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Martindale CM51 Mini Clamp Meter

SKU MAT/CM51 Categories ,
  • Lightweight, compact clamp meter with 300A AC capacity
  • Autoranging functionality for accurate, hassle-free use
  • Robust safety compliance with CAT III 300V rating
  • Convenient features like display hold and auto power-off
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£43.95 (ex VAT)

£52.74 (inc VAT)

Earn 43 – 68 points

In Stock - Express Delivery Available
 
Martindale CM51 Mini Clamp Meter

The Martindale CM51 Mini Clamp Meter is a compact, lightweight solution for accurate AC current measurement, offering an easy-to-use, pocket-sized design. Ideal for professionals on the go, its 27mm jaws can clamp around various wire sizes, making it suitable for a range of electrical tasks. With its autoranging functionality, it ensures accurate and hassle-free measurements up to 300A AC.

Designed for Portability and Precision

Equipped with a 3.5-digit LCD display, the CM51 provides clear and reliable readings at a glance. The display hold feature allows users to temporarily freeze measurements, while the auto power-down function saves battery life during periods of inactivity. Built with a sturdy yet lightweight body, this meter is a reliable addition to any toolkit.

In addition to its practical features, the Martindale CM51 meets rigorous safety standards, including EN 61010-1 and overvoltage CAT III 300V. Whether you’re conducting routine checks or handling specialised electrical tasks, this clamp meter combines convenience, safety, and performance in a single device.

Key Features
  • Pocket-sized clamp meter for maximum portability
  • Measures AC current up to 300A with auto ranging
  • 3.5-digit LCD display for easy readability
  • Display hold function temporarily freezes results
  • Auto power-off feature conserves battery life
  • 27mm jaw opening for various conductor sizes
  • Operates in temperatures from 0°C to 40°C
  • Overvoltage protection to CAT III 300V
  • Supplied with soft case, battery, and instruction manual
  • Lightweight at just 110 grams
What’s Included
  • Martindale CM51 Mini Clamp Meter
  • Soft carrying case
  • 1 x 3V CR2032 battery
  • Instruction manual
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Martindale CM51 Mini Clamp Meter

The Martindale CM51 Mini Clamp Meter is a compact, lightweight solution for accurate AC current measurement, offering an easy-to-use, pocket-sized design. Ideal for professionals on the go, its 27mm jaws can clamp around various wire sizes, making it suitable for a range of electrical tasks. With its autoranging functionality, it ensures accurate and hassle-free measurements up to 300A AC.

Designed for Portability and Precision

Equipped with a 3.5-digit LCD display, the CM51 provides clear and reliable readings at a glance. The display hold feature allows users to temporarily freeze measurements, while the auto power-down function saves battery life during periods of inactivity. Built with a sturdy yet lightweight body, this meter is a reliable addition to any toolkit.

In addition to its practical features, the Martindale CM51 meets rigorous safety standards, including EN 61010-1 and overvoltage CAT III 300V. Whether you’re conducting routine checks or handling specialised electrical tasks, this clamp meter combines convenience, safety, and performance in a single device.

Key Features
  • Pocket-sized clamp meter for maximum portability
  • Measures AC current up to 300A with autoranging
  • 3.5-digit LCD display for easy readability
  • Display hold function temporarily freezes results
  • Auto power-off feature conserves battery life
  • 27mm jaw opening for various conductor sizes
  • Operates in temperatures from 0°C to 40°C
  • Overvoltage protection to CAT III 300V
  • Supplied with soft case, battery, and instruction manual
  • Lightweight at just 110 grams

 

Technical Specifications
FeatureDetails
Numeric Display3.5-digit LCD, 12mm high
Measurement Range (AC Current)10mA to 300A, autoranging
Measurement Resolution10mA, 100mA
Accuracy±1.8% reading ±5 digits
Jaw Opening SizeMaximum 27mm conductor diameter
Operating Temperature0°C to 40°C
Storage Temperature-10°C to 50°C
Operating HumidityLess than 80% RH
Storage HumidityLess than 70% RH
Overload ProtectionUp to 400A AC for one minute
Dielectric Strength3.7kV AC for one minute
Safety ComplianceEN 61010-1, EN 61010-2-032
Overvoltage CategoryCAT III 300V, Class II
EMC ComplianceEN 50082-1, EN 55022
Power Supply1 x 3V CR2032 battery
Power ConsumptionApproximately 5mW
Auto Power OffAfter 12 minutes of inactivity
Dimensions150 x 52 x 24mm
Weight110g
Sampling Rate2.5 times per second
What’s Included
  • Martindale CM51 Mini Clamp Meter
  • Soft carrying case
  • 1 x 3V CR2032 battery
  • Instruction manual

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