IWATSU VOAC87 Iwatsu Handheld Multimeter

Model：VOAC87 Country of Origin：Japan

Category：Digital Multimeter DMM

Overview：

The VOAC87 is a 4-digit handy digital multimeter with a full-scale count of 9,999. This compact multimeter has a variety of measurement modes, featuring high security, fast measurement/update rates, and full auto range. The VOAC87 is a bottom-line handy DMM focused on basic capabilities.

Features

Specifications

Application Notes

Functions & Configuration

Handy Digital Multimeters VOAC87

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The VOAC87 is a 4-digit handy digital multimeter with a full-scale count of 9,999. This compact multimeter has a variety of measurement modes, featuring high security, fast measurement/update rates, and full auto range.
The VOAC87 is a bottom-line handy DMM focused on basic capabilities.

	Features
	• 4-digit at full scale, maximum display: 9,999, LCD • High-speed measurement value display at the update rate of 4 times/sec. • High-speed bar graph display at the update rate of 20 times/sec. • A thermocouple probe is included as standard. • 42-segment analog bar graph • Full auto range

	A variety of functions
	• Frequency measurement with four input ranges • Data record function (MAX, MIN, MAX-MIN, AVG) • Calculate a relative value from the reference measurement value • Data hold function • Auto power off

	A variety of measurement items
	• DCV: 999.9mV to 600V measurement range (100mV) • ACV: 999.9mV to 600V measurement range (100mV) • DCA: 4,000mA to10A measurement range (1mA) • ACA: 4,000mA to10A measurement range (1mA) • Resistance value: 999.9W to 40MW measurement range (100mW) • Temperature measurement: -20°C to 250°C measurement range (1°C) (The temperature measurement probe is included as standard.) • Electrostatic capacitance measurement: 1mF to10mF measurement range (1nF) • Frequency measurement: 9.999Hz to 50kHz measurement range (1mHz) • Continuity test: 9.999V (1mV) • Diode test: 999.9W (100mW)

	Designed for safety
	• Holster included as standard • 600V HBC FUSE (current input)

Electrical Performance

Accuracy: ±(X% of reading + Y digits) is indicated by X + Y.

The accuracy values below are guaranteed at 23°C ±5°C (75%RH or less).

1. DC Volt (DCV)

Range	Resolution	Accuracy*	Input RC
999.9mV	100mV	0.3+3	approx. 16MW, 30pF
9.999V	1mV		approx. 10MW, 30pF
99.99V	10mV
600.0V	100mV	0.3+5

NMR: 50dB or more (50/60Hz)

CMR: 100dB or more (DC, 50/60Hz, unbalanced resistance: 1kW)
Max. input voltage: ±600VDC/600V ACrms

2. AC Volt (ACV)
Measurement method:AC couple, average value rectifier valid value conversion metho

Range	Resolution	Accuracy*		Input RC
		50 to 200 Hz	200 to 500 Hz
999.9mV	100mV	2.5+5 *^()**	-	approx. 16MW, 30pF
9.999V	1mV	1.5+4		approx. 10MW, 30pF
99.99V	10mV
600.0V	100mV

(*) The accuracy is guaranteed when the input voltage is 1mV ACrms or more.
CMR: 60dB or more (DC to 60Hz, unbalanced resistance: 1kW)
Max. input voltage: ±600VDC/600V ACrms

3. DC Current (DCA)

Range	Resolution	Accuracy*	Inter-terminal Voltage Drop
		SLOW/MID
4,000mA	1mA	0.9+4	approx. 0.03V/A
10.00A	100mA	0.7+2

Input protection: 15A/600V, rated breaking current: 100kA fuse

4. AC Current (ACA)
Measurement method:AC couple, average value rectifier valid value conversion metho

Range	Resolution	Accuracy*	Inter-terminal Voltage Drop
		50 to 500 Hz
4,000mA	1mA	2+6	approx. 0.03V/A
10.00A *^()**	100mA	1.2+5

