Cellwatch Frontier System Installation & User Manual
Section I – Installation Guide-21
voltage protection with an external fuse in the harness. The DCM6-L-CC uses 3-amp current to get the
most accurate ohmic value measurement.
DCM6-L-CC Specifications
Description DCM6-L-CC
Environment
Operating temperature 0 to 60ºC
Relative Humidity 5 - 85% non-condensing
Maximum Altitude 3,000 meters (10,000ft)
Power supply full functionality 4 - 9 Volts DC
Protection
Transient suppression 600W
Short circuit protection Internal 4-amp fuse
Reverse polarity protection Any combination
Insulation resistance 1000 MΩs >1Kv
Operating current
Quiescent current 12mA
Sleep current after 25 hours <2ma
During ohmic testing 1.5 amps
Standard Measurement
Characteristics
Range Resolution Accuracy
Ohmic Value 0 to 5mΩ 6.3µΩ 2% +/- 15 µΩ
Enhanced Measurement Characteristics Requires Activation
Ohmic Value 0 - 5mΩ 1µΩ 2% +/- 8 µΩ
Mechanical
Fiber optic range Min: 150mm (6”) to Max: 50meters (150 ft)
Dimensions 4.2" x 3.1" x 0.9" 107mm x 80mm x 23mm
Mounting pads 3M Dual Lock™
Base plate with mounting holes Optional
Base plate with DIN rail mount Optional
Enclosure Material ABS
Wire lead length 40 - 72 inches
DCM5-DS
The DCM5-DS is designed for use in applications with short strings of two, three or four test points.
These applications include 48-volt telecom sites, generator start batteries and any string with four or
less containers. Previously, these installations utilized two DCM units to ensure the resistance of the
charger or parallel strings did not impact Ohmic value readings. The DS stands for dual current sink
which is the technology that allows it to replace two conventional DCMs.
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