C A L I B R A T I O N A N D T R O U B L E S H O O T I N G
Calibration Overview
136
LDC-3700C Series
C H A P T E R
5
monitor feedback ammeter, and calibrating the forward voltage measurement.
The current limits are calibrated internally by the instrument as part of the
calibration process.
Your LDC-3700C Series Controller can be calibrated with the case closed.
Calibrate the instrument every 12 months or whenever performance verification
indicates that calibration is necessary, such as differences between set point and
measurement display values which exceed the accuracy specification. Calibrate
the instrument under laboratory conditions. ILX recommends calibration at 23°C,
±1.0°C. When necessary, however, the LDC-3700C Series Laser Diode Controller
can be calibrated at its intended use temperature if this is within the specified
operating temperature range of 0-50
C.
Finally, the LDC-3700C Series Laser Diode Controller should be allowed to warm
up for at least 1 hour before calibration.
Recommended Equipment
Recommended test equipment for calibrating the LDC-3700C Series Laser Diode
Controller is listed in Table 5.1. Equipment other than that shown in the table may
be used if the specifications meet or exceed those listed.
You must connect various loads and circuits to the outputs of each controller for
the calibration procedure. A schematic is shown in Figure 5.1 for the photodiode
Table 5.1
Recommended Test Equipment
Description
Mfg./Model
Specification
DMM
HP 3457A
DC Amps (@ 1.0 A): ±0.02 %
Resistance (@ 10 W): ±0.02 %
0.1 mA or 0.1 mV resolution
Summary of Contents for LDC-3700C Series
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Page 10: ...L I S T O F TA B L E S viii LDC 3700C Series...
Page 78: ...RE M O T E O PE R A T I ON Command Syntax 62 LDC 3700C Series C H A P T E R 3...
Page 150: ...C O M M A N D RE F E R E N C E Command Reference 134 LDC 3700C Series C H A P T E R 4...