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Safety Testers (plus more) from
Dranetz and Gossen Metrawatt
General Presentation
Introduction
•Dranetz partnered with Gossen Metrawatt
presenting world renowned SAFETY TESTERS
along with other highly regarded testers and
meters.
•NOT Rebranded
Safety Testers
•Multifunction Electrical Safety Testers
•Insulation, Grounding, Low Ohm Testers
•Installation Testers
Electrical Safety Tester – What?
•Universal instrument for testing the electrical safety
of portable electrical equipment in commercial and
medical applications.
•When evaluating electrical safety, tests are performed
for:
– protective conductor connections
– insulation resistance
– leakage current
Electrical Safety Testing – Why?
•Human SAFETY !!!
•Liability
Multi-Function Safety Testers
Secutest Series – over 50,000 sold
• The Standard for all other Safety Testers
• Proven – Rugged – Portable
• IEC 60601 testing
• High Voltage / Ground Bond / Leakage
• High Voltage Test up to 6kV
• Ground Bond Test with 200mA, 10A, 25A
Protective Earth Resistance Test
Protective Earth Leakage Test
Target Groups for EST
•Appliances
•Power Tools
•IT equipment
•Medical Devices
– Medical, Optical, Dental,
Veterinary
•Hospitals
– Biomed
– Clinical Engineering
– Facilities
•Manufacturing Type
Testing (R&D)
•Manufacturing
Production Line Testing
•Service - after repair
•Field Service - PM
Applications for Electrical Safety Testers (EST)
•High Voltage Testing HiPot – Insulation
•Protective Earth Leakage
•Ground Bond Testing
•Insulation Resistance
•Medical Device Applied
Part Leakage
•Testing to meet
International Standards
•Medical Devices to IEC 60601
& 62353
•Electric Power Tools &
Appliances Tests are guided
by IEC 60335
•Electrical Equipment for
Measurement, Control and
Laboratory Use to IEC 61010
•Information Technologies
Devices to IEC 60950
EST USP’s (Unique Selling Points)
•Menu driven test sequences
•200mA, 10A and 25A Ground Bond testing
•6KV HV testing
•10+2 Applied part testing
•Data storage up to 125 tests
•RS232 interface
•PC software / automatic test reports
•50,000 sold world-wide
Insulation Tester – What?
•An insulation tester can be used to determine the
integrity of windings or cables in:
– Motors, transformers, switchgear, and electrical
installations.
•Insulation testers measure the insulation’s ability to
resist the escape of an electrical current
– high resistance indicates little loss of current
– low resistance indicates a significant amount of current is
leaking somewhere along the insulation
Insulation Testing – Why?
•Human SAFETY !!!
•Liability
Insulation Testers – Why?
•Insure public and personal safety
•Eliminate the possibility of having a life-threatening
short circuit or short to ground
•Testing the system against miswired and defective
equipment:
– it will insures a high quality installation
– customer satisfaction
– protects against fire or shock.
Insulation Tester - Metriso G500, G1000 &
G1000+
•Battery powered, digital Insulation Resistance Testers
•Test Voltages 50V – 500V/1000V
•Power Supply with 8x AA batteries
•Voltage Measurement in any switch position
•Very low resistance measurement capability
•10MΩ Calibration Terminals built-in
•Backlit LC Display
Insulation Testing
Target Groups for Insulation Testers
•Manufacturing
•Motors / Generators
•Electrical Machines
•Appliances
•Consumer electronics
•Service contractors
•R&D
•Type Testing
•Final Inspection
•Routine Testing
•Quality Control
•PM
Applications for Insulation Testers
•Insulation integrity of motors, generators,
transformers, anything with electrical wiring
•Safe, efficient, loss-free operation
•Fire prevention
•Ascertain environmental and/or physical
effects on electrical systems
Insulation Tester USP’s
•Compact, rugged and ideally suited for field
use
•Cable length offset function
•Integrated 10Mohm test resistor
•Functional User Interface
Insulation Testers
Other GMC-I Models
•Metriso 5000D
•Metriso 5000A
•Metriso C
•MetraHit ISO
Installation Tester – What?
•Tests all measurements
for effectiveness of safety
measures in electrical
systems required by
international standards.
•Assures the user his
installation complies with
all applicable regulations,
and functions reliably.
Installation Testing – Why?
•Human SAFETY !!!
•Liability
Installation Tester – ProfiTest Master
• User friendly handling and one
hand operation
• Easy reading with large display
• Integrated memory of 50.000
objects, free selection
• Electrical Testing Center PC
Software
• RISO with rising test voltage 10 to
1000V
• Bidirectional data exchange with
RS232 to USB
• DKD Calibration Certificate
standard
• CAT III 600V, CAT IV 300 V for
industrial applications
• 4 Wire measurement =>
• Automatic Measurement Cable
Compensation =>
• High accuracy
• => Best Instrument to ensure safe
installation!
Other Testers
•MetraHit Energy
•Photovoltaic ProfiTest PV
MetraHit Energy
•Power and Energy Measurement
•Systematic Power Quality Analysis
•Harmonic Analysis
•User Safety and Overload Protection
•Memory Mode Operation
PROFITEST PV
Peak power measuring instrument and curve tracer for PV
modules and strings (measurement at capacitive load)
PROFITEST PV
•Measurement of characteristic I-U curve at PV modules and
strings
• Generator voltage of up to 1000 V DC, current of up to 20 A DC
• Acquired characteristic I-U curve is highly accurate thanks to
steady measurement at the capacitive load.
PROFITEST PV
•Automatic conversion of momentary measured values to STC
•Power and temperature measurement with four-wire
measuring method for error-free results
•Measurement of :
– short-circuit current ISC
– open-circuit voltage UOC
– instantaneous peak power of a solar cell Pmax
– internal series resistance RS
– internal parallel resistance RP