RS PRO IIT1601 Insulation Tester, 250V Min, 1000V Max, 4000MΩ Max - RS Calibration

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£285.79

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£342.95

(inc. VAT)

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  • 60 unit(s) ready to ship
  • Plus 18 unit(s) shipping from 04 November 2025
  • Plus 20 unit(s) shipping from 27 January 2026
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RS Stock No.:
123-2328
Brand:
RS PRO
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Brand

RS PRO

Model Number p

IIT1601

Tester Type

Insulation Tester

Minimum Test Voltage

250V

Maximum Test Voltage

1000V

Maximum Insulation Resistance Measurement

4000MΩ

Display Type

LCD

Calibrated

RSCAL

Test Current

1mA

Battery Type

AA

Power Source

Battery

Minimum Operating Temperature

0°C

Maximum Operating Temperature

+40°C

Width

140mm

Length

190mm

Weight

900g

Height

77mm

Dimensions

190 x 140 x 77mm

COO (Country of Origin):
TW

RS Pro Insulation and Continuity Tester


Our RS Pro insulation testers are a must-have to any electrician’s kit. They have multiple features that make them powerful tools. This insulation device is an auto-ranging so saving you time finding the range of what you’re testing. This device also features a large backlit display so you can clearly read all the information you need, effortlessly. This insulation tester uses 8 AA batteries for a prolonged life.

Features and benefits:


• Large LCD display with backlighting to easily see all the relevant information clearly.
• Auto-ranging for a mega ohm range to save time.
• 200mA short circuit continuity current
• Easy to carry package or easy to fit in your toolbox.
• 250V, 500V and 1000V insulation test voltages
• Auto power off after time limit is reached to save battery life
• Continuity beeper
• Operating temperature of 0-40°C
• Lock & hold buttons so you can capture a stable measurement and lock it so you don’t lose it.

FAQ (Frequently Used Questions)


Can you use re-chargeable batteries?
Yes. Re-chargeable batteries will be more efficient for you in the long run.

In the box: All needed test leads, battery and instruction manual.

RS PRO
RS PRO is our own brand range and brings you a wide range of high-quality, great value products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO Seal of Approval if we’re confident of their exceptional quality, which means you can be confident too.

Standards

EN61557 and BS7671 / wiring regulations, EN61010-1 600V CAT III

Supplied with

Test leads, AA batteries (x8), user manual


RS Pro Insulation Testers

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