Yokogawa 20731 and 320732
Insulation Polytester

Five measurement In One- Insulation resistance, Earth Resistance, Earth Voltage, AC Voltage, Ac Current
Simple operation
Direct Reading
Battery Conservation

Yokogawa 320732
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Product Information
Datasheet	164 KB
Ordering Info
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The Yokogawa 320731 and 320732 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		Details
Measuring Range	Insulation Resistance	500V/100MΩ (320731), 250V/50MΩ (320732)
	Earth Resistance	0 to 15/150/1500Ω
	Earth Voltage	0 to 30V AC
	AC Current	70 to 130/140 to 260/ 280 to 520V AC
	AC Voltage	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 Resistance	±3% of full scale
	Earth Voltage	±3% of full scale
	AC Current	±1.5% of full scale
	AC Voltage	±2.5% of full scale
Ambient Temperature Influence	Insulation Resistance	±5% of indicated value at the Central Scale Mark for temperature change of 20±20°C ±5% of Scale length at Zero and Infinity
	Earth Resistance	±5% of Full Mark for temperature change of 20±20°C
	AC Current	±2.5% of full scale for temperature Change of 20±10°C
	AC Voltage	±1.5% of full scale for temperature Change of 20±10°C
Scale	Insulation Resistance	Three-Digit Logarithmic (black)
	Earth Resistance	Uniform (blue)
	Earth Voltage	Uniform (blue)
	AC Current	Uniform (red)
	AC Voltage	Uniform (black)
Dimensions (Carrying case)	Instrument Only	Approx. 120 × 185 × 124mm (4.75"x7.25"x4.8125")
Weight	Instrument Only	Approx 1.6kg (3.5 lbs)
Power Source		Eight 1.5V batteries (IEC R6P, ANSI AA, Mignon 1.5V or equivalent)

Ordering Information
Model	Description	Buy Online	Price
320731	Yokogawa 320731 Insulation Polytester, 500V/100M ohm with Case		$1,038.00
320732	Yokogawa 320732 Insulation Polytester, 250V/50M ohm with Case		$1,038.00
Included Accessories
	1 - Measurement leads (for insulation resistance and AC Voltage) 3 - Measurement leads (for resistance measurement) 1 - Clip-on current transformer 1 - Carrying case 1 - Accessory case 8 - 1.5V batteries (built-in)	Included
Optional Accessories
Model	Description	Buy Online	Price
B9605KN	Yokogawa B9605KN Measuring Lead for Grounding Resistance for model 3207		$64.00
B9606CD	Yokogawa B9606CD Earthspike for models 3235/3207		$21.00
B9606CH	Yokogawa B9606CH Accessory Bag for model 3207		$42.00
B9606FA	Yokogawa B9606FA Lead with Switch Probe for model 3207		$107.00
B9646CK	Yokogawa B9646CK Carrying Case for model 3207		$107.00

Yokogawa 20731 and 320732 Insulation Polytester

Yokogawa 20731 and 320732
Insulation Polytester