Geokon 4500HT, Instruction Manual, Page: 8 / 26

2
2. CABLES
4500HT series piezometers may be delivered with four conductor, 24-gage, Teflon
®
insulated
cable inside stainless steel tubing, or, four conductor, 22-gage mineral insulated cable in a
magnesium oxide jacket with 316 stainless steel sheath. (Sheath wall = 0.76 mm [0.03"].
Nominal O.D. = 4.76 mm [0.1875"]). Both cable types are delivered in coils, and can be
terminated in bare leads (Figure 1), with a connector, a transition to a regular instrumentation
cable (Figure 2), or other termination as determined by the customer. See Table 1 below for
standard wiring.
Figure 1 - Cable Inside Stainless Steel Tubing
Figure 2 - Stainless Steel Tubing with Transition to 02-250V6 Cable
Function 02-156T Cable 02-187MI Cable
Cables that transition to
02-250V6 cable
Vibrating Wire Gage + Red Red Red
Vibrating Wire Gage - Black Black Black
Temperature Sensor White White White
Temperature Sensor Blue Green Green
Cable Shield Shield Shield Shield
Table 1 - Standard Piezometer Wiring