The Hioki 3490 insulation testers or megohmmeters features all-in-one designs including built-in rugged cases and test lead storage compartments.
The 3490 is a 3-range, 250/500/1000V analogue insulation resistance meter with efficient functions and features to help shorten work time associated with field insulation testing.
CAT III 600 V
Key Features
• 3-range testing voltage of 250/500 V (insulation resistance testing up to 100 MΩ), and 1000 V (insulation testing up to 4000 MΩ)
• Continuity check at 3 Ω range via 200 mA testing
• Bright LED luminous scale
• Check for live circuits and battery status
Hioki 3490 Specifications
| Power source | Rated power voltage: 1.5 V DC × 4, LR6 alkaline battery × 4 |
| Continuous operating time | Approx. 20 hours (at 500 V range, no load) |
| Rated Output | 250V / 500V / 1000VDC |
| Operating Temperature & Humidity | 0 to 40°C (32 to 104°F), 90%RH or lower (non-condensating) 40 to 50°C (104 to 122°F), at 50°C and below relative with linear decrease up to 50%RH |
| Storage Temperature & Humidity | 32 to 122°F (0 to 50°C), 90%RH or lower (non condensating) |
| Maximum rated voltage to earth | 600 V AC, Measurement Category Ш, Anticipated Transient Overvoltage: 6000 V |
| Dielectric strength | 5312 V AC, 50/60 Hz, Measurement terminals – electrical enclosure, current sensitivity 1 mA |
| Standards | Safety EN61010, EMC EN61326, EN61557-1/-2/-4 |
| Drop Proof | On concrete: 1m/1 time |
| Dimensions (excluding protrusions) | Approx. 6.26″W × 6.97″H × 2.09″D (159W × 177H × 53D mm) |
| Weight | Approx. 610 g (21.5 oz.) (including battery, not including test lead) |
