Difference between revisions of "Gossen Metrawatt Metrahit 28S"

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| 3 V
| 3 V
| 100 μV
| 100 μV
| rowspan="4" | ±(0,5% + 30) (> 300 Digit)
| rowspan="4" | ±(0,2% + 30)
| "
| "
|  
|  
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| 3 V
| 3 V
| 100 μV
| 100 μV
| rowspan="4" | ±(0,2% + 30) (> 300 Digit)
| rowspan="4" | ±(0,2% + 30)
| "
| "
|  
|  
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| rowspan="6" | A=
| rowspan="6" | A=
| 300.00 µA
| 300.00 µA
| 100 nA
| 1 nA
|  
|  
| mq Curr., unit A, mqflags DC
| mq Curr., unit A, mqflags DC
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|-
|-
| 3.0000 mA
| 3.0000 mA
| 1 µA
| 10 nA
|  
|  
| "
| "
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|-
|-
| 30.000 mA
| 30.000 mA
| 1 µA
| 100 nA
|  
|  
| "
| "
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|-
|-
| 100.00 mA
| 300.00 mA
| 10 µA
| 1 µA
|  
|  
| "
| "
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|-
|-
| 1.0000 A
| 3.0000 A
| 100 µA
| 100 µA
|  
|  
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| rowspan="6" | A≃
| rowspan="6" | A≃
| 300.00 µA
| 300.00 µA
| 100 nA
| 10 nA
|  
|  
| mq Curr., unit A, mqflags AC,DC,RMS
| mq Curr., unit A, mqflags AC,DC,RMS
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|-
|-
| 3.0000 mA
| 3.0000 mA
| 1 µA
| 100 nA
|  
|  
| "
| "
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|-
|-
| 100.00 mA
| 300.00 mA
| 10 µA
| 10 µA
|  
|  
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|-
|-
| 1.0000 A
| 3.0000 A
| 100 µA
| 100 µA
|  
|  
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|  
|  
| style="background: #ff0000; "| (Time data)
| style="background: #ff0000; "| (Time data)
| To activate, select a 3V-1000V range manually, press yellow button, press AUTO for start/stop, DATA for reset. Delivers only invalid data ("Overflow") via IR on [[User:Matthias Heidbrink | Matthias']] device.
| To activate, select a 3V-1000V range manually, press yellow button, press AUTO for start/stop, DATA for reset. Delivers only invalid data ("Overflow") via IR on [[User:Matthias Heidbrink | Matthias']] test device.
   
   
|-
|-
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|  
|  
| style="background: #ff0000; "| mqflags += HOLD
| style="background: #ff0000; "| mqflags += HOLD
| Disabled while IR interface is active on [[User:Matthias Heidbrink | Matthias']] device.
| Disabled while IR interface is active on [[User:Matthias Heidbrink | Matthias']] test device.
   
   
|-
|-

Revision as of 08:43, 3 November 2013

Gossen Metrawatt Metrahit 28S
Status in progress
Counts 310000
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, backlight
Website [1]

The Gossen Metrawatt Metrahit 28S is a 310000 counts handheld digital multimeter with IR (RS232) connectivity.

Hardware

  • Fuse:
    • FF (UR) 1,6 A/1000 V AC/DC (10 kA) for current 300 mA
    • FF (UR) 10 A/1000 V AC/DC (30 kA) for current 3A, 10A
  • TODO.

Photos

Measurement functions and ranges

Note: Work in progress, currently simply wrong!

Measurement function Range Resolution Accuracy sigrok result Remarks
V= 300 mV 1 μV ±(0,02% + 0,010% + 5) mq V, unit V, mqflags DC
3 V 10 μV ±(0,02% + 0,005% + 5) "
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 ±(0,2% + 30) "
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 ±(0,2% + 30) "
30 V 100 μV "
300 V 1 mV "
1000 V 10 mV "
V db≈ -48 - 63 dB 0,01 dB mq V, unit V, mqflags AC,RMS Actually 5 ranges.
V db≈ rel -48 - 63 dB 0,01 dB mq V, unit V, mqflags AC,RMS Actually 5 ranges. To activate, press yellow button in dB mode, then do second measurement. Cannot be distinguished from non-rel measurement remotely.
A=  300.00 µA 1 nA mq Curr., unit A, mqflags DC
3.0000 mA 10 nA "
30.000 mA 100 nA "
300.00 mA 1 µA "
3.0000 A 100 µA "
10.000 A 1 mA "
A≃  300.00 µA 10 nA mq Curr., unit A, mqflags AC,DC,RMS
3.0000 mA 100 nA "
30.000 mA 1 µA "
300.00 mA 10 µA "
3.0000 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 mq V, unit V, mqflags AC,RMS,REL Counts events >= 2500 digits that last >=2s with a break >=2s. To activate, switch to voltage ACDC, press yellow button twice. Press up to 4 times to cycle parameters, press long to stop. See manual. Not useful remotely because the current measurement value is sent, not the counter.
Stop Watch (Time data) To activate, select a 3V-1000V range manually, press yellow button, press AUTO for start/stop, DATA for reset. Delivers only invalid data ("Overflow") via IR on  Matthias' test device.
Data Hold mqflags += HOLD Disabled while IR interface is active on  Matthias' test device.
MIN mqflags += MIN Influences only display, via IR flag is set, but actual current value is delivered.
MAX mqflags += MAX Influences only display, via IR flag is set, but actual current value is delivered.

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

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