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CHAPTER 7
7. Calibration
7.1 Calibration Overview
All calibrations are done with the case closed. The instrument is calibrated
by changing the internally stored digital calibration constants. All
calibrations may be performed locally or remotely.
7.1.1 Environmental Conditions
Calibrate this instrument under laboratory conditions. We recommend
calibration at 25
°
C
±
1.0
°
C. When necessary, however, the 5600 may be
calibrated at its intended use temperature if this is within the specified
operating temperature range of 0
°
C to 40
°
C.
7.1.2 Warm-Up
The 5600 should be allowed to warm up for at least 1 hour before
calibration.
7.2 Laser Calibration
This chapter describes how to calibrate the 5600 laser drivers.
7.2.1 Recommended Equipment
Recommended test equipment for calibrating the driver is listed in Table 1.
Equipment other than that shown in the table may be used if the
specifications meet or exceed those listed.
Description
Mfg./Model Specification
DMM HP 34401A
DC Amps @ 1.0A):
±
1%
Resistance (@ 10 ohms):
0.02%
Shunt High Power,
Low Temperature
Coefficient
100mV at 200A
Optical Isolator NEC PS2501-1 or equivalent, 6-pin
Connectors D-sub, high power 9-pin male, 5-pin high power
Table 2 - Recommended Test Equipment
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