(*) The accuracy is guaranteed when the input voltage is 100mV ACrms or more.Input protection: 15A/600V, rated breaking current: 100kA fuse

5. Resistance

Range	Resolution	Accuracy*	Terminal Open Voltage
999.9W	100mW	0.5+6	approx. 2.7VDC
9.999kW	1W	0.5+2	approx. 1.3VDC
99.99kW	10W	0.5+2
999.9kW	100W	0.8+2
4.000MW	1kW	0.8+2
40.00MW	10kW	1.5+2

Max. input voltage: ±500VDC/500V ACrms

6. Electrostatic Capacitance

Range	Resolution	Accuracy *^()** *	Terminal Open Voltage
1.000mF	1nF	1+4	Max. approx. 3.3VDC
10.00mF	10nF	1+3
100.0mF	100nF	1+3
1.000mF	1mF	2+4
-	10mF	4+5

(*) Accuracy for the film condenser or equivalent that has the same or lower current leakageMax. input voltage: ±500VDC/500V ACrms

7. Frequency

Range	Resolution	Accuracy ^()	Input Sensitivity
9.999Hz	1mHz	0.1+4	1Vrms, 2Vrms
99.99Hz	10mHz		20Vrms, 200Vrms
999.9Hz	100mHz		(Select one of them depending on the range.)
9.999kHz	1Hz
50.00kHz	10Hz

(*) Accuracy when the input signal is a sine or square wave with a duty ratio of between 40% and 70%.Max. input voltage: ±600VDC/600V ACrms

8. Temperature

Range	Resolution	Accuracy ^()
-20°C to +250°C	1°C	±6.5°C

(*) The above accuracy value includes the accuracy of the attached thermocouple probe.Max. input voltage: ±500VDC/500V ACrmsA K-type thermocouple is used as the temperature probe.

9. Diode Test

Range	Resolution	Accuracy*	Test Current	Terminal Open Voltage
9.999V	1mV	3+3	0.5mA	Max. approx. 3.5VDC

10.Continuity Test

Range	Resolution	Threshold level	Response Time	Terminal Open Voltage
999.9W	100mW	105 ±95W	150ms or less	approx. 2.7VDC

11.Thermocouple Probe（sc-018）

Temperature Measurement Range	-20 to +250°C
Allowable Value	±2.5°C

12. General

Measurement Method		Double integral method
Digital Display Section	Display	4 digits, count: 9,999
	Polarity	Automatic selection
	Over Display	available (OL, -OL)
	Update Rate	approx. 4 times/sec.
Bar Graph Display Section	Display	42 segments
	Polarity	Automatic selection (+ or - is displayed)
	Over Display	available
	Update Rate	up to 20 times/sec.
Power Supply		DC9V battery (IECL6LR61, JIS6F22, IEC6F22)
	Low Voltage Alert	Display function available (approx. 7.2V)
	Life	approx. 140 hrs. (alkaline battery, DC voltage measurement)
	Power Consumption	approx. 3.5mA
Auto Power Off		available (Power consumption when power is off: approx. 30mA)
Temperature Coefficient		0.15 x (accuracy at 23°C ±5°C)/°C(0°C to +18°C, +28°C to +40°C)
Operation Temperature and Humidity		0°C to +35°C (80%RH or less), +35°C to +40°C (70%RH or less)
Storage Temperature and Humidity		-20°C to +55°C (80%RH or less). This does not apply to the battery.
Size	Measurement	approx. 75W x 34H x 150L mm
Size	Weight	approx. 252g
Size (including the holster)	Measurement	approx. 82W x 48H x 160L mm
Size (including the holster)	Weight	approx. 345g
Compatible Specification	Safety	EN61010-1 (1991), Pollution level 1
	Safety	Overvoltage category III
	EMC	EN55011 (1991)
	EMC	EN55082-1 (1992)
Accessories		Test leads (SC-017) one pair (red and black)
		Thermocouple probe (SC-018) 1
		Holster 1
		Battery (attached) 1
		This battery is for operation confirmation and may not have the specified life.
		Operation manual 1

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Electrical Performance

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