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LEM UNILAPISOX Advanced 1kV Tester


LEM UNILAP ISO X
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 LEM UNILAP ISO X

Features:
  • Insulation resistance 1 Ω … 3 TΩ with measuring voltage 50 … 1000 V DC with GUARD technology and auto-monitoring of prescribed limits
  • Resistance 0.01 Ω … 3 kΩ with automatic pole-changing and high short-circuit current as per DIN VDE 0413/4 (&gr;200 mA)
  • Equivalent leakage current as per DIN VDE 0701/1 at extra-low voltage, with automatic recomputation for mains-voltage level
  • Standing surface insulation resistance 10 Ω … 30 MΩ at extra-low voltage sinusoidal 50 Hz
  • DC or AC voltage up to 600 V
Advantages:
  • Large measuring range up to 3 T? due to special GUARD technique
  • Applications softwar WinISO
  • Remote control via RS232 interface
  • Interval measurements, protocol for the printer through interface
  • Start probe with with illumination
Accessories supplied:
  • 3 safety measuring leads with test picks
  • 2 alligator clips
  • 6 batteries
  • Carrying belt
  • Operating instructions
  • Small case


  Description

For the protection of humans, certain safety precautions must be complied with when erecting and operating electrical devices and installations. These precautions have been laid down in national and international regulations and must be checked at regular intervals. All of them are ultimately based on measurements of insulation resistance. In practice, however, requirements differ widely; thus diverse measuring voltages and, irrespective of these, the largest possible ranges. In addition, a modern meter is expected to offer useful additional measuring functions, such as a device check after repairs and reassembly as per VDE 0701, ÖVE HG 701 and other standards. All these requirements must, however, not interfere with simplicity of operation or with the overload capacity of the instrument. The meters UNILAP ISO and UNILAP ISO X are the perfect solution. Both instruments meet the most stringent technical requirements within an area of application of maximum breadth and comply with all pertinent regulations. Their freely selectable test voltage and outstanding high ranges, together with full autoranging and GUARD technology, are eminently suitable for even the toughest measuring problems, e.g. for measuring highly insulating materials. All measuring functions are fully automated under microprocessor control and indicated unequivocally and for any length of time on a large display optimized for clarity.


  Models, Options, & Accessories


Model Description List Price Sale Price
UNILAP ISO X INSULATION TESTER 50-1000V 3TOHM - Discontinued - no replacement


  Specifications

General
Display 1999 digit dual LCD with special symbols, digit height 17 mm, 30 segment analogue bar with over/ underflow and special display symbols, EL backlight
Working temp. -10° C ... +50° C (+14° F...+122° F )
Operating temp. 0° C ... +35° C (+32° F...+95° F )
Storage temp. -20° C ... +60° C (-4° F...+140° F )
Reference temp. +23° C ± 2° C (+73° F ± 4° F )
Temperature coefficient 0.1 x operating error/K Intrinsic Error refers to the reference temperature range
Climatic class B2 (IEC 654-1), -5° C..+45°C, 5%...85% RH, no dew
Maximum operating altitude 2000m
Protective type IP40 according to EN 60529
Safety Protection by reinforced insulation 600V CATIII pollution degree 2
Test voltage 5550 V AC, measuring circuit to enclosure
Emission IEC/EN 61326-1:1997 +A1:1998 class B
Immunity EN 61000-4-2:1995 - B,EN 61000-4-3:1996
EN 61000-4-4:1995 - B,EN 61000-4-5:1995
EN 61000-4-6:1996 - B,EN 61000-4-8:1993
Intrinsic error Refers to the reference temperature range and is guaranteed for 2 years.
Operating error Refers to the operating temperature range and is guaranteed for 2 years.
Quality system Developed, designed and manufactured according to DIN ISO 9001
External voltage Measurement inhibited for external voltage Ux >10% of UN for MΩ and >3V for R
Max. overload 800 Veff RMS or RMS x frequency < 5x104VHz
Auxiliary power 4 x 1.5 V mignon cells alkali-manganese(IEC LR6)
Battery life span Typical (no backlight) > 2000 measurements in MΩ. 100 hours continuous operation for resistance, voltage measurements and mA measurements.
Fuse 630mA quick acting 600V 10kA/32x6.3mm
Dimensions 220 x 98 x 52 mm (12 x 3.75 x 2 inches)
Weight 0.8 kg / 1.8 lbs (including batteries)
Warranty 2 years
Calibration interval 2 years recommended
MΩ - RISO Insulation Resistance
Method Voltage/current measurement as per EN 61557–2
Nominal test voltage UN = 100V, 250V, 500V, 1000V DC
Open circuit voltage U0 < 1.1 x UN
Nominal current IN ≥ 1mA DC at UN IN ≥ 2.5mA DC at 100kΩ at 250V
Short circuit current <10mA DC
R – Low Resistance Measurement
Method Voltage/current measurement as per EN 61557–4
Open circuit voltage U0 ≥ 4V
Short circuit current Ik ≥ 200mA DC up to 2Ω as pe



 

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