Fluke 15B+/17B+/18B+ Digital Multimeter
Safety information and technical specifications for the Fluke 15B+, 17B+, and 18B+ digital multimeters, covering usage guidelines, maintenance, and compliance.
Table of contents
Product Overview
The Fluke 15B+, 17B+, and 18B+ are professional-grade digital multimeters designed for accurate electrical measurements. These devices are built to meet rigorous safety standards for industrial and commercial use.
Safety Information
To prevent electric shock, fire, or physical injury, users must adhere to the following safety protocols:

- Read all instructions carefully before use.
- Inspect the device housing and test leads for damage or missing insulation before every use.
- Do not use the device in environments with explosive gases, vapors, or in wet/damp conditions.
- Use only appropriate measurement categories (CAT), voltage, and current-rated test leads.
- Always keep fingers behind the finger guards on the probes.
- When measuring current, disconnect power to the circuit before connecting the meter in series.
- Ensure the device is functioning correctly by testing it on a known voltage source before critical measurements.
- Do not exceed the nominal voltage ratings between terminals or between any terminal and ground.
Operation and Maintenance
Proper maintenance ensures the longevity and accuracy of your multimeter:
- Replace batteries immediately when the low battery indicator appears to prevent inaccurate readings.
- Remove batteries if the device will not be used for an extended period or stored in temperatures above 50°C.
- Use only specified replacement fuses with the correct amperage, voltage, and interrupt ratings.
- Disconnect all test leads and input signals before opening the battery cover or housing.
- In case of battery leakage, repair the device before further use.
Technical Specifications
Key technical parameters include:
- Maximum Voltage: 600V between any terminal and ground; 1000V between V-COM terminals.
- Operating Temperature: 0°C to 40°C.
- Battery Type: 2 AA, IEC LR6.
- Protection Rating: IP 40 (IEC 60529).
- Safety Standards: IEC 61010-1 (Pollution Degree 2), IEC 61010-2-033 (CAT III 600V, CAT IV 300V).
Disposal
This product complies with WEEE directives. Do not dispose of this electronic device with unsorted municipal waste. Utilize local recycling programs for proper disposal.
Related manuals
Related manuals from the same brand or category.