Download OPERATING INSTRUCTIONS DP-151

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8. MODELS AND SERIAL NUMBER
The meter serial number and type number will be found on the label attached to the case.
Explanation of type numbers:
DP-151
Standard one channel meter
-C
Equipped with current source
-S2 Equipped with RS-232C serial interface
-S4 Equipped with RS-485 serial interface
-E2 Equipped with two additional alarm limits
-P24 Power supply 24VDC
-P12 Power supply 12VDC
-XXX Additional operational code number for special applications (XXX=three
letter/number code for explanation see application operating instructions