Basic specifications (Accuracy guaranteed for 1 year, Post-adjustment accuracy guaranteed for 1 year)
| 3288 | 3288-20 | |
| DC current | 100.0/ 1000 A, Basic accuracy: ±1.5 % rdg. ±5 dgt. | |
| AC current | 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 | 419.9 mV to 600 V, 5 ranges, Basic accuracy: ±1.3 % rdg. ±4 dgt. | |
| AC voltage | 4.199 V to 600 V, 4 ranges, Basic accuracy: ±2.3 % rdg. ±8 dgt. (30 to 500 Hz, Average rectified) |
4.199 V to 600 V, 4 ranges, Basic accuracy: ±2.3 % rdg. ±8 dgt. (30 to 500 Hz, True RMS) |
| Resistance | 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) | |
| Display | LCD, max. 4199 dgt., 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 dia. | 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) | |
| Accessories | Instruction manual ×1, Test Lead L9208 ×1, Carrying Case 9398 ×1 | |