B - Performance Test and Calibration
4. Turn on the power source. Set the power source voltage and current to the values listed in the following table. | ||||||
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| N3302A | N3303A | N3304A | N3305A | N3306A |
| Power Source Voltage Setting | 61V | 246V | 61V | 152V | 61V |
| Power Source Current Setting | 2A | 0.6A | 3A | 2A | 3A |
5. | Checking high voltage range, high voltage point. Wait 10 seconds then record actual input voltage and front panel |
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| voltage reading on test record card under high voltage range, high voltage. |
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6. | Checking high voltage range, low voltage point. Press [ VOLT ] | [ 3 ] [ Enter ]. Wait 10 seconds, then record actual |
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| input voltage and front panel readings on test record card under high voltage range, low voltage. |
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7. | Checking low voltage range, low voltage point. Press [ VOLT ]. Scroll until display reads V:RANG Press [ 1 ] | [ | ||||||
| Enter ]. Press shift key then [ Sense ] scroll till display reads S:V:RNG, press [ 3 ]. Wait 10 seconds then record actual | |||||||
| input voltage and front panel readings on test record card under low voltage range, low voltage. |
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8. | Checking low voltage range, high voltage point. Press [ VOLT ] [ select voltage from following table ] [ Enter ]. |
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| N3302A | N3303A | N3304A |
| N3305A | N3306A |
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| 6V | 24V | 6V |
| 15V | 6V |
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9. | Wait 10 seconds then record actual input voltage and front panel readings on test record card under low voltage range, | |||||||
| low voltage. |
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CV Mode Regulation Test
This test verifies the Input Voltage remains within specification when the input current is changed from a low current to rated current.
1. | Connect Electronic Load, power source and DVM as shown in figure | ||||||||||||
| to the +/- input terminals and the remote/local button is in the remote position. |
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2. | Turn on the Electronic Load and press [ Recall ]. Scroll until display reads *RST and press [ Enter ]. | ||||||||||||
3. | Press [ Func ]. Scroll until display reads FUNC VOLT, then press [ Enter ]. |
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4. | Press [ Volt ] [ select voltage from following table ] [ Enter ]. |
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| N3302A | N3303A |
| N3304A |
| N3305A |
| N3306A |
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| 5V | 25V |
| 5V |
| 8.3V |
| 5V |
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5. | Turn on power source. Set power source voltage and current to values listed in following table. |
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| N3302A |
| N3303A |
| N3304A | N3305A | N3306A | ||||
| Power Source Voltage Setting | 6V |
| 30V |
| 6.5V | 10V | 6.6V |
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| Power Source Current Setting | 1A |
| 0.4A |
| 1A | 1A | 1A |
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6. | Wait 10 seconds and record input voltage reading. |
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7. | Reset power source current level to value listed in following table. |
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| N3302A |
| N3303A |
| N3304A | N3305A | N3306A | ||||
| Power Source Current Setting | 30A |
| 10A |
| 60A | 60A | 120A |
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8. | Wait 10 seconds and record input voltage reading. |
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9. | Subtract reading in step ‘8’ from reading in step ‘6’. Absolute value of difference should be less then specification. | ||||||||||||
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