VAR TECH Digital Multimeter(V 68)

• True RMS Accuracy: Provides precise readings for AC current and voltage, even on non-linear signals.

• Versatile Measurement: Measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Temperature, and Duty Cycle.

• Smart Design: Features Auto & Manual Ranging, Data Hold, Relative Measurement (REL), and Auto Power Off to conserve battery life.

• User-Friendly: Large 4000-count backlit LCD and built-in LED flashlight for working in dark panels or attics.

• Multi-Function Testing: Includes Transistor (hFE) test, Diode test, and Audible Continuity buzzer.

• Non-Contact Voltage (NCV): Safely detect live wires without touching them using the integrated sensor.

Electrical Specification:

Function	Range	Resolution	Accuracy (Typical)
DC Voltage	40mV 400mV 4V 40V 400V 1000V	0.1mV 0.1mV 1mV 10mV 100mV 1V	±(0.5% + 5) ±(0.5% + 5) ±(0.5% + 4) ±(0.5% + 4) ±(0.5% + 4) ±(1% + 6)
AC Voltage	40mV 400mV 4V 40V 400V 750V	0.01mV 0.1mV   1mV 10mV 100mV 1V	±(1% + 6) ±(1% + 6) ±(0.8% + 10) ±(0.8% + 10) ±(0.8% + 10) ±(1.2% + 10)
DC Current	400µA 4000µA 40mA 400mA 4A 10A	0.1µA 1µA 10µA 100µA 1mA 10mA	±(1.0% + 10) ±(1.0% + 10) ±(1.2% + 8) ±(1.2% + 8) ±(1.2% + 10) ±(1.2% + 10)
AC Current	400µA 4000µA 40mA 400mA 4A 10A	0.1µA 1 µA 10 µA 100 µA 1mA 10mA	±(1.5% + 10) ±(1.5% + 10) ±(1.5% + 10) ±(1.5% + 10) ±(2% + 5) ±(2% + 5)
Resistance	400Ω 4kΩ 40kΩ 400kΩ 4MΩ 40MΩ	0.1Ω 1Ω 10Ω 100Ω 1kΩ 10kΩ	±(0.8% + 5) ±(0.8% + 4) ±(0.8% + 4) ±(0.8% + 4) ±(0.8% + 4) ±(1.2% + 10)
Capacitance	6nF 60nF 600nF 6µF 60µF 600µF 6mF 60mF 100mF	0.001nF 0.01nF 0.1nF 0.001uF 0.01uF 0.1uF 0.001mF 0.01mF 0.1mF	±(5% + 40) ±(3.5% + 20) ±(3.5% + 20) ±(3.5% + 20) ±(3.5% + 20) ±(3.5% + 20) ±(5% + 10) ±10% ±10%
Frequency	10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 20MHz	0.01Hz 0.1Hz 1Hz 10Hz 100Hz 1kHz 10kHz	±(0.5% + 10 digits)
Temperature	-20°C ~ 1000°C	1°C	<400°C ±(1.0% + 5 digits) >400°C ±(1.5% + 15 digits)

 

General Specification:

Feature	Specification
Display	3 ¾ Digits (4000 Counts) HD LCD with Backlight
Power Supply	4 x 1.5V AAA Batteries
Auto Power Off	Yes (Approx. 15 minutes)
Sampling Rate	Approx. 3 times per second
Input Impedance	10MΩ (DCV)
Dimensions	186mm x 92mm x 52mm
Weight	Approx. 400g (including batteries)
Operational Environment	0°C to 40°C (<80% RH)
Storage Environment	-10°C to 60°C (<70% RH)
Fuse Protection	Double Fuse (mA range and 10A range)

 

Home Improvement & DIY Repair

• Outlet & Switch Testing: Verify if wall sockets are working correctly or identify faulty switches using AC Voltage measurement.

• Live Wire Detection: Use the NCV (Non-Contact Voltage) function to safely check for live wires behind drywall or in cables without touching bare metal.

• Appliance Troubleshooting: Diagnose broken toasters, washing machines, or lamps by checking for continuity (broken circuits) or resistance in heating elements.

• Battery Health Check: Test 1.5V (AA/AAA), 9V, and car batteries using the DC Voltage range to see if they need replacement.

 

HVAC (Heating, Ventilation & Air Conditioning)

• Capacitor Testing: The wide capacitance range (up to 100mF) is ideal for testing start and run capacitors in air conditioners, furnace blowers, and compressor motors.

• Temperature Monitoring: Use the included K-Type Thermocouple to measure air output temperatures from vents or check for overheating in motor casings.

• Flame Sensor Diagnosis: The µA (microamp) AC/DC current setting allows technicians to test flame sensors in gas furnaces.

 

Automotive Electrical Diagnostics

• Charging System Analysis: Check alternator output and battery voltage (DC Volts) to ensure the car's charging system is functioning.

• Parasitic Draw Testing: Use the DC Current (Amps) mode to find components draining the battery when the car is off.

• Sensor Testing: The Frequency and Duty Cycle functions are essential for testing modern automotive sensors (like MAF or CAM sensors) and fuel injectors.

• Fuse Checking: Quickly check car fuses using the audible Continuity Buzzer.

 

Electronics & Hobbyist Projects

• Component Sorting: Use the Resistance and Capacitance modes to verify values of resistors and capacitors before soldering.

• Transistor & Diode Testing: The dedicated hFE test slot and Diode test function allow for easy verification of bipolar junction transistors (BJTs) and rectifier diodes.

• Power Supply Calibration: Measure the output of DC power supplies or buck converters with high precision.

• Signal Tracing: Use Frequency measurement to check clock signals or PWM outputs in Arduino/Raspberry Pi projects.

 

Industrial & Commercial Maintenance

• Non-Linear Load Measurement: Because this is a True RMS meter, it can accurately measure AC current and voltage on equipment with non-sinusoidal waveforms, such as Variable Frequency Drives (VFDs), motor speed controllers, and electronic ballasts.

• Panel Safety Checks: The built-in Flashlight and Backlight help electricians work safely in dark electrical panels or server rooms.

• 3-Phase Voltage Checks: Capable of measuring up to 750V AC, making it suitable for checking voltage balance across phases in many commercial distribution panels (within CAT III 1000V limits).

• 1 x V-68 True RMS Digital Multimeter
• 1 x Set of High-Quality Test Leads (Red & Black)
• 1 x Temperature Probe (K-Type Thermocouple)
• 1 x Multi-function Socket Adapter (for Transistor/Capacitor testing)
• 1 x User Manual