Velleman Instruments HPS40 - Calibration Procedure - Steps 2-5; Step 2: High Level Transient Calibration; Step 3: AD;DC Signal Test; Steps 4-5: Voltage Calibration

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HPS40 Technical Doc

Press RIGHT ARROW KEY,

STEP 2, High level transient

Connect the (x1) probe to the

scope probe test output,

If necessary adjust CV2 until

pass is displayed

See trimmer location

Press RIGHT ARROW KEY,

STEP 3, AD/DC Test

Signal should jump up and

down.

No adjustment, if fail, check cir-

cuit around relay RY1

Press RIGHT ARROW KEY,

STEP 4, 1V/div calibration

Connect the (x1) probe with a

3.4Vdc supply

If necessary adjust RV2 until

pass is displayed

Press RIGHT ARROW KEY,

STEP 5, 0.2V/div calibration

Connect the (x1) probe with a

0.7Vdc supply

If necessary adjust RV1 until

pass is displayed