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Measures up to 2 × 1016 Ohm, the highest range available from Hioki’s super megohmmeters.
The SM-8220 is a top-of-the-line super megohmmeter that can measure up to 2 × 1016 Ohm (at 1,000 V). The combined digital and analog display is the latest evolutionary step combining Hioki’s line of super megohmmeters with the newest technology. This powerful super megohmmeter handles a variety of insulation measurements, from those requiring low to high measurement voltages and measuring from low to ultra-high resistance.
Convenient standard features include timer, comparator, remote start and Interlock(HV-EN) functions. These enable safer and more reliable measurement of volume and surface resistivity using flat sample text fixtures. RS-232C communication functions required for measurement by computer are included as a standard feature.
| Measuring Voltage & Measuring Range | 5V | ||
| 10V | 5×104 to 2×1014Ω | ||
| 15V | |||
| 25V | 1.25×105 to 5×1014Ω | ||
| 50V | 2.5×105 to 1×1015Ω | ||
| 100V | 5×105 to 2×1015Ω | ||
| 250V | 1.25×106 to 5×1015Ω | ||
| 500V | 2.5×106 to 1×1016Ω | ||
| 1000V | 15×106 to 2×1016Ω00V | ||
| Accuracy of Measuring Voltage | ± 3% of setting voltage value | ||
| Output Current | Max. 50mA | Max. 2mA | |
| Measuring Accuracy | ± 10% (within 10 times range of min. value on each range at 20°C ), but ± 20% at 108range of SM-8220 | ||
| Display | LCD (digital & analog display) | ||
| Standard Function | timer, comparator (alarm), remote start, HV-EN, RS-232C | ||
| Ambient Temperature | 0 to 40°C | 5 to 35°C | |
| Ambient Humidity | less than 85%RH | ||
| Power Consumption | Selectable 100, 120, 220 or 240V AC ±10%, 50/60Hz, 25VA max. | ||
| Dimensions, mass | 284mm(11.18in)W x 139mm(5.47in)H x 215mm(8.46in)D, 4.3kg(151.7oz) | ||
| Supplied Accessories | Measuring rods (red & black) x 1 pair, power cord x 1pc., instruction manual x 1 | ||
