User Manual

Model GD-70D4H-XX Sample Draw Transmitt er • 2
Description
This section describes the components of the GD-70D4H-XX. It consists of the enclosure, a
GD-70D and a power supply mounted inside, and a horn/strobe mounted on the top
right side of the enclosure. Th e “XX” in th e part number r epr esents a number that den otes
the target gas and changes depending on the target gas. The “H” denotes that the unit
runs fr om AC po wer and that a horn/str obe is installed. For example, the part number fo r
a detector head for ozone (O
3
) detection is GD-70D4H-O3. Consult RKI Instruments, Inc.
for a complete list of available part numbers.
A hydrophobic sample filter is also provided with the GD-70D4H-XX f or installation at
the inlet fitting. The filter h as push fittings for 1/4 inch O.D. t eflon tubing an d can be
connected to the short tubing stub on the GD-70D4H-XX inlet fitting. The filter scrubs
particulates out of the sample stream and keeps water and many other liquids from
entering the GD-70D4H-XX flow sy stem.
Figure 1: Co mp on ent Location
Exha us t Fitt ing
Tubing Stu b
Inlet Fitting
100- 240 VA C
H GN
3/4" Cond ui t
Hub, 2X
Ho rn/Strobe
GD-70D Detect or
NEMA 4X Enclosur e
(Cover no t shown)
AC in Terminal
Power Supply