector (range: 0-100ppm) ex-factory setting current low point 0, high point 100
TGas-1021-NH3-100
NH3 detector (range: 0-100ppm) ex-factory setting current low point 0, high point 100
TGas-1021-PH3-5
PH3 detector (range: 0-5.0ppm) ex-factory setting current low point 0.00, high point 5.00
TGas-1021-O3-1
O3 detector (range: 0-1.0ppm) ex-factory setting current low point 0.01, high point 1.00
TGs-1021-ClO2-1
ClO2 detector (range: 0-1.0ppm) ex-factory setting current low point 0.00, high point 1.00

 

Executed standard
Note: GB standard is Chinese National Standard
GB12358-2006 Gas monitors and alarms for workplace--General technical requirements
GB3836.4-2000 Electrical apparatus for explosive gas atmospheres--art 4 intrinsic safety "i"
GB3836.1-2000 Electrical apparatus for explosive gas atmospheres--Part 1 General requirements
Explosion-proof mark: ExiaIICT3, it applies to 0 zone, 1 zone and 2 zone, the place that contains IIA~IIC category and T1~T3 group of explosive gas mixture, and is qualified to get explosion-proof conformity certificate through inspection by CQST.

Payment Terms︰ TT/LC/WU/PAYPAL