Calibration
61
Calibration
Run calibration when the output exceeds the
specification, or when the functionality check
(page34) fails. To get the optimal result, make
sure PSH is powered for at least 30 minutes
before the calibration.
Setup
Calibration Preparation ............................. 62
Entering calibration mode ......................... 63
Calibration
Output Voltage calibration......................... 64
Output Current calibration......................... 66
OVP Calibration ....................................... 68
PSH User Manual
62
Calibration Preparation
Calibration
condition
• At least 30 minutes of warm-up time
• Temperature: 23 ± 5 °C
• Relative Humidity: ≤ 80%
Calibration
items
• Minimum/ Maximum Output Voltage
• Minimum/ Maximum Output Current
• OVP functionality
Digital
Multimeter
• DC Voltage Accuracy: <±0.1%
• Recommended model:
GDM-8245, GDM-8246
Current Shunt • Current range: >100A
• Accuracy: <±0.1%
PSH – Current
Shunt cable
• Voltage rating: >70V
• Current rating: >100A
Calibration
Equipment
Multimeter –
Current Shunt
cable
• N/A
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