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GDR multi-function gas detector
View: Pubdate:2022-04-25


Product overview 

The GDR multi-function gas detector is of military grade EMC module and capable of dealing with harsh field environment disturbance; It's of super black box function with detailed operation and alarm record, overtemperature use record, excess moisture use record and outrange use record. Pumping test and simple pretreatment capacity; Full range temperature and humidity compensation and more accurate measurement accuracy 

Technical indicators 


Detected gas

Combustible gas, poisonous gas and oxygen (refer to attached list of gases for the detail)

Detection principle

Catalytic oxidation, electrochemistry, infrared and PID

Range selection

Consult the manufacturer

Resolution ratio

Based on the measuring range

Accuracy

≤±3FS (normal accuracy) ≤±1FS (high accuracy)

Repeatability

≤1%F.S

Response time

≤3s (T1): ≤15s (T90)

Recovery time

≤20s (T90-T10)

Display mode

320240 high-definition color screen 2.0cun

Visual range

≥10m (5.0 eyesight)

Operating voltage

12-35VDC (typical 24VDC)

System language

Switchable between Chinese (default) and English

Signal output:

(Optional)

Consult the manufacturer for other output mode of three-wire system 4-20mARS-485WIFI2 relay

Environmental requirements

Operating temperature: -40℃50℃

Humidity range: 10%95%RH (without condensation)

Pressure range: 86KPa106KPa

Operating mode

Key

Installation way

Wall-mounted

Quantity of relays

Two pieces (two sets of on-off output 2A30VDC0.6A@125VAC)

Size:

24518585mm (lengthwidth thickness)

Explosion-proof certification

Double explosion-proof standard Exd IICT6

Temperature and humidity compensation

Full range temperature and humidity compensation 


Product model selection

GDR

Multi-function gas online detector

 

 

Detected gas

(Multiple choices, consult the manufacturer for the detail)

 

 

 

 

 

 

 

 

 

 

 

 

 

Detected gas

(Multiple choices, consult the manufacturer for the detail)

01

Carbon oxide CO

02

Oxygen 2

03

Hydrogen sulfide H2S

04

Hydrogen H2

05

Sulfur dioxide SO2

06

Hydrogen peroxide (NO2)

07

Nitric oxide NO

08

Chlorine Cl2

09

Hydrogen chloride HCL

10

Hydrogen phosphide PH3

11

Formaldehyde CH20

12

Ethylene oxide C2H40

13

Hydrazine N2H4

14

Hydrogen NH3

15

Hydrogen chloride HCN

16

Sulfur hexafluoride SF6

17

Silane SIH4

18

Hydrogen peroxide H202  

19

Phosgene COCL2

20

Carbon dioxide (CLO2)

21

Fluorine F2

22

Methane (IR)CH4   

23

Hydrogen selenide SEH2

24

Hydrogen chloride HF

25

Carbon dioxide CO2

26

Ethylene C2H4      

27

Hydrogen bromide HBR

28

Bromine gas BR2

29

Arsenic oxide ASH3

30

Oxygen 3

31

Organic volatile TVOC

32

Combustible gas LEL

Measuring range


L

 0~100%LEL


H

0-25%VOL


F

0~100ppm/0-100mg/m3   


K

0~1000ppm/0-1000mg/m3


W

0~10000ppm/0~10000mg/m3

Output signal


1

RS-485


2

4-20mA


3

0~5/10V


4

Wireless signal

Display and acousto-optic alarm


1

Without display or acousto-optic alarm


2

With display, but no acousto-optic alarm


3

With display and acousto-optic alarm


4

Without display, but acousto-optic alarm

Testing mode


1

Diffusion type


2

Flow-through type (pumping type)


3

Pipeline type


4

Conventional split type (≤30cm)


5

Special split type (≤10cm)

Explosion-proof type


D

Intrinsic safety type


E

Explosion-proof type

Integrated power supply mode


U

Internal battery power supply


V

Battery and 24VDC double selection power supply


S

External 24VDC power supply 


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