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Heavy-Duty
Industrial Multimeters
Waterproof (IP67) Rugged Design
for Heavy-Duty Use
HHM-EX500 Series
Optional†
U CAT IV-600V Safety
Rating for Industrial
Applications
U 1000 V Input Protection
on All Functions
U Dual Sensitivity
Frequency Functions
U Large Backlit LCD
U Diode Open Circuit
Voltage of 2.8 Vdc
U Auto Power Off with
Disable Feature
HHM-EX505
All models shown
smaller than actual size.
HHM-EX505 (True RMS)
U 4000 Count
U 0.5% Accuracy
U Data Hold and Relative
U 10 A Max Current
HHM-EX520 (True RMS)
U 6000 Count—High
Resolution
U 0.09% Accuracy
U Min/Max/Relative/
Data Hold
U 20 A Max Current
HHM-EX530 (True RMS)
U 40,000 Count—
Highest Resolution
U 0.06% Accuracy
U Min/Max/Relative/
Data Hold
U 20 A Max Current
U Peak Hold (AC Only)
The OMEGA® HHM-EX500 Series
are versatile multimeters. It offers
a diode test, large backlit LCD,
auto power off with disable feature
and CAT IV-600V safety rating for
industrial applications.
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HHM-EX520
HHM-EX530
Free Thermocouple
Included!
These models include a free 1 m (40”) Type
K insulated beaded wire thermocouple with
subminiature connector and wire spool caddy
(1 per channel). Order a Spare!
Model No. SC-GG-K-30-36
† Refer to ordering chart on next
page for NIST calibration details.
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Drop-proof
to 2.9 m (6').
Specifications HHM-EX505 HHM-EX520 HHM-EX530
Display Counts 4000 6000 40,000
Averaging/True RMS True RMS True RMS True RMS
Basic Accuracy 0.5% 0.09% 0.06%
DC/AC Voltage 0.1 mV to 1000 Vdc 0.1 mV to 1000 Vdc 0.01 mV to 1000 Vdc
0.1 mV to 1000 Vac 1 mV to 1000 Vac 0.01 mV to 1000 Vac
DC/AC Current 0.1 μA to 10A 0.1 μA to 20A 0.01 μA to 20A
Resistance 0.1Ω to 40M Ω 0.1Ω to 60M Ω 0.01Ω to 40M Ω
Capacitance 0.01 nF to 100 μF 0.01 nF to 1000 μF 0.001 nF to 40 mF
Frequency (Electrical) 5 Hz to 1 kHz 10 to 400 Hz 40 to 400 Hz
Frequency (Electronic) 0.001 Hz to 10 MHz 0.001 Hz to 40 MHz 0.001 Hz to 100 MHz
Temperature
-20 to 750°C -45 to 750°C -45 to 750°C
(-4 to 1382°F) (-50 to 1382°F) (-50 to 1382°F)
Duty Cycle 0.1 to 99.9% 0.1 to 99.9% 0.1 to 99.9%
Diode/Continuity Yes Yes Yes
Power 9V battery (included) 9V battery (included) 9V battery (included)
Dimensions
(7.25 x 3.25 x 2.25”) (7.25 x 3.25 x 2.25")
184 x 83 x 57 mm 184 x 83 x 57 mm 184 x 83 x 57 mm
(7.25 x 3.25 x 2.25”)
Weight 349 g (12.3 oz) 349 g (12.3 oz) 349 g (12.3 oz)
To Order Visit omega.com/hhm-ex500 for Pricing and Details
Model No. Description
HHM-EX505 True RMS industrial multimeter (4000 count)
HHM-EX520 True RMS industrial multimeter (6000 count)
HHM-EX530 True RMS industrial multimeter (40,000 count)
CAL-3-HHM† NIST-traceable calibration
Comes complete with double molded test leads, magnetic hanging strap, Type K bead wire temperature probe, carrying case, 9V battery, and
operator’s manual.
Ordering Example: HHM-EX505, True RMS industrial multimeter (4000 count).
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