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Martindale CB12 Calibration Checkbox

SKU
MARCB12
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100
£60.18 £50.15
Lead Time: 1-6 Days Free UK Delivery* Delivery Options

UK - Zone 1 Orders

England, Wales & most of Scotland.

Free 3-5 Working Day1
Orders Over £99 & Selected Items

Economy 2-3 Working Day1
From £1.95

Tracked 2-3 Working Day
£4.95

Express Next Working Day
£7.95

Priority Next Working Day
£14.95 (Pre-Noon)
£19.95 (Pre-10:30am)

Saturday & Sunday
£14.95 (Pre-Noon)

UK - Zone 2 Orders

Highlands, Islands & Northern Ireland.

Free 3-5 Working Day1
Selected Items (Calculated at Checkout)

Economy 2-3 Working Day2
From £1.95

Tracked 2-3 Working Day
£9.95

International Orders

Delivery is calculated at checkout.


Note: Next day delivery is not guaranteed for orders placed after 3:00pm. Prices Ex VAT.

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Need a reliable way of checking the accuracy of your electrical testers in the time period between official calibration? The Martindale CB12 calibration checkbox is what you're looking for.

Compatible with multimeters, insulation testers, multifunction clamp meters and other test instruments which use resistance as part of their measurement capabilities, the Martindale CB12 Calibration Checkbox checks the resistance/continuity readings of these instruments to verify ongoing accuracy.

Ideal for use both in the workshop and when on site, the CB12 is designed with simplicity in mind. Just connect the instrument under test via the 4mm terminals on the front of the checkbox, select a resistance value with the rotary dial and set your tester to the relevant range.

Martindale CB12 Calibration Checkbox Key Features

  • Portable checkbox for checking the accuracy of electrical testers such as multimeter, clamp meters and insulation testers
  • Selectable resistance range - 0.5Ω, 1Ω, 2Ω, 20Ω, 200Ω, 1kΩ, 10kΩ, 20kΩ, 100kΩ, 1MΩ, 2MΩ, 10MΩ
  • 4mm terminals for connection to your instruments
  • Rotary dial selection
  • Max voltage input of 1000V DC
Part CodeMARCB12
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