Kyoritsu 3128 12kV H. V. Insulation Tester

Kyoritsu 3128 12kV H. V. Insulation Tester

• Microprocessor controlled high voltage insulation resistance tester with Diagnostic functions.
• Suitable for analyzing the insulation characteristics of cables, transformers, motors, generators, high-pressure switches, insulators, wiring installations, etc.
• 6 ranges: 500V, 1000V, 2500V, 5000V, 10000V, 12000V
• Fine adjustment of voltage setting at each range is also possible
• Graphic representation of the insulation resistance and leakage current versus time on large display with bar graph and backlight.
• Can be operated from built-in rechargeable battery or from AC line.
• Automatic discharge after test with monitoring of the discharge voltage.
• Internal memory can store about 43,000 data (max).
• Robust design for field use with IP64 rating (with lid closed).

Specification

Insulation resistance (*) : Accuracy is not guaranteed with setting of 250V or less
Rated voltage	500V	1000V	2500V	5000V	10000V	12000V
Max. measurement value	500GΩ	1TΩ	2.5TΩ	5TΩ	35TΩ
Accuracy	400k~50GΩ ±5%rdg±3dgt (*)	800k~100GΩ ±5%rdg±3dgt	2M~250GΩ ±5%rdg±3dgt	4M~500GΩ ±5%rdg±3dgt	8M~1TΩ ±5%rdg±3dgt
	50G~500GΩ ±20%rdg (*)	100G~1TΩ ±20%rdg	250G~2.5TΩ ±20%rdg	500G~5TΩ ±20%rdg	1T~10TΩ ±20%rdg
					10T~35TΩ Values are displayed, but accuracy isn't guaranteed
Short circuit current	Max 5.0mA
Load resistor to output rated voltage	0.5MΩ or more	1MΩ or more	2.5MΩ or more	5MΩ or more	20MΩ or more	24MΩ or more
Output Voltage
Rated Voltage	500V	1000V	2500V	5000V	10000V	12000V
Monitor Accuracy	±10%±20V	±10%±20V	±10%±20V	±10%±20V	±10%±20V	±10%±20V
Output Accuracy	0~+20%	0~+10%	0~+10%	0~+10%	-5~+5%	-5~+5%
Selectable range	50~600V (in steps of 5V)	610~1200V (in steps of 10V)	1225~3000V (in steps of 25V)	3050~6000V (in steps of 50V)	6100~10000V (in steps of 100V)	10100~ 12000V (in steps of 100V)
Voltage measurement
Measuring range	DCV : ±30~±600V, ACV : 30~600V (50/60Hz)
Accuracy	±2%rdg±3dgt
Current measurement
Measuring range	0.00nA~2.40mA (Depending on the insulation resistance)
Capacitance measurement
Measuring range	5.0nF~50.0µF				5.0nF~1.0µF (display range: 5.0nF~50.0µF)
Accuracy	±5%rdg±5dgt
General
Withstand voltage	AC8770V : between line terminal and enclosure / 5sec (50/60Hz) AC6880V : between the measuring terminal and enclosure / 5sec (50/60Hz) AC2330V : between the power connector and enclosure / 5sec (50/60Hz)
Operating temperature & humidity range	-10°C ~ 50°C /Relative humidity 85% or less (when operating with an external power supply, no condensation) 0°C ~ 40°C /Relative humidity 85% or less (when operating with battery, no condensation)
Storage temperature & humidity range	-20ºC~60ºC / Relative humidity 75% or less (no condensation)
Applicable standards	IEC 61010-1 CAT.IV 600V Pollution degree 2, IEC 61010-031, IEC 61326, IEC 60529 (IP64): with the lid closed.
Power source	Rechargeable Lead storage battery (12V)* Charging time: approx. 8 hours / AC Power supply (100V~240V, 50/60Hz) * Continuous measuring time: approx. 4 hours (a load of 100MΩ at the Insulation resistance 12000V Range.) approx. 2 hours (Max current consumption in range while rated currents are maintained.)
Dimension	330 (L) × 410 (W) × 180 (D) mm *Instrument and Hard case
Weight	9kg approx. (including battery) *Instrument and Hard case
Accessories	7170 (Main cord), 7224A (Earth cord), 7225A (Guard cord), 7226A (Line probe), 7227A (Line probe with alligator clip), 8029 (Extension prod), 8212-USB-W (USB adaptor with KEW Windows(Software)), Instruction manual, Calibration Certificate
Optional	7254 (Longer Line probe with alligator clip)