Hioki IR4058 Insulation tester

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


Interface (IR4058 only)
Bluetooth® 4.0LE (Bluetooth® SMART), Supported devices: iOS 8 or later, Android™ 4.3 or later smartphone/tabletGENNECT Cross (free downloadable app) : display measured values, Simple logging function, Hold save function


Power supply
LR6 (AA) alkaline batteries × 4, Continuous use: 20 hours (based on in-house testing), 10 hours (Bluetooth® ON)


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





Countries and regions where wireless operation is currently supported (IR4058)Last up date: May 19, 2017



Wireless certification
Japan, United States, Canada, Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, United Kingdom, Korea, Chile, Thailand, Australia, and New Zealand


Exempt from the wireless regulations
Viet Nam, Hong Kong, Macao, India, Russian Federation, Colombia, Pakistan, Vanuatu, and Peru