Hioki IR4056-21 Insulation tester เครื่องวัดความเป็นฉนวน เมกกะโอมห์ ของแท้รับประกัน 3ปี ราคารวมภาษีแล้วออกบิลได้
Basic specifications (Accuracy guaranteed for 1 year Post-adjustment accuracy guaranteed for 1 year)
Rated output voltage50 V DC125 V DC250 V DC500 V DC1000 V DC
Effective maximum indicated value100 MΩ250 MΩ500 MΩ2000 MΩ4000 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 resistance0.05 MΩ0.125 MΩ0.25 MΩ0.5 MΩ1 MΩ
Overload protection600 V AC (10s)660 V AC (10s)
DC voltage measurement4.2 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 measurement420 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 measurementFor 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)
DisplaySemi-transmissive FSTN LCD with back lighting bar-graph indicator
Response timeApprox. 0.8 second for PASS/FAIL decision (based on in-house testing)
Other functionsLive circuit indicator Automatic electric discharge Automatic DC/AC detection Comparator Drop proof Auto power save
Power supplyLR6 (AA) alkaline batteries ×4 Continuous use: 20 hours (Comparator off backlight off 500 V range no load)
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 mass159 mm (6.26 in) W × 177 mm (6.97 in) H× 53 mm (2.09 in) D 600 g (21.2 oz) (including batteries excluding test leads)
Accessories[IR4056-20] Test lead L9787 ×1 Neck strap ×1 Instruction manual ×1 LR6 (AA) alkaline batteries ×4
[IR4056-21] Test lead set with remote switch L9788-11 ×1 Neck strap ×1 Instruction manual ×1 LR6 (AA) alkaline batteries ×4
#Hioki #IR4056-21 #Insulation #tester
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