Specifications for each principle – RKI Instruments GD-70D Series User Manual
Page 8

1 Overview
1-3. Product specifications
GD-70D
- 8 -
ESU
ESU
+PLU
*1
SSU
+PLU
*1
SGU OSU
*2
Detection
principle
Electrochemical
type
Electrochemical
type
Pyrolysis-
particle type
Semiconductor
type
Galvanic cell
type
Gas to be
detected
Toxic gas *3
NF3
TEOS
Flammable gas
Toxic gas
Oxygen
Detection
range
Depending on
the gas to be
detected
0-30ppm 0-15ppm
Depending
on
the gas to be
detected
0-25vol%
Detection
system
Pump suction
type
Pump suction type/pyrolysis
type
Pump suction type
Alarm
setpoint
Depending on
the gas to be
detected
10ppm(1st)
20ppm(2nd)
10ppm(1st)
10ppm(2nd)
Depending on
the gas to be
detected
18vol%(1st)
18vol%(2nd)
Alarm
accuracy
Within
±30% *4
Flammable:
within
±25%
Toxic: within
±30%
*4
Within
±1 vol%
reading> Within ±0.7 vol% Alarm delay 60 seconds or less *5 Flammable: 30 5 seconds or less *6 Alarm type two-step alarm (H-HH) two-step alarm (L-LL,L-H) Power Approx. 1.5 W (Max. 4 W) Approx. 2.5 W (Max. 5 W) Approx. 1.5 W (Max. 4 W) Operating 0-40 °C Operating 30-70%RH 30-80%RH Below 95%RH *1 Pyrolyzer unit combination specification. For information on the specifications of the pyrolyzer unit (PLU-70), see the individual operating manual. *2 Oxygen deficiency specification. For information on other specifications (oxygen leak specifications), please contact us. *3 The operating temperatures/humidity may be different depending on the gas to be detected. *4 To the alarm setpoint communication) *6 By letting the detector detect the gas of 10 - 11 vol% (excluding delay in the tube and in the communication). Within 30 seconds for 90% response
time
seconds or less
Toxic: 60
seconds or less
*5
consumption
temperatures
(without
sudden
change)
humidity
(without
condensation)
*5 By providing the gas 1.6 times the alarm setpoint (excluding delay in the tube and in the