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Omega HHM73 User Manual

Ac/dc oscilloscope current probes

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Where Do I Find Everything I Need for
Process Measurement and Control?
OMEGA ... Of Course!
TEMPERATURE
3
o Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies
3
o Wire: Thermocouple, RTD & Thermistor
3
o Calibrators & Ice Point References
3
o Recorders, Controllers & Process Monitors
3
o Infrared Pyrometers
PRESSURE
/
STRAIN
3
o Transducers & Strain Gauges
3
o Load Cells & Pressure Gauges
3
o Displacement Transducers
3
o Instrumentation & Accessories
FLOW / LEVEL
3
o Rotameters, Gas Mass Flowmeters & Flow Computers
3
o Air Velocity Indicators
3
o Turbine / Paddlewheel Systems
3
o Totalizers & Batch Controllers
pH/CONDUCTIVITY
3
o pH Electrodes, Testers & Accessories
3
o Benchtop / Laboratory Meters
3
o Controllers, Calibrators, Simulators & Pumps
3
o Industrial pH & Conductivity Equipment
DATA ACQUISITION
3
o Data Acquisition & Engineering Software
3
o Communications-Based Acquisition Systems
3
o Plug-in Cards for Apple, IBM & Compatibles
3
o Datalogging Systems
3
o Recorders, Printers & Plotters
HEATERS
3
o Heating Cable
3
o Cartridge & Strip Heaters
3
o Immersion & Band Heaters
3
o Flexible Heaters
3
o Laboratory Heaters
ENVIRONMENTAL
MONITORING
3
o Metering & Control Instrumentation
3
o Refractometers
3
o Pumps & Tubing
3
o Air, Soil & Water Monitors
3
o Industrial Water & Wastewater Treatment
3
o pH, Conductivity & Dissolved Oxygen Instruments
FORCE
AND
CONTROL
M-3479/0899
99-MAN 100179 v1 09/99

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Summary of Contents for Omega HHM73

  • Page 1 M-3479/0899 99-MAN 100179 v1 09/99 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA ... Of Course! TEMPERATURE o Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies o Wire: Thermocouple, RTD & Thermistor o Calibrators & Ice Point References o Recorders, Controllers &...
  • Page 2: Current Probes

    ZERO http:/www.omega.com 600V CAT III - 1500A 150A e-mail: 1500A info@omega.com OUTPUT: 1500 A: 1 mV/A 150 A: 10 mV/A HHM76 AC/DC CURRENT PROBE ® Model HHM73 Model HHM76 AC/DC Oscilloscope Current Probes...
  • Page 3 Upon examination by OMEGA, if the unit is found to be defective it will be repaired or replaced at no charge. OMEGA's WARRANTY does not apply to defects resulting from any action of the Servicing North America: purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification.
  • Page 4: Table Of Contents

    Table of Contents Warning ......................2 International Electrical Symbols..............2 Receiving Your Shipment................2 Packaging..................... 3 Description ....................3 Specifications....................4 Instrument Display Compatibility............... 11 Operating Procedure ................. 12 Making Measurements with an Oscilloscope ........12 DC Measurement................12 AC Measurement ................12 Making Measurements with Accessory Connectors ......
  • Page 5: Warning

    Shipment Upon receiving your shipment, make sure that the contents are consistent with the packing list. Notify Omega of any missing items. If the equipment appears to be damaged, file a claim immediately with the carrier and notify Omega at once, giving a detailed description of...
  • Page 6: Packaging

    True RMS with DC components is possible. Phase shift is excellent, making the probes well suited for power and power quality applications. Model HHM73 is a portable 400 A AC (600 A peak), 600 A DC current probe. The unit has proportional mV output for direct readings on handheld and bench top oscilloscopes.
  • Page 7: Specifications

    HHM73 HHM76 Typical Response Curves Specifications Specifications ELECTRICAL ELECTRICAL Model HHM73 Current Range: Current Range: Frequency Response at 100 A 60 A range: 150 A Range: 1000 10,000 0.2 to 40 A AC (60 A Peak) 0.2 to 100 A AC (150 A Peak) 0.4 to 60 A DC...
  • Page 8 AC continuous up to 1 kHz 60 A Range: · When using the Models HHM73 and HHM76 with an oscilloscope, it is DC to 1 kHz £ 8 mV important to select the range that provides the best resolution.
  • Page 9 Common Specifications (HHM73 & Operation Examples DC Current Measurement Example for Model HHM73 with the HHM76) Banana/BNC Connection (XF/SS Part #2111.32) ELECTRICAL · Conductor carrying 25 A DC in the direction of the arrow Frequency Range: DC to 10 kHz at -3 dB ·...
  • Page 10 RH Influence: · Model HHM76 on 1500 A range (1 mV/A) 10-35¡C: 90% RH at reference · Conductor carrying 1400 A peak AC waveform Temperature: £ 0.5% (HHM73) · Model HHM76 connected to oscilloscope £ 0.1% (HHM76) Altitude: Operating: 0 to 2000 m...
  • Page 11 60 A peak on the 60 A range or 600 A peak on the 600 A range for the Model HHM73, and 150 A peak on the 150 A range or 1500 A on the 1500 A range for the Model HHM76 will trigger the red LED.
  • Page 12 Operating Procedure HHM73 Making Measur ements wi th the Model s HHM73 and HHM76 wit h an Osci l loscope · Connect the current probe to the proper input channel on the oscilloscope. · Begin with the least sensitive range on the current probe (1 mV/A).
  • Page 13 Instrument Display Compatibility The Models HHM73 and HHM76 current probes are compatible with any hand held and bench top oscilloscope which has the following features: · BNC input · Range and resolution capable of displaying 1 mV of output per amp of measured current ·...

This manual is also suitable for:

Hhm76