EGLINK System 이지링크시스템 - New & Used Test Equipment

MY40-01 Yokogawa Insulation Tester

The MY40 insulation tester is used to measure the Insulation resistance that represents the state of insulation of electric equipment or circuits; It is one of the important measurement parameters in terms of safety and security. The MY40 comes with 4 voltage/resistance ratings on an easy-to-view large display, and incorporates a double-action safety mechanism to keep the user from harm.

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MY40-01 Yokogawa Insulation Tester

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Detail

Specifications - MY40 Digital Insulation Tester

Width	125 mm
Height	103 mm
Depth	53 mm
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.
Overrange 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.
Batteries	Four AA (R6P) batteries
Weight	420 g
Ambient Temperature/Humidity Ranges	23 ±5 /45-75% RH
Standard Accessories	Batteries (Qty - 4) Earth Probe (98002) (Qty - 1) Line Probe (98001) (Qty - 1) Protection Cover (93013) (Qty - 1) Shoulder Strap (99005) (Qty - 1) User's manual (Qty - 1)

Tolerance Mentioned Conditions

Max. Deviation from Zero Scale Value	6 digits
Indication of mark on bar graph	Approx. 4000 MΩ min. (500 V/1000 V) Approx. 400 MΩ min. (125 V/250 V)
No-Load Voltage	130% max. of rated voltage
Rated Measuring Current	1 mA (0 to 20%) when in first effective measuring range
Max. Short-circuit Current	2 mA

Testing Performance

Model	Rating	Range Option	Resolution	Measuring Range	Tolerance	Lower Limit of measured Ω	Rated Current	Central Scale Value
MY40-01	125V/200MΩ	0.4000	0.1kΩ	0-0.0199MΩ	± (5%of rdg+6dgt)	0.125MΩ	1mA	5MΩ
		4.000	1kΩ	0.0200-20.00MΩ*	± (2%of rdg+6dgt)
		40.00	10kΩ	20.01-200.0MΩ	± 5%of rdg
		200.0	100kΩ
	250V/200MΩ	0.4000	0.1kΩ	0-0.0499MΩ	±(5%of rdg+6dgt)	0.25MΩ	1mA	5MΩ
		4.000	1kΩ	0.0500-20.00MΩ*	± (2%of rdg+6dgt)
		40.00	10kΩ	20.01-200.0MΩ	±5%of rdg
		200.0	100kΩ
	500V/2000MΩ	4.000	1kΩ	0-0.999MΩ	± (5%of rdg+6dgt)	0.5MΩ	1mA	50MΩ
		40.00	10kΩ	1.000-500MΩ*	± (2%of rdg+6dgt)
		400.0	100kΩ	501-2000MΩ	± 5%of rdg
		2000	1MΩ
	1000V/2000MΩ	4.000	1kΩ	0-1.999MΩ	± (5%of rdg+6dgt)	2MΩ	0.5mA	50MΩ
		40.00	10kΩ	2.000-1000MΩ*	± (2%of rdg+6dgt)
		400.0	100kΩ	1001-2000MΩ	± 5%of rdg
		2000	1MΩ

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