NEP-9500 MANUAL V1.01
Observator Instruments V1.01
Copyright 2017
©
Page 12
Subconn connection
The standard version of the NEP-9500 probes are Glanded cable connectors.
Optional Subconn 6-pin marine connector are also available.
The Pinout configuration of the NEP-9500 is the following:
Surge and Lightning considerations
Surge and lightning protection may also have to be considered given that many installations are “in
the wild”. It is important to note that the NEP-9500 series probes have the stainless steel casing
terminated only to the cable shield. There is no electrical contact between the casing terminated
only to the cable shield. There is no electrical contact between the casing and the probe electronics.
The signal ground (4) and power ground (3) are electrically bound together within the probe.
Subconn Pin
Number
Meaning
Color
#1
Ground
Black
#2
Signal Output
White
#3
Power
Red
#4
Shield
Shield
#5
Signal Output
Orange
#6
Wiper
Blue
