Product specifications, 1. list of specifications, Japanese specifications – RKI Instruments GX-8000(PT0-098) User Manual
Page 48

9 Product Specifications
9-1. List of specifications
GX-8000
- 48 -
9
Product Specifications
9-1. List of 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
0 to 25 vol%
0 to 100% LEL (NC)/
to 100 vol% (TE)
0 to 30 ppm
0 to 150 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
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.