Omega Products HHM61 User Manual

Compact DMM/AC Clamp
Meter/Digital Thermometer

HHM61

U Measures: Current to 400 A ac;

Voltage to 750 Vac, 400 Vdc;
Resistance to 400 Ω

U Reads Type K Thermocouple Directly
U Diode Test Function
U Peak Hold Feature
U Recessed Safety Test Lead Input Jacks

The HHM61 combination DMM/ac current clamp
meter/digital thermometer is a compact, lightweight,
multi-function test and measurement instrument at an
economical price. The HHM61 is ideal for electrician’s
and technicians who need a portable test instrument
that is both accurate and reliable. The integral ac
clamp meter function makes this meter ideal for
troubleshooting the operation of electric resistance
heaters and other plant electrical systems.

Specifications

General

Display: 33⁄4 digit LCD, max reading 3999, with automatic

sign, AC, BAT, and peak hold indicators

Overrange Indication: “OL” displayed
Low Battery: “BAT” displayed
Measurement Rate: 3 measurements per second, nominal
Operating Temperature: 0 to 50°C (32 to 122°F), 0 to 70% RH
Storage Temperature: -20 to 60°C (0 to 140°F),

0 to 80% RH with battery removed
Accuracy: Accuracy specifications at 23 ±5°C

(73 ±9°F), less than 75% RH

Power: 9 V battery (included)
Battery Life: 100 hours typical (alkaline battery)
Weight: 270 g (9.4 oz) including battery
Dimensions: 33 H x 82 W x 192 mm L (1.3 x 3.2 x 7.5")

AC Current

Ranges: 40 A, 400 A
Resolution: 10 mA (40 A range), 100 mA (400 A range)
Accuracy: ±2.0% rdg + 4 digits at 50 to 60 Hz
Jaw Opening: 3.18 cm (1.25")

AC Voltage

Ranges: 400V, 750V
Resolution: 100 mV (400 V range), 1V (750 V range)
Accuracy: ±1.2% rdg + 4 digits at 50 to 500 Hz

(400V range) and ±1.5% rdg + 4 digits at
50 to 500 Hz (750 V range)

Input Impedance: 10 MΩ
Overload Protection: 1200 Vdc/800 Vac on both ranges

DC Voltage

Ranges: 4V, 40V, 400V
Resolution: 1 mV (4V range), 10 mV (40V range),

100 mV (400V range)

Accuracy: ±0.5% rdg +1 digit
Input Impedance: 10 MΩ
Overload Protection: 1200 Vdc/800 Vac on all ranges

Resistance

Range: 400 Ω
Resolution: 0.1 Ω
Accuracy: ±1% rdg + 1 digit
Overload Protection: 500 Vdc/350 Vac

Temperature

Ranges: -50 to 750°C

(-58 to 1400°F)

Resolution: 1°F/C
Accuracy: ±3% rdg

+ 1 digit from -20 to 750°C
(-4 to 1400°F) and ±5% rdg
+ 2 digits from -50 to -20°C (-58 to -4°F)

Diode Test

Test Current: 1 mA
Test Voltage: 3.4V max
Overload Protection: 500 Vdc/350 Vac

Continuity

Response Time: 100 msec (instant continuity buzzer)
Overload Protection: 500 Vdc/350 Vac

To Order

Model No. Description

HHM61 Compact DMM/A AC clamp

meter/digital thermometer

Comes with test leads, Type K beaded wire probe, 9V battery,
wrist strap, carrying case and operator’s manual.

Ordering Example: HHM61, compact DMM.

Q-38

HHM61

Test leads included.

Visit omega.com/hhm61 for pricing and Details

Thermocouple
Included!

Temperature 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-TT-K-30-36

Q