HIOKI IR4053 Insulation Tester

$655.00 Ex GST

Designed and Manufactured in Japan to ensure High Quality Measurements

Measure PV Insulation Resistance Safely, Accurately and Quickly.

Designed for photovoltaic generation systems – measure insulation resistance accurate and safely in just 4 seconds.


Read full description and specs


Measure PV Insulation Resistance Safely, Accurately and Quickly.

Designed for photovoltaic generation systems – measure insulation resistance accurate and safely in just 4 seconds.



Basic Specifications: PVΩ measurement

Accuracy guaranteed: 1 year, Accuracy guarantee period after adjustment made by Hioki: 1 year
Rated output voltage 500 V DC 1000 V DC
Effective maximum indicated value 2000 MΩ 4000 MΩ
Measuring range/ Accuracy 0.200 to 500 MΩ / ±4% rdg.
501 to 2000 MΩ / ±8% rdg.
0.200 to 1000 MΩ / ±4% rdg.
1010 to 4000 MΩ / ±8% rdg.
Other measuring range / Accuracy 0 to 0.199 MΩ / ±2% rdg. ±6 dgt.

Basic specifications: Insulation resistance measurement

Rated output voltage 50 V DC 125 V DC 250 V DC 500 V DC 1000 V DC
Effective maximum indicated value 100 MΩ 250 MΩ 500 MΩ 2000 MΩ 4000 MΩ
1st effective measuring range MΩ
±4% rdg.
0.200 to 10.00
±4% rdg.
0.200 to 25.0
±4% rdg.
0.200 to 50.0
±4% rdg.
0.200 to 500
±4% rdg.
0.200 to 1000
Lower limit resistance 0.05 MΩ 0.125 MΩ 0.25 MΩ 0.5 MΩ 1 MΩ
Overload protection 600 V AC (10 s) 600 V AC (10 s) 600 V AC (10 s) 600 V AC (10 s) 1200 V DC (10 s)
DC voltage range 4.2 V (0.001 V resolution) to 1000 V (1 V resolution), 4 ranges,
Accuracy: ±1.3% rdg. ±4 dgt., (Ranges in excess of 1000 V are not guaranteed for accuracy.)
AC voltage range 420 V (0.1 V resolution)/600 V (1 V resolution), 2 ranges, 50/60 Hz,
Accuracy: ±2.3% rdg. ±8 dgt., (Ranges in excess of 600 V are not guaranteed for accuracy.)
Display Semi-transmissive FSTN LCD with back lighting, Backlight
Response time Insulation resistance range: 1 second, PVΩ function: 4 seconds (based on in-house tests)
Other functions Live circuit indicator, automatic electric discharge, automatic DC/AC detection, comparator, drop proof, auto power save
Power supply AA alkaline batteries (LR6) ×4, Continuous operating time: Approx. 20 hours (based on in-house tests)
Dimensions and mass 159 mm (6.26 in) W × 177 mm H (6.97 in) H × 53 mm (2.09 in) D, Approx. 600 g (21.2 oz) (including batteries, excluding test lead)
Accessories TEST LEAD L9787 ×1, Neck strap ×1, Instruction manual ×1, AA alkaline batteries (LR6) ×4

Additional information

Weight 1.5 kg
Dimensions 30 × 30 × 15 cm

Pickup at a NWI Office Location

If you do not want to pay for delivery or need to receive the item ASAP, you can pick the item up at one of our five (5) Australian offices. Just bear in mind not all offices will have everything in stock. Please call our 1300 669 162 number to see if your item is in stock at your local office.  

Interstate Deliveries:

Delivery costs are based off your location in Australia. NWI Group uses TNT Australia for all domestic deliveries.  

Estimated Delivery Timeframe:

If you opted to collect at a NWI office location, you will receive an email to inform you when your goods are ready for collection. If you opted for delivery, you would receive an email when the goods have been despatched to the couriers with details so you can track your order. We aim to despatch all orders within 1-2 business days. In the unusual event of a delay to the despatch of your order you will be contacted at the earliest opportunity. Once the order has been despatched the estimated delivery time is as follows:
  • Metro (Exclude: Hobart Metro) 1 -2 business day:
  • Hobart Metro 3-4 business days
  • Regional Areas: 3-4 business days:
  • Remote Areas: 6-9 business days
Please note that these delivery timeframes are estimates and are not guaranteed.  

Returns Policy

Changed your mind? No worries. You just need to get the product back to the NWI office it was shipped from (this is on your receipt) within 30 days, unused and in its original packaging and we will give you a refund (excluding delivery costs – terms and conditions apply) Special order items are excluded from this returns policy.

General Data Sheets

Insulation Testers E4-1ZB Series

Wireless Adaptor Z3210

Why Choose NWI?

Since its inception in 1994, NWI Group has been committed to providing a service of quality in the sale, calibration and service of measuring equipment used in laboratories and manufacturing companies. Our strive for continuous improvement is part of our quality policy statement. A family-owned business, we have offices throughout Australia. Our product range covers fine precision measuring equipment to large industrial weighbridges, process instrumentation and automation software. Our calibration services for process and laboratories through our NATA accreditation guarantees our commitment to correct measurement and customer satisfaction.

Our Mission

It is our aim to provide our customers with levels of service that consistently exceed their expectations. This recognises that the customers ongoing, long-term relationship is crucial for business growth and development.

Our Vision

Provide individuals and companies with high quality and reliable measuring equipment, technology, and calibration services now and for future generations.


NATA Accreditation for:
  • Mass & Weighing
  • Volume & Density
  • Electrical Metrology
  • Time & Frequency Metrology
  • Temperature & Humidity Metrology
NMI Trade Measurement Servicing Licence for Weighing & Mass.



Unit 1, 88 Magowar Rd, Girraween, 2145


11/5 Agosta Drive, Laverton North, 3026


3A Wilford Ave, Underdale, 5032


2D/919 Nudgee Road Banyo QLD 4014


1/19 Industry St Malaga WA 6090

Call Us

Phone: 1300 669 162