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CRM Series (CRM 100B/100B+, CRM 200B/200B+ & CRM 100C)
CRM Series (CRM 100B/100B+, CRM 200B/200B+ & CRM 100C) - Image 2
CRM Series (CRM 100B/100B+, CRM 200B/200B+ & CRM 100C) - Image 3
CRM Series (CRM 100B/100B+, CRM 200B/200B+ & CRM 100C) - Image 4
CRM Series (CRM 100B/100B+, CRM 200B/200B+ & CRM 100C) - Image 5

CRM Series (CRM 100B/100B+, CRM 200B/200B+ & CRM 100C)

Contact Resistance Meter

SCOPE offers its hugely popular CRM series Contact Resistance Meters,CRM 100B/100B+, CRM 200B/200B+ and CRM 100C in all new super-light avatars. The Plus (+) series is based on cutting-edge ultra capacitor technology.CRM directly measures micro-ohm values at 100A / 200A DC under live EHV / UHV switchyard conditions quickly & accurately.

Common features of CRM 100B / 100B+ / 200B / 200B+ / 100C

  • Lightweight meters that directly measures & displays resistance in μΩ
  • Works reliably in live EHV / UHV switchyards up to 765kV
  • Typically used for measurement of contact resistance of Circuit Breaker Contacts, Isolators, Bus Bar Joints, Earth Switch Joints, Cable Joints
  • 100A / 200A DC injection
  • Uses Kelvin’s 4 wire measurement principle
  • Direct readout of test current and micro-ohms on display
  • Easy to connect and use
  • Battery operated (Except CRM 100C)
  • Simple operation – Extremely easy to setup and use
  • Type Tested as per IEC 60068-2, IEC 61326-1, IEC 61010-1, CE marked
  • The instrument is supplied with CData CRM+ software CD and calibrated test leads suitable for testing of EHV / UHV class circuit breakers

 

Features available only in CRM 100B+ and CRM 200B+

  • In-built real time clock, memory and printer with time-stamp on each record
  • Auto ranging
  • Analysis including ‘Trend Analysis’ with supplied “CData CRM+” Software
  • Software generated report can be exported to PDF or MS Excel
  • Housed in ultra rugged IP67 class molded case

 

Features available only in CRM100C

  • Powerful continuous 100A DC source
  • Selectable lower current ranges to test objects having higher resistance / lower current rating
  • Internal memory (Optional)Computer connectivity and CData CRM software (Optional)

 

TECHNICAL DATA

Full Product Specifications

ParametersCRM100BCRM200BCRM100B+CRM200B+
Test Current (DC)100A200A100A200A
Resistance Range0 -199.9μΩ &

1999μΩ

0 – 199.9μΩ,

1999μΩ & 19.99mΩ

0-199.9μΩ,

1999μΩ, 19.99mΩ;

Auto ranging

0-199.99μΩ,

1999.9μΩ, 19.999mΩ;

Auto ranging

Resolution0.1μΩ & 1μΩ

on Resp. Ranges

0.1μΩ, 1μΩ & 10μΩ

on Resp. Ranges

0.1μΩ, 1μΩ & 10μΩ

on Resp. Ranges

0.01μΩ, 0.1μΩ & 1μΩ

on Resp. Ranges

AccuracyValue ± 2% ± 1 digitValue ± 1% ± 1 digitValue ± 2% ± 1 digitValue ± 1% ± 1 digit
DisplayTwo, 3½ digit, ½ inch LCD4 Line X 20 character

backlit LCD, 3½ digit

4 Line X 20 character

backlit LCD, 4½ digit

OperationStand-aloneStand-alone & Computer Control
Inbuilt Battery6V, 4Ah, 2nos.11.1V, 6Ah
MemoryNot available100 DUT IDs, 1000 records each
PrinterNot availableIn-built, Thermal Printer
Battery Charger110 V/230V AC ± 15%, 50/60 Hz ± 10%90 to 275V AC, 50/60Hz ± 10%
Environment0°C to 50°C, Upto 95% RH (Non condensing)
Instrument

Weight

9 kg10 kg4 kg5 kg

 

Continuous Current Contact Resistance Meter – CRM100C
ParametersCRM100C
Test Current (DC)100A, 50A, 20A, 10A – Selectable
Resistance Range199.9μΩ, 1999μΩ, 19.99mΩ, 199.9mΩ, 1999mΩ – Selectable
Resolution0.1μΩ, 1μΩ, 10μΩ, 0.1mΩ & 1mΩ on Resp. Ranges
AccuracyValue ± 0.5% ± 5 digits
Display4 line 20 character backlit LCD display
Instrument Weight11kg
Power110 V/230V AC ± 15%, 50/60 Hz ± 10%
Environment0 to 50°C, Upto 95%RH (Non condensing)

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