Campbell CR1000 User Manual

Section 7. Installation
Figure 60. Strain-Gage Shunt Calibration Finish
7.9.12.6.4 FieldCalStrain() Quarter-Bridge Zero
Continuing from FieldCalStrain() Quarter-Bridge Shunt Example (p. 226), keep the
249 kΩ resistor in place to simulate a strain. Using the CR1000KD Keyboard
Display or software numeric monitor, change the value in variable Zero_Mode to
1 to start the zero calibration as shown in figure Zero Procedure Start
(p. 227).
When Zero_Mode increments to 6, zero calibration is complete as shown in
figure Zero Procedure Finish
(p. 227).
Figure 61. Zero Procedure Start
Figure 62. Zero Procedure Finish
227

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