1700/1710 voltmeter/phase sequence meterDetailed product description：

Detailed information

690V voltage test (AC/DC).
Phase sequence detection.
Power on circuit warning LED.
Polarity test.
Conduct test (LED and buzzer warning).
Monopolar phase display.
Pen light function suitable for reading data in dark places.
Low battery voltage warning.
LCD display (1710).
Designed to comply with the international safety standard IEC 61010-1 CAT.IV 600V.

voltage test	Voltage range	12～690V AC/DC
	rated voltage	12/24/50/120/230/400/690V AC(45～400Hz). DC(±)
	allowed value (Boundary voltage)	Illuminates when the following values are exceeded: 7±3V(12V LED) 18±3V (240V LED) 37.5 ± 4V (50V LED) 75% ± 5% of rated voltage (120/230/400/600V LED)
	response time	0.5 seconds at 100% of each rated voltage
	peak current	Is<3.5mA (at 690V)
	Internal battery consumption	Approximately 33mA (battery 3V, test AC voltage 690V)
	battery life	About 2500 operations (30 seconds ON/240 seconds OFF)
Monopolar phase test	Voltage range	100～690V AC(45~100 Hz) 180～690V AC(100~400Hz)
Phase sequence test	system	Three phase four wire system (100~400V ground phase 200~690V phase phase) AC 50/60Hz
	Phase range	120±5 °
Conductivity test	Testing Scope	0~400kΩ+50%
	test current	About 1.5 μ A (battery 3V, 0 Ω)
	Internal battery consumption	Approximately 33mA (battery 3V, 0 Ω)
Operating temperature and humidity range		-10-55 o C, maximum 85% RH (no condensation)
Storage temperature range		-2-60 o C, maximum 85% RH (no condensation)
Safety specifications		IEC61010-1 CAT. III/IV 600V IEC61243-3 CAT. II 690V Pollution Level 2 IP65(IEC60529)
power supply		LR03 (1.5V)×2
Overall dimensions		241.5(L)×68.5(W)×28.5(D)mm
weight		230g (including battery)