| Measurement Function | 
Phase detection (positive,negative),live wire check (R-S/S-T only) | 
| Voltage Detection Method | 
Electrostatic induction method | 
| Voltage Range | 
70 to 1000VAC (50/60Hz)(sine wave,continuous input) | 
| Clamp Diameter | 
10 to 40mm of insulated wiring | 
| Display | 
| Phase Detection :  | 
Positive  | 
4 LEDs lit in clockwise order and 3 short beeps |  
|   | 
Negative ;  | 
4 LEDs lit in counterclockwise order and one continuous beep |   
| Live Wire Check :  | 
R-S and S-T lamps will light if voltage between wires are within voltage range |    | 
| Battery Check Function | 
ON lamp blinks to indicate battery low status when instrument is turned on | 
| Auto Power Off | 
Auto shut off if no activity is detected after power is turned ON for 15 minutes | 
| Power supply | 
Two AA size batteries × 2 (rated voltage:DC3.0V; maximum rated ower:300mVA) | 
| Continuous Use | 
approx.70 hours (standby) | 
| Dimensions, mass | 
70 mm (2.76 in)W x 75 mm (2.95 in)H x 30 mm (1.18 in)D, 240g (8.5 oz), Cord length : 0.7m(27.56 in) | 
| Accessories | 
Carrying case(1), strap(1), R6P manganese batteries(2), spiral tube(1) |