INSULATION TESTER IR4057

Home/Insulation Testers Megohmmeters/INSULATION TESTER IR4057

INSULATION TESTER IR4057

5-Range, 50 to 1000V Digital Insulation Tester with Continuity Check

SKU: IR4057 Category:

Model No. (Order Code)

IR4057-20 High-speed model
CE
Guarantee 3 Years
DROP PROOF

 

Description

Hioki insulation testers or megohmmeters feature all-in-one designs including built-in rugged cases and test lead storage compartments. The IR4057 is a 5-range, 50V to 1000V digital insulation resistance tester with bargraph, and delivers efficient functions and features to help shorten work time associated with field insulation testing.
CAT III 600 V

Key Features
• 5-range testing voltage of 50 V/100 MΩ to 1000 V/4000 MΩ
• Digital bar graph
• Stable & high-speed digital readings, 0.3 second response time for PASS/ FAIL decisions
• Drop proof onto concrete from 1m (3.28 feet)
• Bright LED, luminous LCD, test lead with bright LED lamp to illuminate near hand (Option L9788-11 or L9788-10)
• Continuity check via 200 mA testing
• Built in AC/DC voltage meter, useful for testing solar power generation systems and electric vehicles

Product Video

 

How to Use Digital Insulation Resistance Meters - Basic Course

This video explains how to use a digital insulation resistance tester to measure a distribution panel.
※ Shooting was done with Japanese model IR 4052. The global model name is IR 4057.

 

 

Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)

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
Accuracy 1st effective measuring range MΩ ±2 % rdg. ±2 dgt.
0.200 - 10.00
±2 % rdg. ±2 dgt.
0.200 - 25.0
±2 % rdg. ±2 dgt.
0.200 - 50.0
±2 % rdg. ±2 dgt.
0.200 - 500
±2 % rdg. ±2 dgt.
0.200 - 1000
Lower limit resistance 0.05 MΩ 0.125 MΩ 0.25 MΩ 0.5 MΩ 1 MΩ
Overload protection 600 V AC (10s) 660 V AC (10s)
DC voltage measurement 4.2 V (0.001 V resolution) to 600 V (1 V resolution), 4 ranges,
Accuracy: ±1.3% rdg. ±4 dgt., Input resistance: 100 kΩ or higher
AC voltage measurement 420 V (0.1 V resolution) / 600 V (1 V resolution), 2 ranges, 50/60 Hz,
Accuracy: ±2.3% rdg. ±8 dgt., Input resistance: 100 kΩ or higher, Average rectifier
Low resistance measurement For checking the continuity of ground wiring, 10 Ω (0.01 Ω resolution) to 1000 Ω (1 Ω resolution), 3 ranges, Basic accuracy: ±3 % rdg. ±2 dgt., testing current 200 mA or more (at 6 Ω or less)
Display Semi-transmissive FSTN LCD with back lighting, bar-graph indicator
Response time Approx. 0.3 second for PASS/FAIL decision (based on in-house testing)
Other functions Indicate MΩ measurement value after a lapse of one minute, Live circuit indicator, Automatic electric discharge, Automatic DC/AC detection, Comparator, Drop proof, Auto power save
Power supply LR6 (AA) alkaline batteries × 4, Continuous use: 20 hours (based on in-house testing)
Number of measurements: 1000 times (at 5 s ON, 25 s OFF cycle, insulation measurement of lower limit resistance value to maintain nominal output voltage)
Dimensions and mass 159 mm (6.26 in) W × 177 mm (6.97 in) H× 53 mm (2.09 in) D, 640 g (22.6 oz) (including batteries, excluding test leads)
Accessories Test Lead L9787 ×1, Neck strap ×1, Instruction manual ×1, LR6 (AA) alkaline batteries ×4

Catalogs

Catalog: INSULATION TESTER IR4056, IR4057, IR4058

User Guides

Insulation Tester series selection guide

Manuals

INSULATION TESTER IR4056-20,IR4057-20 [5MB]

INSULATION TESTER IR4056-20,IR4057-20 [2MB]

INSULATION TESTER IR4056-20,IR4057-20 [2MB]

INSULATION TESTER IR4056-20,IR4056-21,IR4057-20,IR4058-20 [3MB]

INSULATION TESTER IR4055-11,IR4056-20,IR4056-21,IR4057-20,IR4058-20 [6MB]

Declaration of Conformity

INSULATION TESTER IR4051-10,IR4051-11,IR4052-10,IR4052-11,IR4053-10,IR4053-11,IR4056-20,IR4057-20 [101KB]

Options

L9787 options

 

TEST LEAD L9787

Bundled with alligator clip, 1.2 m (3.94 ft) length

BREAKER PIN L9787-91

For checking breaker terminal, Detachable for tip of the L9787, 48 mm (1.89 in) length, φ 2.6 mm (0.10 in)

Options

 

MAGNETIC ADAPTER 9804-02

Attaches to the tip of cord, black ×1, φ11 mm (0.43 in)

Test leads

Options for the L9207-10 (L9207-10 is a bundled accessory)

 

TEST LEAD SET WITH REMOTE SWITCH L9788-11

Bundled with Test Lead with Remote Switch L9788-10/ Earth lead, alligator clip, 1.2 m (3.94 ft) length

TIP PIN L9788-90

Spare parts for tip of the L9788/ L9788-10, Tip length 35 mm (1.38 in)

BREAKER PIN L9788-92

For checking breaker terminal, Detachable for tip of the L9788-10, 65 mm (2.56 in) length, φ 2.6 mm (0.10 in)

TEST LEAD WITH REMOTE SWITCH (RED) L9788-10

Lighting LED lamp & comparator indicator (Operate only when main unit provides a comparator function), 1.2 m (3.94 ft) length

How to Properly Test Light Switches 

Measure the Insulation Resistance of Electric Vehicles 

There are no drivers, firmware or software available for this product.

Translate »