Fluke – 5322A Electrical Safety Tester Calibrator

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The 5322A Electrical Tester Calibrator helps calibration technicians comply with new regulatory standards up to four times faster than with traditional manual, multiple-product methods.The 5322A replaces the 5320A Electrical Tester Calibrator.

The 5322A calibrator facilitates compliance with exacting international standards such as the United Kingdom’s BS7671 17th Edition, IEC/EN Standards, Australia and New Zealand’s AS/NZS 3000 and Chinese verification/calibration regulations for various electrical testers.

Continuously variable high voltage resistance outputs source high-ohms, high voltage resistors to enable calibration of insulation resistance testers/megohmmeters up to 5 kV.  The continuously variable feature lets the user set any resistance value to match the device under test (DUT) requirement and adjust the 5322A output to a nominal value, which aids in calibrating older-style hand-cranked testers.

Active Loop Compensation makes it easier to calibrate the loop/line impedance function of an installation tester by canceling residual line impedance during calibrations.

600 V source (VLC option) allows calibration of ac voltage measurements on workloads with measurement capabilities. This feature is also useful for powering many types of PAT testers.

4-wire low resistance sources enable precision low current measurements and high current ground bond measurements, providing accuracy for testing newer 4-wire testers.

Optional 5322A-LOAD 5 kV high voltage load resistors include paralleling capability for precision hipot testing.

RCD simulation enables testing of installation and PAT testers with excellent time and current level accuracy. 5322A trip times provide better than 4:1 test uncertainty ratios with 1 % trip current uncertainty.

Ripple coefficient and THD measurements display hipot testers' signal purity measurements to 5 kV as required by many regulations.

Multiple models give you the flexibility to select the capabilities best suited to your workload and budget.

MET/CAL software compatibility automates the 5322A in 5320A emulation mode for improved throughput and greater consistency.

General specifications

Specifications confidence level 99%
Specifications interval 1 year
Power line 115/230 V ac (50/60 Hz) +10 % / -14 %, with the maximum voltage difference between neutral and protective earth not exceeding 15 V. Operation with power line between -10 % and -14 % has limitations in burden current for voltage outputs. See AC/DC Voltage Calibrator (VLC option) below.
Power consumption 1250 VA maximum
Fuse protection AC mains input: 2 A, 250 V for 230 V, time delay (T2L250 V – 5 mm x 20 mm) 4 A, 250 V for 115 V, time delay (T4L250 V – 5 mm x 20 mm)

RCD input: 3.15 A, 250 V, fast (F3.15H250 V – 5 mm x 20 mm)

Meter amps (A) input: 20 A, 500 V, time delay (F20H500 V – 6.3 mm x 32 mm)

Loop/Line impedance input: 4 A, 500 V, time delay (T4H500 V – 6.3 mm x 32 mm)

Leakage current input: 100 mA, 250 V, fast (F100 mL250 V – 5 mm x 20 mm)

Warm-up time 15 minutes
Temperature performance Operating temperature: 18 °C to 28 °C

Calibration temperature (tcal): 23 °C

Temperature coefficient for temperatures outside of tcal ± 5 °C is 0.1 / °C of the specification, for temperatures between 5 °C to 40 °C.

Storage temperature : -10 °C to 50 °C

Storage recovery time: Typically <24 hours at operating temperature

Relative humidity (operating) <80 % to 28 °C (resistance outputs >10 GΩ specified for <70 % to 28 °C)
Relative humidity (storage) 90 % non-condensing 0 °C to 50 °C
Altitude Operating: 3050 m (10 000 ft)

Storage: 12 200 m (40 000 ft)

Dimensions and weight
Dimensions 430 mm x 555 mm x 170 mm (16.9 in x 21.8 in x 6.7 in)
Weight 20 kg (44.1 lb)
Safety Mains: IEC 61010-1: Overvoltage category II, pollution degree 2

Measurement: IEC 61010-2-030: 5000 V (not category rated)

Electromagnetic compatibility (EMC) International:

  • IEC 61326-1: Basic electromagnetic environment
  • CISPR 11: Group 1, Class A
    • Group 1: Equipment has intentionally generated and/or uses conductively-coupled radio frequency energy that is necessary for the internal function of the equipment itself.
    • Class A: Equipment is suitable for use in all establishments other than domestic and those directly connected to a low-voltage power supply network that supplies buildings used for domestic purposes. There may be potential difficulties in ensuring electromagnetic compatibility in other environments due to conducted and radiated disturbances.Emissions that exceed the levels required by CISPR 11 can occur when the equipment is connected to a test object.

Korea (KCC):

  • Class A: Equipment meets requirements for industrial electromagnetic wave equipment and the seller or user should take notice of it. This equipment is intended for use in business environments and not to be used in homes.


  • 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103.


