B - Verification and Calibration

5.Set the output current to its full scale value (see Table B-2).

6.Divide the voltage drop across the current monitor by its resistance to convert the value to amperes. Record this value and the current reading on the front panel display.

Current Measurement (Low Range)

Action

7.Turn off the dc source and connect it as shown in figure B-1B with the 400 ohm load resistor. Set the DMM to operate in current mode.

8.Turn on the dc source, access the Input menu, and set the current range to LOW.

9.Set the output voltage to 0 V and the current to its full scale value (see table B-2). Press Output On/Off to enable the output.

10.Record the current reading from the DMM as well as from the front panel display. Enter the difference between the two readings in the appropriate table.

11.Set the output voltage to 8 volts.

12.Record the current reading from the DMM as well as from the front panel display. Enter the difference between the two readings in the table.

Readings within high current limits (see tables B-3,4, 5 or 6).

Normal Result

CURR:RANG LOW

Output current near 0 A.

Readings within low current measurement (see table B-3, 4, 5 or 6).

Output current near +20 mA.

Readings within high current measurement (see table B-3, 4, 5 or 6).

Current Sink Measurement

Action

Normal Result

13.Turn off the dc source and connect an external supply to the output of the unit as shown in figure B-1C using a 400 ohm load resistor. Set the DMM to operate in current mode.

14.

Turn on the dc source, access the Input menu, and set the

CURR:RANG LOW

 

current range to LOW.

 

15.

Access the Input menu and set the current sense detector to DC.

CURR:DET DC

16.

Turn on the external supply and program its’output for 8 volts

Output current near − 20 mA.

 

and 1 A. Program the dc source to 0 V and 1 A. Press Output

 

 

On/Off to enable the output.

 

17.

Record the current reading from the DMM as well as from the

Readings within low current

 

front panel display. Enter the difference between the two

sink measurement

 

readings in the table.

(see table B-3,4, 5 or 6).

18.Turn off the dc source and connect the current monitor and external supply to the output of the unit as shown in figure B- 1D. Set the DMM to operate in dc voltage mode.

19.

Turn on the external supply and program its’voltage to 5 volts

Output near − full scale current.

 

and current for the full scale current rating of the UUT. Program

 

 

the dc source to 0 V and full scale current (see table B-2). Press

 

 

Output On/Off to enable the output.

 

20.

Divide the voltage drop across the current monitor by its

Readings within high current

 

resistance to convert the value to amperes. Record this value as

sink measurement

 

well as the current reading on the front panel display. Enter the

(see table B-3, 4, 5 or 6).

 

difference between the two readings in the table.

 

56

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HP 6633B, 6632B, 6631B, 6634B manual Current Measurement Low Range, Current Sink Measurement, Currrang LOW

6631B, 6633B, 6634B, 6632B specifications

The HP 6632B, 6634B, 6612B, and 6633B are high-performance programmable power supplies that have gained prominence in various testing and measurement applications. These models are part of the HP 6000 series, which is renowned for its reliability and versatility in providing precision power supply solutions.

The HP 6632B offers a dual-output capability, delivering up to 32 volts and 3 amps per channel. It is designed for applications requiring stable and accurate voltage and current supplies. With features like overvoltage protection and short-circuit protection, it ensures the safety of both the device under test and the power supply itself. The programmable voltage and current settings allow operators to automate their testing procedures, increasing efficiency.

The HP 6634B takes performance a step further with multiple outputs, providing up to 32 volts and 5 amps per channel. This model is particularly suited for applications requiring higher current, especially in battery testing and device characterization. The ability to program the device remotely adds an extra layer of usability, making it ideal for integration into automated testing environments.

The HP 6612B model is tailored for users who require a compact and portable power supply solution. It delivers up to 20 volts and 2 amps. Despite its smaller size, it retains essential features like programmable settings and fast transient response, making it suitable for both educational purposes and field testing scenarios.

For users looking for a versatile, multi-channel solution, the HP 6633B presents itself as an excellent choice. This model offers up to 32 volts and 5 amps across multiple outputs. It supports a wide range of programmable features and has an intuitive interface, making it user-friendly for both beginners and experienced engineers. The robust design of the 6633B ensures reliable performance in demanding environments.

All four models utilize advanced linear power supply technology that minimizes ripple and noise, which is critical for sensitive electronic components. Together, these power supplies provide professionals in research, manufacturing, and testing with the precision they need for their experiments and product developments. The combination of programmability, safety features, and high-performance specifications makes the HP 6632B, 6634B, 6612B, and 6633B essential tools for electronic engineers and technicians.