Key facts
- Brand
- Fluke
- Model
- 18B
- Category
- multimeter
- Industry
- Electronics
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2023-10-15
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Fluke 18B Digital Multimeter User Manual
The Fluke 18B is a 4,000-count digital multimeter designed for measuring AC and DC voltage, current, resistance, capacitance, diode voltage, and LED forward voltage. It features both manual and auto-range selection, a data hold function, and a battery saver mode that activates after 30 minutes of inactivity. The device complies with IEC 61010-1 standards for Measurement Categories II (1000 V) and III (600 V).
Read onlineFluke 18B specifications
| Display | 4,000 counts |
|---|---|
| Operating Temperature | 0 °C to 40 °C |
| Battery Life (Alkaline) | 500 hours |
| Dimensions | 180 mm x 89 mm x 51.5 mm |
| Weight | 425 grams |
All Fluke 18B documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum voltage rating for the Fluke 18B?
The meter complies with Measurement Category II at 1000 V and Measurement Category III at 600 V.
How long does the battery saver mode last?
The meter enters sleep mode and blanks the display if unused for 30 minutes.
What safety standards does the Fluke 18B comply with?
It complies with IEC 61010‑1:2001, CAT II 1000 V and CAT III 600 V safety standards.
How does the battery power‑saving mode work?
If the meter is idle for 30 minutes it enters a sleep mode with a blank display; pressing any button or rotating the switch wakes it.