3207 Insulation Tester Polytester

3207

The 3207 is a transistorized multifunctional field tester having a precision movement with taut-band suspension. Insulation tester, auto earth tester, AC ammeter, and AC voltmeter functions are all combined in this instrument, making it ideal for all-round plant maintenance.

Specifications

Measuring Range:

Insulation Resistance	:	500V/100MΩ (320731), 250V/50MΩ (320732)
Earth Resistance	:	0 to 15/150/1500Ω
Earth Voltage	:	0 to 30V AC
AC Voltage	:	70 to 130/140 to 260/ 280 to 520V AC
AC Current	:	0 to 15/30/75/150/300A AC

Accuracy:

Insulation Resistance	:	±5% of indicated value within effective measuring range except zero and rated value, ±10% of rated value for rated resistance, ± 0.7% of scale length at zero and infinity
Earth Rresistance	:	±3% of full scale
AC Voltage	:	±1.5% of full scale
AC Current	:	±2.5% of full scale

Power Source:
Eight 1.5V batteries (IEC R6P, ANSI AA, Mignon 1.5V or equivalent)
Accessories supplied at no extra cost:
1.5V batteries (8 pcs, built-in), measurement leads (1 pair for insulation resistance and AC V measurements), measurement leads (3pcs, for resistance measurement), clip-on current transformer (1pc), accessory case (1pc), carrying case (1pc)