Products

Specifications

model

GX-3R

Detection method

Difusion type (changeable to samping type by attaching RP-3R)

Gas alarm indication

Lamp flashing, continuous modulating buzzer sounding, gas

concentration display blinking, vibration Reset operation: self-latching

Fault alarm

System abnormality,sensor abnormality, battery voltage drop, calibration failure.

fault alarm indication

Lamp flashing, intermittent buzzer sounding, detail display, reset operating:self-latching

Display

LCD digital,backlight, operation status, clock, battery level, temperature, peak reading, calibration notification

Buzzer volume

Approx. 95dB (30cm)

Data logger fuction

Maximum number of item  : 3.600 Interval; 5 minutes (adjustable) Communication ssystem:IrDA

Explosion-proof class

Intrinsically safe explosion-proof construction

TIIS

Ex ia IIC T4 Ga

ATEX

II1G Ex da ia ICC T4 Ga / IM1 EX da ia I Ma(with combustible gas sensor)

II1G Ex ia ICC T4 Ga / IM1 EX da ia I Ma(No combustible gas sensor)

IECEx

Ex da ia IIC T4 Ga / Ex da ia I Ma(with combustible gas sensor)

Ex ia IIC T4 Ga / Ex ia I Ma(No Combustible sensor)

Protection level

Equivalent to IP66/68 (2m, 1h)

Power source

Lithium ion rechargeable battery unit, charging time : Approx. 3 hours

Continuous operating time*¹

Long-life battery mode on : Approx. 40 hours (25°C, fully charged, no alarm,no ligthing

Long-life battery mode on : Approx. 25 hours (25°C, fully charged, no alarm,no ligthing

Temperature range/humidity range

−40°C + 60°C ( no sudden changes), 0-95%RH (non-condensation)

External dimensions/weight

Approx. 58mm(W) x 65mm (H) x 26mm (D) (excluding protrusions) / Approx. 100g

Detection Gas

Detection targe gas

Combustibe gas  (HC or CH₄)

Oxygen

Carbone monoxide

Hydrogen sulfide

Detection Principle

New ceramic type

Electrochemical type

Detection range (service range)

0-100%LEL

0-25.0 Vol%                       (-40.0 Vol%)

0-500ppm                                                   (-2.000ppm)

0-100.0ppm                                             (-200.0ppm)

1 digit

1%LEL

0.1Vol%

1ppm

0.1ppm

Gas alarm setpoint

1st alarm : 10%LEL

L alarm : 19.5vol%

1st alarm : 25ppm

1st alarm : 5.0ppm

(can be set by user)

2nd alarm : 20%LEL

LL alarm : 18.0Vol%

2nd alarm: 50ppm

2nd alarm: 30.0ppm

3rd alarm : 50%LEL

H alarm : 23.5Vol%

3rd alarm : 1200ppm

3rd alarm : 100.0ppm

OVER alarm : 100%LEL

OVER alarm: 40.0vol%

TWA alarm : 25ppm

TWA alarm : 1.0ppm

STEL alarm : 200ppm

STEL alarm : 5.0ppm

OVER alarm : 2000ppm

OVER alarm : 200.0ppm