What is the CBM MM420 automatic multimeter used for?

The CBM MM420 is designed for electrical diagnostics and troubleshooting in industrial and commercial settings. It measures AC/DC voltage and current up to 10 A, making it suitable for field technicians and maintenance teams diagnosing equipment faults and circuit performance across manufacturing, facilities, and utility operations in Singapore and Southeast Asia.

What are the specifications of the CBM MM420 multimeter?

The CBM MM420 features a maximum AC/DC current range of 10 A on high scale and 400 mA on low scale. It operates on a 9V battery and includes 400 mA/250 V fuse protection for safe measurement in industrial environments. The automatic function simplifies range selection during field diagnostics.

Where can I buy the CBM MM420 multimeter in Singapore?

3G Electric is an authorised CBM multimeter distributor in Singapore. We stock the MM420 (SKU MES40008) and handle full logistics, customs clearance, and delivery across Singapore and the region. Contact us for pricing, lead times, and technical support for your electrical measurement requirements.

How do I maintain and use the CBM MM420 multimeter safely?

Always verify the 9V battery is installed before field use and replace when readings weaken. Ensure the 400 mA/250 V fuse is intact; never bypass it. Avoid measuring circuits exceeding 10 A on the high current range. Store in a dry location away from moisture and impact to preserve measurement accuracy in industrial environments.

CBM Automatic multimeter MM420 - Measurement

Technical Documents

(1)

Technical Document 1

PDF Document

Complete Solution

Need installation, maintenance, or a bundled quote?

Our engineers can help with product selection, system design, installation, and ongoing service — all from one partner.

Product + Service Bundle QuoteQuote

Quick Inquiry

CBMMeasurement

Available to Order

CBM Automatic multimeter MM420

Name: CBM Automatic multimeter MM420
Brand: CBM
SKU: 3G-CBM-04578
Availability: BackOrder

The CBM MM420 is an automatic multimeter for electrical diagnostics and troubleshooting across industrial and commercial applications. It measures AC/DC current to 10 A and operates on a 9V battery, with 400 mA/250 V…

SKU 3G-CBM-04578

Brand

CBM

Item

Automatic multimeter MM420

Technical Specifications

CBM

fuse

400 mA/250 V 

battery

9V

max ac dc current low

400 mA 

max ac dc current high

10 A 

View Full Spec Sheet

Worldwide Shipping

Air & sea freight

Datasheet on Request

Technical specs

1-Day Quote

SG-based team

Qty

WhatsApp Telegram

Create a free account to submit your RFQ and download technical documents.

Not sure this is the right part? Get a recommendation.

Pair with a Service

Installation & Commissioning

Professional setup and verification by our technicians

View

Ongoing Maintenance Plan

Scheduled preventive maintenance for this equipment

View

Product + Service Bundle

Combined quote for equipment, installation, and service

View

Solutions Engineering

Need guidance on product selection or system design?

Contact Our Engineering Team

CBM Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Used in

Common applications for CBM

Industrial boilers — CBM circulation pumps (mod. CM 30W) and solenoid valves (ELV series) for heating-loop control and pump staging.

Burner systems — CBM oil nozzles (FLU atomizer types), electrodes (ELC 200 mm), and solenoid coils (ELV 230V AC) for combustion ignition and flame supervision.

Plant maintenance and retrofit — CBM cable glands (CLI M25), motor couplings (ACC type D), and small-radius fittings (RAC 90°) for equipment reconfiguration and sensor integration.

Boiler water treatment — CBM chlorine test kits (DET free+combined) for feedwater and circulating-water quality monitoring in closed-loop systems.

Pump and motor assembly — CBM couplings, fittings, and cable glands for assembly and rewinding of industrial motors, circulation pumps, and auxiliary equipment.

CBM Products

3G Electric supplies CBM measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all CBM products →Contact our engineers →