| Voltage Test | 
| Voltage Range | 
12~690V AC/DC | 
| LED | 
Nominal Voltage | 
12/24/50/120/230/400/690V AC(45~400Hz), DC(±) | 
Tolerance (Threshold Voltage) | 
| Light on at more than: |  
  | 
7±3V (12V LED) |  
  | 
18±3V (24V LED) |  
  | 
37.5±4V (50V LED) |  
  | 
75%±5% of nominal voltage |  
  | 
(120/230/400/690V LED) |    | 
| Response Time | 
<0.5s at 100% of each nominal voltage | 
| LCD | 
Range/Resolution (Auto-range) | 
300V (7.0~299.9V)/0.1V 690V (270~759)/1V | 
| Accuracy (23±5ºC) | 
±1.5V (7~100V) ±1%±5dgt (100~690V) AC (45~400Hz), DC(±) | 
| Overrange Indication | 
"OL" | 
| Response Time | 
<2s at 90% of each voltage | 
| Peak Current | 
ls<3.5mA (at 690V) | 
| Measurement Duty | 
30s ON (operation time) 240s OFF (recovery time) | 
| Internal Battery Consumption | 
Approx. 33mA (battery 3V, measuring 690V AC) | 
| Battery Life | 
Approx. 2500 operations (30s ON/240s OFF duty) | 
| Single-Pole Phase Test | 
| Voltage Range | 
100~690V AC (45~100Hz) 180~690V AC (100~400Hz) | 
| Phase Rotation Test | 
| System | 
Three-phase 4-wire system 200~690V phase-to-phase (100~400V earth-to-phase) AC 50/60Hz | 
| Phase Range | 
120±5 degree | 
| Continuity Test | 
| Detection Range | 
0~400kΩ+50% | 
| Test Current | 
Approx. 1.5μA (battery 3V, 0Ω) | 
| Internal Battery Consumption | 
Approx. 30mA (battery 3V, 0Ω) | 
| General | 
| Operating temperature and humidity ranges | 
-10~55ºC, max 85% RH (no condensation) | 
| Storage temperature and humidity ranges | 
-20~60ºC, max 85% RH (no condensation) | 
| Applicable Standard | 
IEC61010-1 CAT.III / IV 600V IEC61243-3 CAT.II 690V Pollution degree 2 | 
| IP Rating | 
IP65 (IEC60529) | 
| Power Source | 
LR03 1.5V×2 (3V) | 
| Dimensions | 
241.5(L)×68.5(W)×28.5(D) mm | 
| Weight | 
230g (including batteries) |