VAR TECH Digital Clamp Meter(M 2101)

• True RMS Accuracy: Ensures precise measurements of non-linear loads.

• Wide Current Range: Measures both AC and DC current from 600µA up to 1000A.

• High Resolution Display: 3 5/6 Digits (6000 Counts) LCD with backlight for easy visibility.

• In-Circuit Measurement: Dedicated µA ranges allow for direct in-circuit readings.

• Versatile Testing: Includes functions for Diode Test, Continuity Test, Duty Cycle, and Relative Measurement (REL).

• User-Friendly Design: Features Auto/Manual ranging, Data Hold, and Auto Power Off to conserve battery life.

• Hz/Duty Button: Dedicated button for easy switching during AC Voltage and AC Current measurements.

Electrical Specifications:

Function	Range	Resolution	Accuracy
DC Current
	600 µA	0.1 µA	± (0.8% + 10)
	6000 µA	0.001 mA	± (0.8% + 10)
	60 A	0.01 A	± (2.0% + 30)
	600 A	0.1 A	± (2.0% + 30)
	1000 A	1 A	± (2.0% + 30)
AC Current
	600 µA	0.1 µA	± (0.8% + 10)
	6000 µA	0.001 mA	± (0.8% + 10)
	60 A	0.01 A	± (2.0% + 30)
	600 A	0.1 A	± (2.0% + 30)
	1000 A	1 A	± (2.0% + 30)
DC Voltage
	600 mV	0.1 mV	± (0.5% + 3)
	6 V	0.001 V	± (0.5% + 3)
	60 V	0.01 V	± (0.5% + 3)
	600 V	0.1 V	± (0.5% + 3)
	1000 V	1 V	± (0.8% + 10)
AC Voltage
	6 V	1 mV	± (0.8% + 5)
	60 V	10 mV	± (0.8% + 5)
	600 V	100 mV	± (0.8% + 5)
	750 V	1 V	± (1.2% + 10)
Resistance
	600 Ω	0.1 Ω	± (0.8% + 5)
	6 kΩ	1 Ω	± (0.8% + 3)
	60 kΩ	10 Ω	± (0.8% + 3)
	600 kΩ	100 Ω	± (0.8% + 3)
	6 MΩ	1 kΩ	± (0.8% + 3)
	60 MΩ	10 kΩ	± (1.0% + 25)
Capacitance
	60 nF	10 pF	± (3.5% + 20)
	600 nF	100 pF	± (3.5% + 20)
	6 µF	1 nF	± (3.5% + 20)
	60 µF	10 nF	± (3.5% + 20)
	600 µF	100 nF	± (5.0% + 10)
	6000 µF	1 µF	± (5.0% + 10)
Frequency	10 Hz to 20 MHz	0.01 Hz to 10 kHz	± (0.1% + 3)
Temperature	-20°C to 1000°C	1°C	<400°C ± (1.0% + 3)

 

General Specification:

Feature	Specification
Display	3 5/6 Digits (6000 Counts) LCD
Backlight	Yes
Measurement Method	True RMS (Root Mean Square)
Ranging Mode	Auto Ranging
	Manual Ranging
Jaw Opening	Approx. 42 mm
Sample Rate	Approx. 3 times per second
Input Impedance	10 MΩ (for DCV and ACV)
Diode Test	Forward DC current is approx. 1mA, Reverse Circuit Voltage Approx. 3V
Continuity Test	Buzzer sounds at less than 50Ω (± 20Ω)
Power Supply	1 x 9V Battery (6F22)
Auto Power Off	Yes
Operating Environment	0°C to 40°C
	Humidity less than 80% RH
Dimensions	280 mm (Length)
	70 mm (Width)
	45 mm (Height)
Weight	Approx. 300g (including battery)

 

Industrial & Heavy Machinery Maintenance:

• Motor Load Testing: Measure the running current of large industrial motors (up to 1000A) to ensure they are not overloaded.

• VFD (Variable Frequency Drive) Troubleshooting: The True RMS feature allows for accurate voltage and current measurements on non-linear signals used in VFD-controlled machinery.

• Phase Balancing: Check for current imbalances across three-phase power systems, which can cause motor overheating.

• Panel Load Audits: Monitor distribution panels and feeders to ensure main breakers are not nearing their trip capacity.

 

Automotive Diagnostics (12V/24V Systems):

• Starter Motor Testing: The DC Current Clamp capability allows you to measure high cranking amperage (Cold Cranking Amps) drawn by the starter motor without disconnecting wires.

• Alternator Output: Verify if the alternator is correctly charging the battery by clamping over the alternator output wire.

• Battery Health Checks: Measure voltage drops and current draw to diagnose battery performance issues.

 

HVAC/R (Heating, Ventilation, Air Conditioning & Refrigeration):

• Flame Sensor Testing: The dedicated µA (micro-amp) ranges (via test leads) are specifically designed to test flame rectification sensors in gas furnaces.

• Compressor & Fan Motors: Measure the inrush and running current of AC compressor motors to detect hard starts or failing windings.

• Capacitor Testing: Use the Capacitance function (up to 6000 µF) to check start and run capacitors on AC units and motors.

• Temperature Checks: The included temperature probe allows for measuring air supply/return temperatures or pipe temperatures (-40°C to 750°C).

 

Renewable Energy (Solar PV Systems):

• Solar String Current: The meter's ability to measure DC Current up to 1000A makes it ideal for checking the current output of solar panel strings and combiners boxes.

• Inverter Maintenance: Verify DC input and AC output levels on solar inverters.

 

General Electronics & Electrical Repair:

• Component Testing: Use the resistance, continuity, and diode test functions to troubleshoot PCBs and verify component health.

• Duty Cycle Measurement: Analyze signal modulation in electronic control circuits using the Hz/Duty function.

• Non-Invasive Troubleshooting: Clamp around conductors to measure current without breaking the circuit, which is safer and faster than using inline multimeters.

• 1 x VAR TECH M 2101 Digital Clamp Meter

• 1 x Pair of Test Leads

• 1 x Temperature Probe

• 1 x 9V Battery

• 1 x Plastic Carrying Case

• 1 x User Manual