Campbell CR1000 User Manual

Section 8. Operation
Table 74. Auto Calibration Gains and Offsets
Status Table
Element
Descriptions of Status Table Elements
Differential (Diff)
Single-Ended (SE)
Offset or Gain
±mV Input
Range
Integration
CalSeOffset(16) SE Offset 25 50 Hz Rejection
CalSeOffset(17) SE Offset 7.5 50 Hz Rejection
CalSeOffset(18) SE Offset 2.5 50 Hz Rejection
CalDiffOffset(1) Diff Offset 5000 250 ms
CalDiffOffset(2) Diff Offset 2500 250 ms
CalDiffOffset(3) Diff Offset 250 250 ms
CalDiffOffset(4) Diff Offset 25 250 ms
CalDiffOffset(5) Diff Offset 7.5 250 ms
CalDiffOffset(6) Diff Offset 2.5 250 ms
CalDiffOffset(7) Diff Offset 5000 60 Hz Rejection
CalDiffOffset(8) Diff Offset 2500 60 Hz Rejection
CalDiffOffset(9) Diff Offset 250 60 Hz Rejection
CalDiffOffset(10) Diff Offset 25 60 Hz Rejection
CalDiffOffset(11) Diff Offset 7.5 60 Hz Rejection
CalDiffOffset(12) Diff Offset 2.5 60 Hz Rejection
CalDiffOffset(13) Diff Offset 5000 50 Hz Rejection
CalDiffOffset(14) Diff Offset 2500 50 Hz Rejection
CalDiffOffset(15) Diff Offset 250 50 Hz Rejection
CalDiffOffset(16) Diff Offset 25 50 Hz Rejection
CalDiffOffset(17) Diff Offset 7.5 50 Hz Rejection
CalDiffOffset(18) Diff Offset 2.5 50 Hz Rejection
Table 75. Calibrate() Instruction Results
Array
Cal()
Element
Descriptions of Array Elements
Typical Value
Differential (Diff)
Single-Ended (SE)
Offset or Gain
±mV Input
Range
Integration
1 SE Offset 5000 250 ms ±5 LSB
2 Diff Offset 5000 250 ms ±5 LSB
3 Gain 5000 250 ms –1.34 mV/LSB
4 SE Offset 2500 250 ms ±5 LSB
5 Diff Offset 2500 250 ms ±5 LSB
6 Gain 2500 250 ms –0.67 mV/LSB
7 SE Offset 250 250 ms ±5 LSB
8 Diff Offset 250 250 ms ±5 LSB
9 Gain 250 250 ms –0.067 mV/LSB
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Campbell CR1000 Specifications

General

Power Requirements	9.6 to 16 VDC
Data Logger Operating System	CRBasic
Memory	4 MB
Analog Inputs	16 single-ended or 8 differential
Analog Input Resolution	13 bits
Analog Input Range	+/-2.5V
Digital I/O	8
Pulse Counters	2
Communication Ports	RS-232
Operating Temperature	-25°C to +50°C
Pulse Channels	4