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LEM UNILAPISO5kv Insulation Tester


LEM UNILAP ISO 5kv
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 LEM UNILAP ISO 5kv

Features:
  • Tests according to IEC 61557-2
  • Insulation resistance 10 kΩ ... 30 TΩ
  • Measuring voltages 500-1000-2500-5000 V DC
  • Variable measuring voltages 250...5250 V DC in 50 V increments
  • Stair-step measuring voltage for insulation and surge-voltage protector test (MOV)
  • Voltage measurement 0 ... 600 V AC/DC
  • Guarding technique
  • Measuring current > 1 mA
  • Software for acquisition and protocol printout (option)
Advantages:
  • Special GUARD technique - extended measuring range up to 30 TΩ
  • Option: DOCU-PACK as a RS232 interface, data storage and printer
  • Option: RS232 interface
  • Option: analysing software WinISO for protocols, remote control and long term m
Accessories supplied:
  • 3 safety measuring leads with test tips, 2 m long
  • 3 alligator clips, insulated
  • 1 carrying belt
  • 1 charging adapter 16 V / 0.3 A
  • Operating instructions


  Description

The construction and operation of electrical devices and installations require the compliance with certain safety precautions to protect man. These safety controls are laid down in national and international regulations and must be checked at regular intervals. All safety controls are always based on insulation resistance measurements. The requirements in practice vary a great deal, however.

New regulations and increasing nominal mains voltages make ever greater demands on the measuring engineer and his test instruments. This has resulted an increasing number of areas of application for 5000 V insulation meters.

The insulation measurement which, as such, is basically simple faces multiple types of applications. The insulation quality of materials and various objects also has to be tested for instance. Overvoltage suppressors or other voltage limiting elements also have to be tested for faultless functioning.

Despite all these requirements simple operation, high overload capacity and protection against misoperation of the instrument must be guaranteed.

The UNILAP ISO 5kV insulation tester is an expert for all insulation tests and their applications.

The instrument meets highest technical requirements while covering as broad an area of application as possible and complies with all relevant regulations governing construction, safety and measurement. Other insulation meters in this category can, at best, provide an instrument with analog display whose size and weight do not meet the wishes of the users. The UNILAP ISO 5kV on the other hand features both an analog and a digital display and has been fitted in the well proven UNILAP housing. We have thus managed to realise the smallest and handiest 5kV insulation meter while complying with all the criteria laid down in IEC 1010. We used the most state-of-the-art technologies, such as microprocessor control and SMD components, for the construction.


  Models, Options, & Accessories


Model Description List Price Sale Price
UNILAP ISO 5KV DIGITAL 5KV INSULATION TESTER - Discontinued - no replacement


  Specifications

General
Display 4-digit (2999), 7-segment-liquid-crystaldisplay, 16 mm high, with fluorescent illumination, 56-element analog scale for voltage and resistance ranges
Working temp. range –10° C… 50° C(14 ... 122 °F)
Operating temp. range 0° C… 35° C (32 ... 86 °F)
Storage temp. range –30° C… 60° C(-22 ...144 °F)
Operating error refering to the operating temperature range
Climatic class JWG as per DIN VDE 40040:
Protection class IP 40 as per DIN VDE 40050
Safety class complies with protective class II - IEC 61010 and EN 61010
Test voltage 6 kV
Safety 1000 V Cat. II, pollution degree 2
Quality standards developed, designed and manufactured refering to DIN ISO 9001
Max. external voltage for >> 50 V measurements are locked
Power supply 12 V Nickel / Metalhydrid - Accu, 2.4 Ah
Dimensions 265 x 265 x 90 mm (LxBxH), 110 mm with DOCU-PACK
Weight approx. 2.4 kg incl. accumulators approx. 5.0 kg incl. accessories in case
Insulation resistance (IEC 61557-2)
Time for discharging 2.5 s for 1 μF
Pre-set limit value < 500 kΩ
Nominal voltage 250…5250 V DC variabel in steps of 50 V or 500 / 1000 / 2500 / 5000 V DC in fixed position
Open circuit voltage max. 1.15 x nominal voltage
Measuring current >1 mA DC at nominal voltage
Short circuit current < 2 mA DC
Measuring rate approx. 2 values/s
Max. overload 1,2 x nominal voltage (measurement will not be started)
Ueff 1000 V external voltage
Buzzer at external voltage more than 1000 V or at continuous tests with timer
Interval measurement adjustable from 10 s to 99:50 min



 

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