
Fluke 325 True RMS Clamp Meter, AC/DC Electrical Testing Tool
MFR Part #:FLUKE-325
- Electrical Ratings :40/400 A, 600 VAC/VDC
- Frequency Rating :5 to 500 Hz
- Manufacturer Name :Fluke
Fluke® Clamp Meter, 40/400 A, 600 VAC/VDC Electrical Rating, 40 kOhm Resistance, 5 to 500 Hz Frequency, 30 mm Jaw, Backlit Display, 2% +/-5 Digits at 45 to 65 Hz, 2.5% +/-5 Digits at 65 to 400 Hz AC Current Accuracy, 1.5% +/-5 Digits VAC, 1% +/-5 Digits VDC Voltage Accuracy, Frequency Counter: 5 to 500 Hz, Safety Rating: CAT III 600 VAC, CAT IV 300 VAC, -10 to 50 deg C Operating, 8.15 in L x 2.95 in W x 1.34 in H Dimensions, Hard Plastic.
The Fluke 325 True RMS Clamp Meter is a versatile electrical testing tool designed for troubleshooting and measurement tasks in commercial and residential electrical environments. Combining clamp meter functionality with multimeter capabilities, it allows users to measure current without breaking circuits while also providing voltage, frequency, resistance, and temperature measurements.
Key measurement capabilities include true RMS AC current and voltage readings on non-linear loads, helping users obtain accurate values in modern electrical systems. The meter also measures DC current, DC voltage, frequency, resistance, and temperature, reducing the need to carry multiple testing instruments.
Key Features
- True RMS AC current and voltage measurement
- Measures AC/DC current up to 400 A
- Measures AC/DC voltage up to 600 V
- Frequency measurement from 5 Hz to 500 Hz
- Resistance measurement up to 40 kΩ
- Temperature measurement from -10 °C to 400 °C
- Min/Max function for capturing important readings
- Large display and slim design for field use
- CAT III 600 V and CAT IV 300 V safety ratings
The Fluke 325 is suited for front-line electrical troubleshooting, maintenance, and diagnostic work. Its combination of current, voltage, frequency, resistance, and temperature measurement functions allows electricians and technicians to perform a wide range of testing tasks using a single instrument. The included test leads, K-type thermocouple, batteries, and soft carrying case provide a complete package for immediate use.
The Fluke 325 True RMS Clamp Meter is a compact clamp multimeter for commercial and residential electricians who need AC/DC current, AC/DC voltage, resistance, frequency, and temperature measurements in one troubleshooting tool.
It measures AC/DC current up to 400 A, AC/DC voltage up to 600 V, and includes test leads, a Type K thermocouple, installed batteries, and a soft case.
- The Fluke 325 True RMS Clamp Meter is a clamp multimeter designed for electrical troubleshooting, measuring AC/DC current, AC/DC voltage, temperature, and frequency. It measures AC/DC current up to 400 A, voltage up to 600 V, and includes a K-type thermocouple, test leads, and soft case. Fluke® FLUKE-325 Clamp Meter, 40/400 A, 600 VAC/VDC, 40 kOhm, 5 to 500 Hz, 30 mm Jaw, Backlit Display.
True RMS AC measurements → Provides accurate AC current and voltage readings on non-linear electrical loads.
AC/DC current measurement up to 400 A through the jaw → Allows current measurement without breaking the circuit.
AC/DC voltage measurement up to 600 V using test leads → Supports common electrical troubleshooting tasks with one meter.
Frequency measurement from 5 Hz to 500 Hz → Helps verify frequency conditions during electrical diagnostics.
Resistance measurement up to 40 kΩ → Supports circuit and component troubleshooting.
Contact temperature measurement from -10°C to 400°C → Uses the included Type K thermocouple to measure temperature during service checks.
Min/Max function → Records important high and low values during troubleshooting.
Backlight and data hold → Improves readability and lets users retain measurements for review.
CAT III 600 V / CAT IV 300 V safety rating → Designed for use in rated electrical environments within the specified category limits.
Slim design with 30 mm jaw opening → Supports easier handling and fits conductors up to 30 mm in diameter.
Specification
Range / Value
Accuracy
AC Current
40.00 A / 400.0 A
2% ± 5 digits, 45 Hz to 65 Hz; 2.5% ± 5 digits, 65 Hz to 400 Hz
DC Current
40.00 A / 400.0 A
2% ± 5 digits
AC Voltage
600.0 V
1.5% ± 5 digits
DC Voltage
600.0 V
1.0% ± 5 digits
Resistance
400.0 Ω / 4000 Ω / 40.00 kΩ
1.0% ± 5 digits
Continuity
≤ 30 Ω
—
Capacitance
0 to 100.0 μF / 100 μF to 1000 μF
—
Frequency
5.0 Hz to 500.0 Hz
—
Contact Temperature
-10.0°C to 400.0°C / 14.0°F to 752.0°F
—
AC Response
True RMS
—
Tool Features
Feature
Value
Backlight
Yes
Data Hold
Yes
Min/Max
Yes
Max Wire Diameter
30 mm / 600 MCM
Size
207 mm H x 75 mm W x 34 mm D
Weight
283 g
Safety Rating
CAT III 600 V / CAT IV 300 V
Warranty
Two-year
Measuring AC current through the clamp jaw on conductors up to 30 mm in diameter.
Measuring DC current for electrical troubleshooting.
Checking AC and DC voltage up to 600 V with test leads.
Testing resistance and continuity in electrical circuits.
Measuring frequency from 5 Hz to 500 Hz.
Taking contact temperature readings with the included Type K thermocouple.
Recording minimum and maximum values during troubleshooting.
Included with the Fluke 325 True RMS Clamp Meter
- Fluke 325 True-RMS Clamp Meter
- TL75 Test Leads
- Type K Thermocouple
- Two AAA batteries, installed
- Soft case
Compatible / Optional Accessories
- Fluke TL223 SureGrip Electrical Test Lead Set
- Fluke C43 Soft Carrying Case
- Fluke C550 Tool Bag
- Fluke CAMO-37 Camouflage Carrying Case
What does the Fluke 325 True RMS Clamp Meter measure?
The Fluke 325 measures AC/DC current, AC/DC voltage, resistance, continuity, capacitance, frequency, and contact temperature.
What is the maximum current range of the Fluke 325?
The Fluke 325 measures AC and DC current up to 400.0 A through the clamp jaw.
Does the Fluke 325 include test leads?
Yes. The Fluke 325 includes TL75 test leads, a Type K thermocouple, two installed AAA batteries, and a soft case.
What is the safety rating of the Fluke 325?
The Fluke 325 has a CAT III 600 V and CAT IV 300 V safety rating.
Can the Fluke 325 measure temperature?
Yes. The Fluke 325 measures contact temperature from -10.0°C to 400.0°C using the included Type K thermocouple.
