Draper 400 Series Multimeters

About This Product

This document provides essential information for the safe and effective operation of the Draper 400 Series Multimeters (Models 41823 and 41824). It covers product specifications, operating instructions, safety precautions, and maintenance guidelines. Please read this manual carefully and keep it for future reference.

Key Features & Specifications

The Draper 400 Series Multimeters are designed for a wide range of electrical measurements, including DC/AC voltage, DC/AC current, resistance, diode testing, continuity testing, capacitance, frequency, and temperature. Key specifications include:

• Display: 5999 counts, 3 5/6 digit LCD
• Measurement Methods: Dual integral A/D conversion
• Sampling Rate: Approx. 3 times per second
• Power Source: 6F22 9V battery
• Dimensions: 190mm x 90mm x 55mm
• Weight: Approx. 403g (including battery)

For detailed specifications on each measurement function, please refer to the relevant sections within this manual.

Safety Precautions

Adherence to safety guidelines is crucial when operating this instrument. Always:

• Read and understand all warnings and precautions before use.
• Avoid measuring voltages above 30V or currents above 10mA without caution, and use only approved probes.
• Ensure correct function switch position and test lead connections before measuring.
• Use only supplied test leads or replacements with identical specifications.
• Never replace fuses or batteries with unapproved types.
• Avoid contact with earth during electrical measurements.
• Do not operate in environments with high temperature, humidity, flammable materials, or strong magnetic fields.
• Do not attempt to calibrate or service the instrument yourself.
• Replace the battery when the low battery indicator appears.

Contact & Support

For any product-related queries, service, or warranty information, please contact Draper Tools Limited:

• Address: Hursley Road, Chandler's Ford, Eastleigh, Hampshire, SO53 1YF, UK
• Sales Desk: +44 (0) 2380494333
• Product Helpline: +44 (0) 2380494344
• Website: www.drapertools.com

For the latest version of this manual, visit www.drapertools.com/manuals.