GMC Instruments METRAHIT ISO TRMS Multimeter with Insulation Measurement

Display
LCD panel (65 mm x 36 mm) with analog and digital display
including unit of measure, type of current and various special
functions
Background Illumination
Background illumination is switched off approximately 1 minute
after it has been activated.
Analog
Display LCD scale with pointer
Scaling Linear:
5 ... 0 ... ±30 with 35 scale divisions
for , 0 ... 30 with 30 scale divisions in all
other ranges
Polarity display with automatic switching
Overflow display With the symbol
Measuring rate 40 measurements per second and display
refresh

Digital
Display / char. height 7-segment characters / 15 mm
Number of places 4¾ places, 30000 steps (V DC and Ω)
switchable to
3¾ places, 3100 steps
Overflow display “OL” is displayed for ≥ 30000 digits
respectively ≥ 3100 digits
Polarity display “–” (minus sign) is displayed
if plus pole is connected to “⊥”
Measuring rate 10 and 40 measurements per second with
the Min-Max function except for the
capacitance, frequency measuring functions
Refresh rate 2 times per second, every 500 ms

Electrical Safety
Safety class II per EN 61010-1:2001/VDE 0411-1:2002
Measuring category CAT II CAT III
Nominal voltage 1000 V 600 V
Pollution degree 2
Test voltage 5.2 kV~ per EN 61010-1:2001/VDE 0411-1:2002

Fuses
Fuse link FF 10 A / 1000 V AC/DC;
10 x 38 mm;
Switching capacity:
30 kA at 1000 V AC/DC,
protects the current measurement input in
the 300 μA through 10 A ranges

Power Supply
Battery 2 ea. 1.5 V mignon cell (2 ea. size AA),
alkaline manganese per IEC LR6
Service life With alkaline manganese batteries:
approx. 200 hours (without
MΩ ISO measurement)
Battery test Battery capacity display with battery symbol
in 4 segments.
Querying of momentary battery voltage via
menu function.
Power OFF function The multimeter is switched off automatically:
– If battery voltage drops to below approx. 1.8 V
– If none of the keys or the rotary switch
are activated for an adjustable duration
(10 to 59 min.) and the multimeter is not
in the continuous operation mode
Power pack socket If the power pack has been plugged into
the instrument, the installed batteries are
disconnected automatically.
Rechargeable batteries can only be
recharged externally.
1 Times 0.7 for interface operation

Electromagnetic Compatibility (EMC)
Interference emission EN 61326-1:2006, class B
Interference immunity EN 61326-1:2006
EN 61326-2-1:2006
Ambient Conditions
Accuracy range 0 °C ... +40 °C
Operating temp. range -10 °C ... +50 °C
Storage temp. range  -25 °C ... +70 °C (without batteries)
Relative humidity 40 to 75%, no condensation allowed
Elevation To 2000 m
Deployment Indoors, except within specified ambient conditions

Data Interface
Type Optical via infrared light through the housing
Data transmission Serial, bidirectional (not IrDa compatible)
Protocol Device-specific
Baud rate 38,400 baud
Functions – Select/query measuring functions
and parameters
– Query momentary measurement data
The USB | X-TRA plug-in interface adapter is
used for adaptation to the PC’s USB port.

Internal Measured Value Storage
Memory capacity 4 MBit / 540 kB for approx. 15,000
measured values with indication of date
and time

Mechanical Design
Housing Impact resistant plastic (ABS)
Dimensions 200 x 87 x 45 mm
                  (without protective rubber cover)
Weight Approx. 0.35 kg with batteries
Protection Housing: IP 54 (pressure equalization by means of the housing)