BECKMAN 3020
From Self-sufficiency
Handheld digital multimeter.
Brand | Beckman | |||||
Model | 3020 | |||||
Counts | 1.999 | |||||
Display | LCD | |||||
Year | 1981 | |||||
Range | Stability [ppm] | |||||
Low | High | Resolution | 1y | |||
DC Volt | 200m | 1500 | 100u | 1000 | ||
AC Volt | 200m | 1k | 100u | 6000 | Max Frequency | 10k |
Resistance | 200 | 20M | 100m | 2000 | ||
DC Current | 200u | 10 | 100n | 3500 | ||
AC Current | 200u | 10 | 100n | 9000 |
Notes (from the label on the underside)
- Only use a fuse of the type AGX 2A/250V.
- Remove the test wires before opening the cover.
- Do not operate with the cover open.
- OL: Overload, change to a higher range.
- Diode test: Vohm is positive.
Changing the battery
- When the battery voltage is low the decimal coma flashes.
- Turn off the instrument.
- Remove the cover and use a standard 9V battery.