| Feature | 3288 | 3288-20 |
| DC Current Range | 100.0/1000 A, Basic accuracy: ±1.5 % rdg. ±5 dgt. | 100.0/1000 A, Basic accuracy: ±1.5 % rdg. ±5 dgt. |
| AC Current Range | 100.0/1000 A (10 Hz to 500 Hz, Average rectified), Basic accuracy: ±1.5 % rdg. ±5 dgt. | 100.0/1000 A (10 Hz to 500 Hz, True RMS), Basic accuracy: ±1.5 % rdg. ±5 dgt. |
| DC Voltage Range | 419.9 mV to 600 V, 5 ranges, Basic accuracy: ±1.3 % rdg. ±4 dgt. | 419.9 mV to 600 V, 5 ranges, Basic accuracy: ±1.3 % rdg. ±4 dgt. |
| AC Voltage Range | 4.199 V to 600 V, 4 ranges (30 to 500 Hz, Average rectified), Basic accuracy: ±2.3 % rdg. ±8 dgt. | 4.199 V to 600 V, 4 ranges (30 to 500 Hz, True RMS), Basic accuracy: ±2.3 % rdg. ±8 dgt. |
| Resistance Range | 419.9 Ω to 41.99 MΩ, 6 ranges, Basic accuracy: ±2 % rdg. ±4 dgt. | 419.9 Ω to 41.99 MΩ, 6 ranges, Basic accuracy: ±2 % rdg. ±4 dgt. |
| Crest Factor | N/A | 3 or less (2 at 1000 A range, 1.5 at Voltage) |
| Other Functions | Continuity: (50 Ω ±40 Ω) or less buzzer sounds, Data hold, Auto power save, Auto zero (DC A) | Continuity: (50 Ω ±40 Ω) or less buzzer sounds, Data hold, Auto power save, Auto zero (DC A) |
| Display | LCD, max. 4199 digits, Display refresh rate: 2.5 times/s | LCD, max. 4199 digits, Display refresh rate: 2.5 times/s |
| Power Supply | Coin type lithium battery (CR2032) ×1, Continuous use 60 hours | Coin type lithium battery (CR2032) ×1, Continuous use 35 hours |
| Core Jaw Diameter | φ 35 mm (1.38 in) | φ 35 mm (1.38 in) |
| Dimensions and Mass | 57 mm (2.24 in) W × 180 mm (7.09 in) H × 16 mm (0.63 in) D, 150 g (5.3 oz) | 57 mm (2.24 in) W × 180 mm (7.09 in) H × 16 mm (0.63 in) D, 150 g (5.3 oz) |
| Included Accessories | Coin type lithium battery (CR2032) ×1, Carrying case 9398 ×1, Test lead L9208 ×1, Instruction manual ×1 | Coin type lithium battery (CR2032) ×1, Carrying case 9398 ×1, Test lead L9208 ×1, Instruction manual ×1 |