Datasheet
3-349-810-03
1/12.14
GMC-I Messtechnik GmbH
METRISO INTRO, BASE, TECH
High-Precision
Insulation, Low Resistance and Voltage Measurement Instrument
German
Accreditation Body
D-K-15080-01-01
Applications
METRISO INTRO/BASE/TECH insulation and resistance measur-
ing instruments allow for quick and effective testing of protective
measures in accordance with DIN VDE 0100, ÖVE-EN 1 (Austria),
NIV/NIN SEV 1000
(Switzerland), and regulations specific to other
countries as well. The instruments are equipped with a micropro-
cessor and comply with IEC/EN 61557 / VDE 0413 regulations:
Part 1: General requirements
Part 2: Insulation resistance measuring instruments
Part 4: Instruments for measuring resistance at earthing conduc-
tors, protective conductors and equipotential bonding
Part 10: Combined measuring equipment for testing, measuring
or monitoring protective measures
As well as requirements per VDE 0701-0702:
Repair, modification and testing of electrical devices
The insulation measuring instruments are suitable for the following
tasks:
• Measurement of insulation resistance at voltage-free
devices and systems, up to 1000 V depending upon variant
• Testing of the resistance of earthing conductors, protective
conductors and equipotential bonding
• Checking of test objects for absence of voltage
• Testing of electrostatic discharge capacity at floor coverings
(using shielded measurement cables) – EN 1081
Features Overview of Both Instrument Variants
METRISO INTRO BASE TECH
Article number M550N M550O M550P
Measurements
R
INS
U = 1000 V
✓
—
✓
R
INS
U = 250, 500 V ✓✓✓
R
INS
U = 50, 100 V — ✓✓
R 10 ... 10 k
—
✓✓
RLO 0.17 ... 10
✓
✓✓
U 10 ... 1000 V
✓ —
✓
U 10 ... 500 V
✓
✓✓
Display Functions
Backlit display
✓
✓✓
Limit value LED (green/red) for:
Additional acoustic signal, limit value per VDE 0100
R
INS
R
LO
R
INS
R
LO
R
INS
R
LO
LED for dangerous contact voltage
(when switched off)
—
✓✓
LCD symbol for external voltage
✓
✓✓
Battery level display
✓
✓✓
Special Functions
Discharge capacitive devices under test
✓
✓✓
Safety shutdown (UBatt < 8 V)
✓
✓✓
Features
CAT II 1000 V / CAT III 600 V / CAT IV 300 V
✓ —
✓
Measuring category CAT III 600 V / CAT IV 300 V
✓
✓✓
10 M test resistor
—
✓✓
DAkkS calibration certificate
—
✓✓
• Insulation measurement per EN 61557-2/VDE 0413, part 2
• Low-resistance measurement
per EN 61557-4/VDE 0413, part 4
• Intelligent filter: precise and measurement-dependent
activation for the measurement of very high resistances
• Digital and analog display, backlit
• Indication of dangerous contact voltage LED
• Acoustic signalling when limit value is exceeded
• Detection of interference voltage in switch position OFF*
• Overvoltage protection
Protects the instrument in the event of inadvertent connection
to mains power
– Fuse link for all resistance measuring ranges
– Electronic fuse for the protection of low resistance
and resistance measurement R
LO
and R
• Compact and rugged for service calls under harsh conditions
METRISO INTRO/TECH:
Voltage testing and measurement up to 1000 V
METRISO BASE/TECH:
One measuring point self-test with test resistance of 10 M
per IEC/HD 60364-6 / EN 50110