MCM Instruments EMC-38N Digital Motor Checker with Stethoscope

Model number
EMC-38N

Digital motor checker for motors, generators and transformers: insulation at 500 V and 1000 V DC, winding resistance from 200 mΩ, inductance and rotor test, plus a stethoscope for bearing, gear and pump noise.

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Key features

  • Insulation resistance (IR) measurement
  • Detects blow holes or cracks in the rotor bar without dismantling the rotor
  • Inductance measurement of the winding
  • Low resistance measurement of the winding
  • Identifies open and short circuits / loose connections in a winding coil
  • Identifies inter-turn shorts
  • Noise (mechanical sound) detection to locate machinery noise in industrial environments
  • Battery condition and low battery indication
  • Handy and light weight
  • Turn-to-turn, coil-to-coil and phase-to-phase faults
  • Open phase
  • Burned or contaminated winding
  • Poor connections
  • Broken or cracked rotor bars
  • Grounded windings
  • Cable faults

Specifications

Insulation resistance
At 500 V DC0 - 200 MΩ, ±⁠(2% + 1 digit), 0.1 MΩ resolution
At 1000 V DC0 - 2000 MΩ, ±⁠(2% + 1 digit)
Winding resistance
Ranges (resolution)0 - 200 mΩ (0.10 mΩ), 0 - 2 Ω (0.001 Ω), 0 - 20 Ω (0.01 Ω), 0 - 200 Ω (0.10 Ω); tolerance ±2%
Inductance & rotor test
Ranges (resolution)0 - 2 mH (0.001 mH), 0 - 20 mH (0.01 mH), 0 - 200 mH (0.1 mH), 0 - 2000 mH (1 mH); tolerance ±3%
Noise (stethoscope)
Frequency range30 Hz to 20 kHz; filters low, middle, high and unfiltered
General
Display3½ digit LCD
Operating temperature0 - 55 °C
Power1.5 V x 6 AA cells
Size (mm)237 x 131 x 45
Weight700 g
CasingMoulded high impact ABS
Supplied with
ContentsMotor Checker EMC-38N; Test leads - 1 set; Noise probe with tip; Head phone; Batteries - 6 nos; Manual; Calibration report and warranty / guarantee certificate; Carry case

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.