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SMG5 – Digital Megohm Meter

Evaluate Compressor Insulation.

Helps to Predict Compressor Failure.

Where to Buy

  • 1000VDC voltage source
  • Measure up to 2000 megohm
  • Backlit LCD

The Fieldpiece Digital Megohm Meter, model SMG5, is a compact standalone meter designed for checking HVAC compressor insulation. The SMG5 provides a 1000V voltage source, monitors current, and displays the resistance between the test points. Maximum current output is <1mA. It can be used to determine the condition of insulation from winding to ground in a motor, compressor, or transformer. Includes a case, alligator clip lead tip and leads with removable tips.

To test resistance, a DMM supplies low voltage (<1V) to the test points and is capable of delivering only a few milliamps. It’s not a high enough voltage to detect high resistance problems that might indicate moisture and other contaminants and it’s not enough current to measure lower values of resistance.

  • Predict compressor failure
  • 1000VDC stresses insulation to measure up to 2000Mohms
  • Backlit LCD display
  • Auto-off to extend battery life
  • Case, alligator clip, leads with removable tips

What’s Included:

  • (1) SMG5 Megohm Meter
  • (2) Probe Tips
  • (1) Ground Lead with Detachable Tip
  • (1) Alligator Probe Tip
  • (1) Carrying Case
  • (4) AAA Batteries (installed)

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Specifications User Manuals Print Material

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Where To Buy

SMG5 – Digital Megohm Meter

Evaluate Compressor Insulation.

Helps to Predict Compressor Failure.

  • 1000VDC voltage source
  • Measure up to 2000 megohm
  • Backlit LCD

The Fieldpiece Digital Megohm Meter, model SMG5, is a compact standalone meter designed for checking HVAC compressor insulation. The SMG5 provides a 1000V voltage source, monitors current, and displays the resistance between the test points. Maximum current output is <1mA. It can be used to determine the condition of insulation from winding to ground in a motor, compressor, or transformer. Includes a case, alligator clip lead tip and leads with removable tips.

To test resistance, a DMM supplies low voltage (<1V) to the test points and is capable of delivering only a few milliamps. It’s not a high enough voltage to detect high resistance problems that might indicate moisture and other contaminants and it’s not enough current to measure lower values of resistance.

  • Predict compressor failure
  • 1000VDC stresses insulation to measure up to 2000Mohms
  • Backlit LCD display
  • Auto-off to extend battery life
  • Case, alligator clip, leads with removable tips

What’s Included:

  • (1) SMG5 Megohm Meter
  • (2) Probe Tips
  • (1) Ground Lead with Detachable Tip
  • (1) Alligator Probe Tip
  • (1) Carrying Case
  • (4) AAA Batteries (installed)

Specifications
Display: 3 1/2 digit liquid crystal display (LCD) with maximum reading of 1999
Overrange: (OL) or (-OL) is displayed
Low battery indication: The ” ” is displayed when the battery voltage drops below the operating level
Measurement rate: 2.5 times per second, nominal
Operating Environment: 0°C to 40°C at < 70% relative humidity.
Storage Temperature: -20°C to 60°C, 0 to 80% R.H. with battery removed from meter
Auto power off: 15 seconds approx
Standby consume current: <10μA
Battery: 4 pcs 1.5V (AAA size) UM-4 R03.
Battery Life: 4 hours (continuity) typical with alkaline battery (@20ΜΩ range test 10ΜΩ resistor).

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