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Extech EX350 11 Function True RMS Digital Multimeter

SKU
EX350
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Extech EX350 11 Function True RMS Digital Multimeter - In Use

This professional digital multimeter measures a total of 11 different parameters, making it ideal for any basic electrical measurement application.

The EX350 tests AC and DC voltage, AC and DC current, resistance, capacitance, frequency, duty cycle, diode and continuity. It also comes as standard with a built-in non-contact voltage detector, allowing it to be used to verify the presence of voltage on a live circuit before testing.

Equipped with a true RMS mode to ensure accuracy when testing on irregular AC waveforms, the EX350 also includes low impedance to filter out ghost voltage false readings and a low pass filter (LPF) for performing accurate measurements on variable frequency drive signals.

This multimeter comes with a range of additional features including a relative mode for capacitance zero and offset adjustment, data hold function which will freeze the current value displayed on the screen and a MAX/MIN mode for calculating the highest and lowest values taken over a time period.

Extech's EX350 is CAT III 600V safety rated and is supplied as standard with a 3 year warranty from Extech.

Extech EX350 11 Function True RMS Digital Multimeter Key Features

  • Handheld, reliable and accurate digital multimeter
  • 4000 count LCD display
  • Measurements of AC/DC voltage from 0.01mV to 600V
  • Measurements of AC/DC current from 0.1μA to 10.00A
  • Measurements of resistance from 0.1Ω to 40.00MΩ
  • Capacitance measurements from 1pF to 60.00mF
  • Frequency measurements from 0.001Hz to 10MHz
  • Duty cycle, continuity and diode tests
  • True RMS ensures accurate AC measurements (0.5% basic accuracy)
  • LoZ prevents false readings caused by ghost voltages
  • Low pass filter for accurate measurements on variable frequency drive signals
  • Integrated non-contact AC voltage detector with LED light indicator
  • Data hold function temporarily freezes current value on the screen
  • MIN/MAX and MAX/MIN function captures highest and lowest readings plus the difference between them
  • Auto power off to converse battery life

What's Included?

  • Extech EX350 11 Function Digital Multimeter
  • Test Leads
  • 2 x AA Batteries

Extech EX350 Technical Specifications

DC Current
Type Range Resolution Accuracy
μA 400.0μA 0.1μA ±(0.7%+2 digits)
4000μA 1μA
mA 40.00mA 10μA
400.0mA 0.1mA
A 4.000A 1mA ±(1.0%+3 digits)
10.00A 10mA
Overload protection:
μA mA range: (F1) fuse (6.3×32)mm: FF 0.6A H 600V (CE) fast acting
10A range: (F2) fuse (6.3×32)mm: F 10A H 600V (CE) fast acting
AC Current
Type Range Resolution Accuracy
μA 400.0μA 0.1μA ±(1.0%+ 3 digits)
4000μA 1μA
mA 40.00mA 10μA
400.0mA 0.1mA
A 4.000A 1mA ±(1.2%+ 3 digits)
10.00A 10mA
ACA Frequency Response: 45~400Hz
Resistance
Range Resolution Accuracy
400.0Ω 0.1Ω ±(1.0%+ 2 digits)
4.000kΩ ±(0.8% + 2 digits)
40.00kΩ 10Ω
400.0kΩ 100Ω
4.000MΩ 1kΩ ±(1.2% + 3 digits)
40.00MΩ 10kΩ ±(1.5% + 5 digits)
Range: The measured value = displayed value of measurement ‐ the short‐circuit value of the probe
Open‐circuit voltage is approx.: *1V; overload protection: 600V‐PTC
Capacitance
Range Resolution Accuracy
6.000nF 1pF In REL mode: ±(4% + 10 digits)
60.00nF to 600.0μF 10pF to 0.1μF ±(4% + 5 digits)
6.000mF to 60.00mF 1μF to 10μF ±10%
Overload protection: 600V‐PTC
To optimize accuracy, if the measured capacitance is ≤ 1μF use the REL measurement mode
Frequency
Range Resolution Accuracy
9.999Hz to 9.999MHz 0.001Hz to 0.001MHz ±(0.1% + 5)
Duty Cycle
Range Resolution Accuracy
0.1 to 99.9% 0.1% Unspecified
Overload protection: 600V‐PTC
Input amplitude (a): (DC level is zero)
≤100kHz: 100mVrms≤a≤20Vrms
>100kHz~1MHz: 200mVrms≤a≤20Vrms
>1MHz: 500mVrms≤a≤20Vrms
>5MHz~10MHz: 900mVrms≤ a ≤20Vrms
Duty cycle%: Applies to frequency measurements only (≤100kHz)
Frequency for Voltage or Current functions:
Frequency <1kHz
AC voltage: input amplitude of mV range≥100mV, input amplitude of V range≥ the range ×6%
AC current: input amplitude (a): 4000/6000μA, 400/600mA, 10A range: a ≥ the range ×6%,
400/600μA, 40/60mA, 4/6A range: a ≥ the range ×60%
Continuity
Resolution Remarks
0.1Ω Continuity threshold is 10Ω ~ 100Ω. For measurements < 10Ω the buzzer will sound. For measurements >400Ω (>600Ω EX355) the OL symbol will display
Diode
Resolution Remarks
1mV Open circuit voltage is approx 3.2V
Typical voltage of a silicon PN junction is in the range of 0.5 to 0.8V
General Specifications
Display 4000 count multi-function LCD
Overrange Indication OL is displayed
Conversion Rate 2 to 3 updates per second
Maximum Voltage 600V AC RMS or 600V DC maximum applied to any terminal
Polarity Indication Automatic: positive implied, negative indicated (-)
Low Battery Indication Symbol is displayed
Auto Power Off After 15 minutes (can be disabled by holding the M [MODE] button while turning the meter on)
Operating Temperature and Humidity -10 to 10°C (32 to 104°F)
0 to 30°C (30 to 86°F); <75% maximum
30 to 40°C (86 to 104°F); <50% RH
Storage Temperature and Humidity -10 to 50°C (14 to 122°F); <80% RH maxium (with battery removed)
Operating Altitude 2000m (6562 feet)
Battery Power 2 x AA batteries
Battery Life Typical 130 hours
Fuse Protection 10A terminal (F2): F 10A H 600V quick-break fuse (6.3 x 32mm)
mA, μA terminal (F1)L FF 600mA H 600V quick-break fuse (6.3 x 32mm)
Weight Including battery 407g (14.36oz)
Dimensions (W x H x D) 180 x 86 x 55.6mm (7.1 x 3.4 x 2.2 inches)
Safety Standards Complies with CSA STD C22.2 No 60101-1, 61010-2-030, IEC61010-2-033, CAT III 600V, Pollution Degree 2
EMC EN61326-1
Extech EX350 Digital Multimeter - Datasheet Datasheets Extech EX350 Digital Multimeter - User Manual Manuals & Guides

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Additional Information
SKU EX350
Manufacturer Part Code EX350
Model Ref EX350 Multimeter
Country of Origin China