RKI Instruments GD-70D Series - Manual (Page 8)

1 Overview 1-3. Product specifications
GD-70D - 8 -
<Specifications for Each Principle>
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%
<accuracy of the
reading>
Within ±0.7 vol%
Alarm delay
time
60 seconds or less *5
Flammable: 30
seconds or less
Toxic: 60
seconds or less
*5
5 seconds or less
*6
Alarm type two-step alarm
(H-HH)
two-step alarm
(L-LL,L-H)
Power
consumption Approx. 1.5 W
(Max. 4 W)
Approx. 2.5 W
(Max. 5 W)
Approx. 1.5 W
(Max. 4 W)
Operating
temperatures
(without
sudden
change)
0-40 °C
Operating
humidity
(without
condensation)
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
*5 By providing the gas 1.6 times the alarm setpoint (excluding delay in the tube and in the
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