Owner manual

9 Product Specifications 9-1. List of specifications
GX-8000 - 48 -
9
Product Specifications
9-1. List of specifications
<Japanese Specifications>
Detection principle Galvanic cell type (OS) New ceramic type (NC)/
Thermal conductivity
type (TE)
Electrochemical type
(ES)
Electrochemical type
(ES)
Gas to be detected Oxygen (O2) Combustible (HC, CH4,
and H2)
Hydrogen sulfide
(H2S)
Carbon monoxide (CO)
Detection range
<Service range>
0 to 25 vol%
<to 40 vol%>
0 to 100% LEL (NC)/
to 100 vol% (TE)
0 to 30 ppm
<to 100 ppm>
0 to 150 ppm
<to 500 ppm>
Display resolution 0.1 vol% 1%LEL(NC)/1 vol%(TE) 0.5 ppm 1 ppm
Alarm setpoint 18 vol%(L)
25 vol%(H)
40 vol%(OVER)
10%LEL(1st)
50%LEL(2nd)
100%LEL(OVER)
5 ppm (1st)
30 ppm (2nd)
10 ppm(TWA)
15 ppm(STEL)
100 ppm(OVER)
25 ppm (1st)
50 ppm (2nd)
25 ppm(TWA)
200 ppm(STEL)
500 ppm(OVER)
Accuracy of the reading Within ±0.7 vol% Within ±5%LEL (NC)
Within ±5 vol% (TE)
Within ±1.5 ppm Within ±15 ppm
Response time 90% response: within
20 seconds
90% response: within 30
seconds
90% response: within
30 seconds
90% response: within
30 seconds
Alarm accuracy Within ±1 vol% Within ±25% Within ±3 ppm Within ±30%
Alarm delay time 5 seconds or less 30 seconds or less 15 seconds or less 30 seconds or less
Concentration display LCD digital (seven-segment + Symbol + Bar meter)
Detection method Pump suction type
Suction flow rate 0.75 L/min or more (Open flow rate)
Displays Clock display, battery level display, pilot indicator, and pump driving indicator
Buzzer sound volume 95 dB(A) or higher (30 cm)
Gas alarm display Lamp blinking, intermittent buzzer sounding, and gas concentration display blinking
Gas alarm pattern Self-latching
Fault alarm/self diagnosis System abnormalities, sensor abnormalities, battery voltage drop, calibration failure, and low flow rate
Fault alarm display Lamp lighting, continuous buzzer sounding, and detail display
Fault alarm pattern Self-latching
Transmission
specifications
IrDA (for data logger)
Functions LCD backlight, data logger, peak display, log data display, and pump stop
Power supply Dedicated lithium ion battery unit [BUL-8000(G)]
(Dedicated dry battery unit <AA alkaline dry batteries x 3> [BUD-8000(G)] can also be used.)
Continuous operating time BUL-8000(G): About 12 hours (25°C, no alarm, no lighting, and battery fully charged)
BUD-8000(G): About 6 hours (25°C, no alarm, and no lighting)
Operating temperatures -20 to 50°C
Operating humidities Below 95% RH (Non-condensing)
Structure Drip-proof and dust-proof performances (compliant to IP67 level)
Explosion-proof structure Intrinsically safe explosion-proof structure
Explosion-proof class ExiaIICT4X
Explosion-proof
certification number
No.TC19439
External dimensions Approx. 154 (W) x 81 (H) x 127 (D) mm (projection portions excluded)
Weight About 1.1 kg (when BUL-8000(G) is used) or about 1.0 kg (when BUD-8000(G) is used)
* Specifications subject to changes without notice.