User Manual

Model GD-K77D
Operator’s Manual Description • 4
Description
The Model GD-K77D is designed to measure gas leaks in an industrial setting. Gas leaks
are detected by an internal electrochemical sensor , and the gas concentration is displayed
by a four-digit LED display.
Figure 1: Extern al Component Location
6.05
Cable Bushing
Flo w Meter
Window
SKIP LED
ALM 2 LED
ALM1 LED
PW/TR LED
GAS DETECTOR MODEL GD-K77D
L E D Displ ay
.36
Gas Exhaust , for ø 4 x 6
mm PFTE Tube
Gas Inl e t, for ø 4 x 6
mm PTFE Tube
6
.70
ID Card
Holder
8.0 MA
X
2.80
Cover
Retaining
Screw