Gossen Metrawatt Metrahit 18S

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Gossen Metrawatt Metrahit 18S
Status in progress
Counts 31000
IEC 61010-1 CAT III 1000 V, CAT IV 600 V
Connectivity Infrared (RS232)
Measurements voltage, current, resistance, capacitance, temperature, diode, continuity, insulation
Features autorange, data hold, bargraph
Website [1]

The Gossen Metrawatt Metrahit 18S is a 31000 counts handheld digital multimeter with IR (RS232) connectivity.

Hardware

  • TODO.

Photos

Measurement functions and ranges

Measurement function Range Resolution Accuracy sigrok result Remarks
V= 300 mV 10 μV ±(0,05% + 3) mq V, unit V, mqflags DC
3 V 100 μV ±(0,05% + 3) "
30 V 100 μV "
300 V 1 mV "
1000 V 10 mV "
V≈ 300 mV 10 µV ±(0,5% + 30) (> 500 Digit)) mq V, unit V, mqflags AC,RMS
3 V 100 μV ±(0,5% + 30) (> 300 Digit) "
30 V 100 μV "
300 V 1 mV "
1000 V 10 mV "
V≃ 300 mV 10 μV ±(0,5% + 30) (> 500 Digit)) mq V, unit V, mqflags AC,DC,RMS
3 V 100 μV ±(0,5% + 30) (> 300 Digit) "
30 V 100 μV "
300 V 1 mV "
1000 V 10 mV "
A=  300.00 µA 100 nA mq Curr., unit A, mqflags DC
3.0000 mA 1 µA "
30.000 mA 1 µA "
100.00 mA 10 µA "
1.0000 A 100 µA "
10.000 A 1 mA "
A≃  300.00 µA 100 nA mq Curr., unit A, mqflags AC,DC,RMS
3.0000 mA 1 µA "
30.000 mA 1 µA "
100.00 mA 10 µA "
1.0000 A 100 µA "
10.000 A 1 mA "
Ω 300.00 Ω 10 mΩ mq Res., unit Ω, mqflags -
3.0000 kΩ 100 mΩ "
30.000 kΩ 1 Ω "
300.00 kΩ 10 Ω "
3.0000 MΩ 100 Ω "
30.000 MΩ 1 kΩ "
Diode/Cont. 3.0000 V– 1 mV mq V, unit V, mqflags DC,DIODE Diode and cont. are identical on this device, just without beeper for diode.
Cap. F 3.000 nF 1 pF mq Cap., unit F, mqflags -
30.00 nF 10 pF "
300.0 nF 100 pF "
3.000 µF 1 nF "
30.00 µF 10 nF "
300.0 µF 100 nF ±(5.0% + 6) "
3.000 mF 1 µF "
10.00 mF 10 µF "
Hz≃ 300.00 Hz 0.01 Hz ±(0.1% + 3) mq Freq., unit Hz, mqflags AC,DC
3.0000 kHz 0.1 Hz "
30.000 kHz 1 Hz "
100.000 kHz 10 Hz "
°C Pt100 –200.0 - +100.0 °C 0.1 °C 2 Kelvin + 5 mq Temp., unit °C, mqflags -
Pt100 +100.0 - +800.0 °C ±(1.0% + 5) "
Pt1000 –100.0 - +100.0 °C 2 Kelvin + 5 "
Pt1000 +100.0 - +800.0 °C ±(1.0% + 5) "


Event count
Stop Watch To activate, select 3V-1000V range manually, press yellow button, press AUTO for start/stop, DATA for reset. Delivers invalid data ("Overflow") via IR on  Matthias' device.
Data Hold mqflags += HOLD Disabled while IR interface is active.
MIN mqflags += MIN Flag is set, but influences only display, via IR the current value is delivered.
MAX mqflags += MAX Flag is set, but influences only display, via IR the current value is delivered.

The column "sigrok result" contains in short form what the driver generates for the resp. data type.