Operation Manual

2 GMC-I Messtechnik GmbH
Features Overview of Both Instrument Variants Scope of delivery:
1 Insulation and resistance measuring instrument
1 DAkkS calibration certificate (not METRISO INTRO)
1 Set batteries (8 ea. in battery holder) (not METRISO INTRO)
1Carrying strap
1 Alligator clip (not METRISO INTRO)
1 KS17-4 cable set
1 Condensed operating instructions
1 Supplement Safety Information
1 Detailed operating instructions for download from our website
at www.gossenmetrawatt.com
Battery Compartment Lid and Location of the Fuses
(housing bottom)
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 Ω ... 10 kΩ
—
✓✓
RLO 0.17 Ω ... 10 Ω
✓
✓✓
U 0 ... 1000 V
✓ —
✓
U 0 ... 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 MΩ test resistor
—
✓✓
DAkkS calibration certificate
—
✓✓
a b
Replacement Fuse
Fuse
Battery Compartment Lid