1. Introduction

XZTZ3015 digital insulation resistance meter also known as megohm meter, high voltage insulation resistance tester, used for insulation resistance testing. This instrument has LCD large screen grey backlight display, data storage, data access, and other functions. At the same time, it also has the function of measuring DC voltage and AC voltage absorption ratio and polarization index. The machine is beautiful and high-grade, wide range, high resolution, convenient operation, easy to carry, accurate, reliable, stable performance, strong anti-interference ability.

XZTZ3015 also has a shock-proof, dust-proof, moisture-proof structure, adapt to the harsh working environment, is the electric power, post and telecommunications, communication, mechanical and electrical installation and maintenance and the use of electricity as industrial power or energy industrial enterprise sector commonly used and essential instrument. It is suitable for measuring the resistance value of various insulating materials and the insulation resistance of transformers, motors, cables and electrical equipment.

XZTZ3015 digital insulation resistance meter is composed of medium and large scale integrated circuit. The output power of this table is large, and the output voltage levels are many. The rated insulation test voltage is up to 2500V and the measured insulation resistance is up to 100.0GΩ. The DC voltage ranges from 2.0 V to 1000V, and the AC voltage ranges from 2.0 V to 1000V.

2. Range and accuracy

2.1. Insulation resistance range and accuracy

Measurement function	The output voltage	Measuring range	precision	resolution
Insulation resistance	100V (±10%)	0.06MΩ ～ 0.60MΩ	±3%rdg±5dgt	0.01MΩ
		0.60MΩ ～ 6.00 MΩ	±3%rdg±5dgt	0.01MΩ
		6.0MΩ～60.0MΩ	± 5 %rdg±5dgt	0.1MΩ
		60MΩ～600MΩ	± 7 %rdg±5dgt	1MΩ
		0.60GΩ～5.00GΩ	± 10 %rdg±5dgt	0.01GΩ
	250V (±10%)	0.10 MΩ～1.00 MΩ	±3%rdg±5dgt	0.01MΩ
		1.00MΩ～10.00 MΩ	±3%rdg±5dgt	0.01MΩ
		10.0MΩ～100.0 MΩ	± 5 %rdg±5dgt	0.1MΩ
		100MΩ～1000MΩ	± 7 %rdg±5dgt	1MΩ
		1.00GΩ～10.00GΩ	± 10 %rdg±5dgt	0.01GΩ
	500V (±10%)	0.20 MΩ～2.00 MΩ	±3%rdg±5dgt	0.01MΩ
		2.00MΩ～2 0.00 MΩ	±3%rdg±5dgt	0.01MΩ
		20.0MΩ～2 00 .0 MΩ	± 5 %rdg±5dgt	0.1MΩ
		200MΩ～2000MΩ	± 7 %rdg±5dgt	1MΩ
		2.00GΩ～20.00GΩ	± 10 %rdg±5dgt	0.01GΩ
	1000V (±10%)	0.50 MΩ～5.00 MΩ	±3%rdg±5dgt	0.01MΩ
		5.00MΩ～50.00 MΩ	±3%rdg±5dgt	0.01MΩ
		50.0 MΩ～500.0 MΩ	± 5 %rdg±5dgt	0.1MΩ
		500 MΩ～5000MΩ	± 7 %rdg±5dgt	1 MΩ
		5.00GΩ～50.00GΩ	± 10 %rdg±5dgt	0.01GΩ
	2500V (±10%)	1.00MΩ～10.00 MΩ	±3%rdg±5dgt	0.01MΩ
		10.00MΩ～100.0 MΩ	±3%rdg±5dgt	0.1MΩ
		100 MΩ～1000MΩ	± 5 %rdg±5dgt	1MΩ
		1.00GΩ～10.00GΩ	± 7 %rdg±5dgt	0.01 GΩ
		10.00GΩ～100.0GΩ	± 10 %rdg±5dgt	0.1GΩ

Note: Conversion of commonly used electrical units

1 GΩ (Giga ohm) = 1000 MΩ = 10 ⁹Ω

1MΩ (Mega ohm) = 1000KΩ = 10 ⁶Ω

2.2. Voltage range and accuracy

Measurement function	Measuring range	precision	resolution
DC voltage	DC 2.0V ～1000V	± 3 %rdg±3dgt	0.1V _
AC voltage	AC 2.0V ～ 1000V	± 3 %rdg±3dgt	0.1V

5. Model difference

Model	XZTZ3015	XZTZ3015E
Rated voltage (V)	100-1000V	250-2500V
Insulation resistance range	0.06MΩ-50.00GΩ	0.10MΩ-100.0GΩ
Insulation resistance resolution	0.01MΩ	0.01MΩ
DC voltage range	2.0 ～ 1000V	2.0 ～ 1000V
DC voltage resolution	0.1V	0.1V
AC voltage range	2.0 ～ 1000V	2.0 ～ 1000V
AC voltage resolution	0.1V	0.1V
Absorption ratio and polarization index measurement	●	●
USB data upload function	●	●
Data storage	●	●
Real-time indicator of battery power	●	●
Backlight	●	●
Battery low voltage indicator	●	●
○ Empty indicates no ● Solid indicates yes

6. Technical specifications

Function	Insulation resistance test, voltage test
Baseline conditions	23℃±5℃, below 75%rh
Rated voltage (V)	100～2500V
Measuring voltage (V)	Rated voltage × (1±10%)
Insulation resistance range	0.06MΩ ～ 100.0GΩ
Insulation resistance resolution	0.01MΩ
DC voltage range	2.0～1000V
DC voltage resolution	0.1V
AC voltage range	2.0～1000V
AC voltage resolution	0.1V
Output short circuit current	≥ 1.5mA ( 10 00V)
Absorption ratio and polarization index measurements	Have
Power supply	1.5V ( AA ) alkaline batteries 8 pieces
Backlight	Controllable gray and white screen backlight, suitable for use in dark places
Auto off	Instrument shut down after 15 minutes without operation
Display mode	4-digit super large LCD display, gray and white screen backlight
LCD display size	73 mm x 43 mm
Meter size	175mm (L)× 112mm (W)× 53mm (H)
Test line	High voltage test line red 1 meter, black 1 meter
USB interface	· With USB interface, data reading, save record data
Data storage	500 groups, flashing "FULL" symbol means storage is full
Data review	Data query function: "MEM"symbol display
Overflow display	Over-range overflow function:"OL"symbol display
Power consumption	Standby time: 18mA Max (backlight off)
	Power on backlight: 43mA Max
	Measurement: 326mA Max (with backlight on )
Quality	1230g (including battery)
Battery voltage	The battery voltage is insufficient, and the low battery symbol " " is displayed
Insulation resistance	≥50MΩ (1000V)
withstand voltage	AC3kV/50Hz 1min
Operating Temperature and Humidity	-10℃～+50℃＜85%RH
Storage Temperature and Humidity	-15℃～+55℃＜90%RH
Suitable for safety regulations	IEC61010-1, IEC1010-2-31, IEC61557-1,5, IEC60529 (IP54), pollution, etc. 2, CAT Ⅲ 300V

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1. Introduction

2.1. Insulation resistance range and accuracy

2.2. Voltage range and accuracy

5. Model difference

6. Technical specifications

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