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Yokogawa MY40-01 Digital Insulation Tester

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Yokogawa MY4001 Digital Insulation Tester

  • Four Test Voltages (125V, 250V, 500V & 1000V)
  • Insulation resistance: AC voltage and conductor resistance measurement
  • Insulation test mode: Comparator, memory, auto-hold and discharge function
  • All test modes: Live-line alarm (Exchange AC voltage measurement)
  • Easy to view, function-free display
  • Double-action safety mechanism
  • Includes Carrying Case (93015)

 

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SKU: Yokogawa MY40-01 Category: Tags: ,

Yokogawa MY40-01 Features:

Display:
3 1/2-digit LCD; 4000 count; backlight-illuminated; logarithmic bar graph; extension bar graph–no fluctuations, as the display shows the digits of a reading in the order in which each digit settles.

Comparator function:
The MY40 alerts you by turning on the LOW symbol and sounding the buzzer if the measured value is smaller than the reference value. You can allocate as many as three user-defined reference values to each rating. The factory-set defaults are 0.1 MΩ, 0.2 MΩ and 0.4 MΩ.

Memory function:
For each rating, you can save as many as 20 measurements at desired memory address numbers.

Automatic discharge function:
The MY40 automatically begins discharge when you turn off the MEAS switch. You can monitor the state of discharge by checking the bar graph and make sure discharge is complete by checking that the segment bar disappear.

High-voltage indicators:
The high-voltage symbol and LED lamp come on to alert you when the MY40 is in insulation testing mode or if any voltage remains to be discharged.

Live-line alarm:
If you apply an AC voltage of approximately 40 V or higher across the input terminals, the MY40 alerts you by blinking the LED lamp and sounding the buzzer.

Over range input alarm:
If the voltage being measured exceeds 600 V during AC voltage measurement, the MY40 alerts you by flashing the Maximum Value indicator and sounding the buzzer.

Auto-hold function:
The tester retains the measured resistance for approximately 5 seconds after the MEAS switch is turned off.

Specifications
Model
Rating
Measuring Range
AC Measuring Range
MY40-01

125V/200MΩ

0 to .0199MΩ 0 to 600V AC
.0200 to 20.00MΩ*
20.01 to 200.0MΩ
250V / 200MΩ

0 to .0499MΩ 0 to 600V AC
.0500 to 20.00MΩ*
20.01 to 200.0MΩ
500V / 2000Ω

0 to 0.999MΩ 0 to 600V AC
1.000 to 500MΩ*
501 to 2000MΩ
1000V /2000Ω

0 to 1.999MΩ 0 to 600V AC
2000 to 1000MΩ*
1001 to 2000MΩ
Note ** First effective measuring range
General Specifications
Display 3½-digit LCD; 4000 count; backlight-illuminated bar graph; extension bar graph-no fluctuations, as the display shows the digit of a reading in the order in which each digit settles.
Comparator Function The MY40 alerts you by turning on the LOW symbol and sounding the buzzer if the measured value is smaller than reference value. You can allocate as many as three user-defined reference values to each rating. The factory-set defaults are 0.1MΩ, 0.2MΩ, and 0.4MΩ.
Memory Function For each rating, you can save as many as 20 measurements at desired memory address numbers.
Automatic Discharge Function The MY40 automatically begins discharge when you turn off the MEAN switch. You can monitor the state of discharge by checking the bar graph and make sure discharge is complete by checking that the segment bar disappear.
High-Voltage Indicators The high-voltage symbol and LED lamp come on to alert you when the MY40 is in insulation testing mode or if any voltage remains to be discharged.
Live-Line Alarm If you apply an AC voltage of approximately 40V or higher across the input terminals, the MY40 alerts you by blinking the LED lamp and sounding buzzer.
Overrange Input Alarm If the voltage being measured exceeds 600V during AC voltage measurement, the MY40 alerts you by flashing the Maximum Value indicator and sounding the buzzer.
Auto-Hold Function The tester retains the measured resistance for approximately 5 seconds after the MEAS switch is turned off.
Power Supply Four (4) type ‘AA’ Alkaline batteries.
Dimensions 125mm (W) x 103mm (H) x 53mm (D) excluding protrusions.
Weight 420g (main unit and batteries only, excluding accessories).
Batteries Four AA (R6P) batteries.

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