RKI Instruments GD-70D4A-XX - Manual (Page 4)

1 • Model GD-70D4A-XX Sample Draw Transmitter
Overview
This supplement describes the differences and additional features of the Model GD-70D4A-XX
compared to the GD-70D. It also describes how to install, startup, maintain, and calibrate the GD-
70D4A-XX. See the GD-70D Operator’s Manual for information specific to the GD-70D.
Specifications
Table 1 lists specifications for the GD-70D4A-XX.
WARNING: When using the GD-70D4A-XX, you must follow the instructions and
warnings in this manual to assure proper and safe operation of the
GD-70D4A-XX and to minimize the risk of personal injury. Be sure to
maintain and periodically calibrate the GD-70D4A-XX as described in this
manual.
Table 1: Specifications
Target Gas & Detector Range Refer to the RKI Instruments Inc. List of Detectable Gasses
Enclosure Type NEMA 4X
Sampling Method Sample-draw
Input Power 115/220 VAC
Signal Output 4 to 20 mA
Response Time 90% in 60 seconds
Accuracy See GD-70D manual
Flow Rate Approximately 0.5 liters/minute
Recommended Sample Tubing 1/4” O.D. x 1/8” I.D. Teflon PTFE