Omega HHM26 User Manual Download Page 7

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OPERATION

Before taking any measurements, read the Safety Information Section.

Always examine the instrument for damage, contamination (excessive dirt,
grease, etc.) and defects. Examine the test leads for cracked or frayed
insulation. If any abnormal conditions exist do not attempt to make any
measurements.

Auto Power-down mode

If unused for about 30 minutes, the tester will power-down automatically.
Press RESET button switches to resume power-on mode. If you should
disable Auto Power-down mode, press SELECT buttom when you turn on the
meter.

SELECT Function Button (DC/AC),(

W

W

W

W

W

/

)

The SELECT Function button is Yellow in color. Press it to toggle to the
alternate function (AC, Audible continuity , and Diode ) shown in Yellow on the
meter face.

RANGE Button

Press (RANGE) button to select the Manual Range mode and turn off the
"AUTO" annunciator.
In the Manual Range mode, each time you press (RANGE) button, the range
(and the input range annunciator) increments, and a new value is displayed.
To exit the Manual Range mode and return to autoranging, press and hold
down (RANGE) button for 2 seconds. The "AUTO" annunciator turns back on.

Summary of Contents for HHM26

Page 1: ...OMEGA HHM26 Digital Multimeter...

Page 2: ...l Free in Germany 0800 82 66342 e mail nl omega com e mail germany omega com Czech Republic United Kingdom ISO 9002 Certified ul Rude armady 1868 733 01 Karvina One Omega Drive Hranice Czech Repubic R...

Page 3: ...cross a high voltage high energy power source when the meter is set up for mA measurement may be very hazardous 3 Turn off power to the circuit under test before cutting unsoldering or breaking the ci...

Page 4: ...y Storage Temperature 20 C to 60 C 0 to 80 R H with battery removed from meter Accuracy Stated accuracy at 23 C 5 C 75 relative humidity Safety According to EN61010 1 protection class II overvoltage c...

Page 5: ...ation on 250mV range Input impedance 10MW Overload protection 600VDC or AC rms DC CURRENT Ranges 250 A 2 5mA 25mA 250mA 2 5A 10A Resolution 100nA Accuracy 0 75 rdg 10dgts on 250 A 25mA ranges 0 75 rdg...

Page 6: ...ic fuse 10A 600V fast blow ceramic fuse RESISTANCE Ranges 250W 2 5KW 25KW 250KW 2500KW 25MW Resolution 100mW Accuracy 0 3 rdg 3dgts on 250W range 0 3 rdg 1dgts on 2 5KW to 2500KW ranges 3 5 rdg 4dgts...

Page 7: ...hould disable Auto Power down mode press SELECT buttom when you turn on the meter SELECT Function Button DC AC W W W W W The SELECT Function button is Yellow in color Press it to toggle to the alterna...

Page 8: ...is also activates the DATA HOLD mode briefly press the button to return to normal display The Back Light will switch off automatically after about 30 seconds RS232 Communication Button Press RS232 but...

Page 9: ...s 1 Set the Function Range switch to the desired current range A mA A position 2 To toggle between DC and AC mode press SELECT button The DC or AC annunciators is displayed in the upper left corner 3...

Page 10: ...Diode Tests 1 Set the Function Range switch to W position 2 Remove power from the equipment under test 3 To toggle the W continity diode modes press SELECT switch 4 Touch probes to the diode A forward...

Page 11: ...rcuit under test External voltage across the components causes invalid readings 3 To toggle between the W continity diode modes press SELECT button 4 Connect the test leads to the two points at which...

Page 12: ...the battery from battery contacts Fuse Replacement If no current measurements are possible check for a blown overload protec tion fuse There are two fuses F1 for the mA jack and F2 for the A jack For...

Page 13: ...ty or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipmen...

Page 14: ...rs Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conducti...

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