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M-2893/0799

Where Do I Find Everything I Need for

Process Measurement and Control?

OMEGA...Of Course!

TEMPERATURE

þ

Thermocouple, RTD & Thermistor

Probes, Connectors, Panels & Assemblies

þ

Wire: Thermocouple, RTD & Thermistor

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Calibrators & Ice Point References

þ

Recorders, Controllers & Process Monitors

þ

Infrared Pyrometers

PRESSURE/STRAIN AND FORCE

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Transducers & Strain Gauges

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Load Cells & Pressure Gauges

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Displacement Transducers

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Instrumentation & Accessories

FLOW/LEVEL

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Rotameters, Gas Mass Flowmeters

& Flow Computers

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Air Velocity Indicators

þ

Turbine/Paddlewheel Systems

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Totalizers & Batch Controllers

pH/CONDUCTIVITY

þ

pH Electrodes, Testers & Accessories

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Benchtop/Laboratory Meters

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Controllers, Calibrators, Simulators

& Pumps

þ

Industrial pH & Conductivity Equipment

DATA ACQUISITION

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Data Acquisition &

Engineering Software

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Communications-Based

Acquisition Systems

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Plug-in Cards for Apple, IBM

& Compatibles

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Datalogging Systems

þ

Recorders, Printers & Plotters

HEATERS

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Heating Cable

þ

Cartridge & Strip Heaters

þ

Immersion & Band Heaters

þ

Flexible Heaters

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Laboratory Heaters

ENVIRONMENTAL
MONITORING AND CONTROL

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Metering & Control Instrumentation

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Refractometers

þ

Pumps & Tubing

þ

Air, Soil & Water Monitors

þ

Industrial Water & Wastewater

Treatment

þ

pH, Conductivity & Dissolved Oxygen

Instruments

Summary of Contents for HHM27

Page 1: ...OMEGA HHM27 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: ...tion 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: ...mic 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 1dgt on 2 5KW to 2500KW ranges 3 5 rdg 4dgts...

Page 7: ...tion 500VDC or AC rms FREQUENCY Autoranging Ranges 5 000Hz 50 00Hz 500 0Hz 5 000KHz 50 00KHz 500 0KHz 5 000MHz Resolution 0 001Hz Accuracy 0 05 rdg 2dgts Sensitivity 1 0V rms min on 5 000Hz to 1 000MH...

Page 8: ...witches 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...

Page 9: ...back on Back Light and Data Hold Switch 2sec H Press this button briefly to activate DATA HOLD mode The H annunciator is displayed Press this button for 2 seconds to turn the Back Light on As this als...

Page 10: ...r circuit being measured 4 Fordc a signisdisplayedfornegativepolarity positivepolarityisimplied Current Measurements 1 Set the Function Range switch to the desired current range A mA A position 2 To t...

Page 11: ...ted electromagnetic field environment eg radio telephone or similar 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 d...

Page 12: ...ments 1 Set the Function Range switch to the Hz position and then press Hz to toggle between Hz and DUTY mode 2 Connect the red test lead to the VW jack and the black test lead to the COM jack 3 Conne...

Page 13: ...Function Range switch to the desired range Press RELD to zero the display 2 Dischange capacitors before trying to measure it 3 Connect the lead to the VW jack and the lead to the COM jack 4 Read the...

Page 14: ...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 15: ...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 16: ...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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