Electrical specifications

Low resistance source
Range 100 mΩ to 10 kΩ + 10 mΩ single value selection, dc and line frequency (50/60 Hz)


1.5 kV high resistance source (DC only)
Range 10 kΩ to 10 GΩ + 100 GΩ single value selection
5.5 kV high resistance source (DC only) (5322A with /5 option)
Range 10 kΩ to 100 GΩ
Test voltage measurement
Range 0 V dc to 5500 V dc
Ground bond resistance source
Resistance mode
Range 1 mΩ to 1700 Ω, dc and line frequency (50/60 Hz)
Line/loop impedance source
Range 25 mΩ to 1700 Ω
Correction manual/scan mode
Residual impedance range 0 Ω to 10 Ω
Resolution 1 mΩ
Correction COMP mode (active loop compensation) (5322AVLC Option)
Maximum compensated impedance 0 Ω to 2 Ω
Leakage current source
Range 0.1 to 30 mA
Test voltage Passive mode: 60 V ac to 250 V ac rms

Differential mode: 60 V ac to 250 V ac rms

Substitute mode:10 V ac to 250 V ac rms

Active mode (5322A/VLC only)[1]: 50 V ac to 100 V ac rms

Uncertainty Passive mode: ± (0.3% setting + 2 μA)

Differential mode: ± (0.3% setting + 2 μA)

Test uncertainty can be influenced by power line voltage instability

Substitute mode: ± (0.3% setting + 2 μA)

Active mode (5322A/VLC only)[1]: ± (0.3% setting + 1 μA)

[1] The Active Mode outputs are synchronized with the ac mains frequency to suppress interference between the calibrator and external noise sources.
Human body simulation (for substitute leakage currently only Resistance range: 0 Ω to 10 000 Ω

Resolution: 1 Ω

RCD (residual current device) (for installation testers)
Trip current range 0.5 X I and 1 X I Mode: 5 to 30 mA in 1 mA steps

1.4 X I and 2 X I Mode: 14 to 60 mA in 1 mA steps

5 X I Mode: 50 to 150 mA in 1 mA steps

Trip current measurement resolution 1 μA below 30 mA

10 μA in range from 30 mA to 150 mA

100 μA in range from 300 mA to 3 A

Trip current measurement uncertainty
Trip current ± 1 % of nominal current (I) setting
Trip time range 10 to 5000 ms
Trip time uncertainty (0.02 % setting + 0.25 ms)
Touch/line voltage Touch voltage range: 50 V

Touch voltage setting: in discrete points depending on setup trip current value

Touch series resistance: 0.02 Ω, 0.05 Ω, 0.10 Ω, 0.35 Ω, 0.50 Ω, 0.96 Ω, 1.7 Ω, 4.7 Ω, 9 Ω, 17 Ω, 47 Ω, 90 Ω, 170 Ω, 470 Ω, 900 Ω, 1700 Ω

Line voltage range: 250 V

Line voltage uncertainty: ± (5 % reading + 3 V)

User selectable nominal line voltage: 100 V/115 V/120 V/220 V/230 V/240 V/250 V or real

Post-trip delayed power restore mode: user selectable

RCD (Residual current device (for PATs)
Trip current range 0.5 X I to 5 X I Mode: 5 to 150 mA in 1 mA steps
Trip current measurement resolution 1 μA
Trip current measurement uncertainty Trip current: ± 1 % of nominal current (I) setting
Trip time range 10 to 5000 ms
Trip time uncertainty (0.02 % setting + 0.25 ms)
Line voltage Reconnection delay: 2.5 s
AC/DC voltage calibrator (5322A with VLC Option)
Range 0.03 V to 600 V, ac or dc (.5 – 1%)
Internal ranges AC mode: 0.3 V to 600 V

DC mode: 0.3 V to 600 V

Maximum withstand voltage HV terminal to COM terminal: 5000 V rms

V terminal to COM terminal:  1100 V rms

COM terminal to Protective Earth: 2200 V pk

AC/DC voltage range V (1100 V) Input:  0 V dc to ±1100 V dc 10 mV to 1100 V ac rms

HV (5000 V) Input: 0 Vdc to ±5000 Vdc 5 V to 5000 V ac rms

AC/DC current
Range 0 A to 20 A continuous, 20 A to 30 A for up to 5 minutes, ac rms or dc
AC power
Range 0 kVA ac to 33 kVA ac
Type Apparent, active, reactive
Phase indication Phase angle (φ), Power Factor (PF)
Phase uncertainty (dφ) ± 0.1 °
DC power
Range 0 to 33 kVA dc
Hipot ac voltage distortion measurement
Frequency range 45 Hz to 65 Hz
Number of harmonics 25
Hipot dc voltage ripple coefficient measurement
Voltage range 100 V dc to 5000 V dc
Ripple coefficient range 10 %
Flash test voltage measurement (using flash LC or flash V mode)
Class I Voltage range 2000 V ac rms
Uncertainty ± (0.3 % of reading + 6 V)
Class II Voltage range 3000 V ac rms
Uncertainty ± (1 % of reading value + 6 V)
Flash leakage current measurement (using flash LC mode)
Range 0 mA ac rms or dc to 300 mA ac rms or dc
Resolution 4.5 digits
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