Difference between revisions of "Gossen Metrawatt Metrahit 28S"

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| rowspan="6" | Ω
| rowspan="6" | Ω
| 300.00 Ω
| 300.00 Ω
| 10 mΩ
| 1 mΩ
|  
|  
| mq Res., unit Ω, mqflags -
| mq Res., unit Ω, mqflags -
Line 262: Line 262:
|-
|-
| 3.0000 kΩ
| 3.0000 kΩ
| 100 mΩ
| 10 mΩ
|  
|  
| "
| "
Line 269: Line 269:
|-
|-
| 30.000 kΩ
| 30.000 kΩ
| 1 Ω
| 100 mΩ
|  
|  
| "
| "
Line 276: Line 276:
|-
|-
| 300.00 kΩ
| 300.00 kΩ
| 10 Ω
| 1 Ω
|  
|  
| "
| "
Line 283: Line 283:
|-
|-
| 3.0000 MΩ
| 3.0000 MΩ
| 100 Ω
| 10 Ω
|  
|  
| "
| "
Line 290: Line 290:
|-
|-
| 30.000 MΩ
| 30.000 MΩ
| 1 kΩ
| 100 Ω
|  
|  
| "
| "
|
|-
| Ohm/Cont.
| 300 Ω
| 100 mΩ
|
| mq Res., unit Ω, mqflags -
|  
|  


|-
|-
| Diode/Cont.
| Diode/Cont.
| 3.0000 V–
| 300 mV
| 1 mV
| 100 µV
|
| mq V, unit V, mqflags DC,DIODE
|
 
|-
| Diode
| 3 V
| 100 µV
|  
|  
| mq V, unit V, mqflags DC,DIODE
| mq V, unit V, mqflags DC,DIODE
| Diode and cont. are identical on this device, just without beeper for diode.
|  


|-
|-
Line 353: Line 369:


|-
|-
| 10.00 mF
| 30.00 mF
| 10 µF
| 1 µF
| "
| "
|  
|  


|-
|-
| rowspan="4" | Hz≃
| rowspan="3" | Hz≃
| 300.00 Hz
| 300.00 Hz
| 0.01 Hz
| 0.001 Hz
| rowspan="4" | ±(0.1% + 3)
| rowspan="3" | ±(0.1% + 3)
| mq Freq., unit Hz, mqflags AC,DC
| mq Freq., unit Hz, mqflags AC,DC
|
|
Line 368: Line 384:
|-
|-
| 3.0000 kHz
| 3.0000 kHz
| 0.1 Hz
| 0.01 Hz
| "
| "
|  
|  


|-
|-
| 30.000 kHz
| 300.000 kHz
| 1 Hz
| 1 Hz
| "
|
|-
| 100.000 kHz
| 10 Hz
| "
| "
|  
|  
Line 386: Line 396:
|-
|-
| rowspan="4" | °C
| rowspan="4" | °C
| Pt100 –200.0 - +100.0 °C
| Pt100/Pt1000<br> –200.0 - +100.0 °C
| rowspan="4" | 0.1 °C
| rowspan="4" | 0.1 °C
| 2 Kelvin + 5
| ±(0,5 K + 3)
| mq Temp., unit °C, mqflags -
| mq Temp., unit °C, mqflags -
|
|


|-
|-
| Pt100 +100.0 - +800.0 °C
| Pt100/Pt1000<br> +100.0 - 850.0 °C
| ±(1.0% + 5)
| ±(0,2% + 3)
| "
| mq Temp., unit °C, mqflags -
|
|


|-
|-
| Pt1000 –100.0 - +100.0 °C
| K NiCr-Ni -270-+1372,0 °C
| 2 Kelvin + 5
| ±(0,7% + 3)
| "
| "
|
|


|-
|-
| Pt1000 +100.0 - +800.0 °C
| J Fe-CuNi -210 - +1200.0 °C
| ±(1.0% + 5)
| ±(0,8% + 3)
| "
| "
|
|
|-
| °F
|
|
|
| mq Temp., unit °C, mqflags -
| Not tested yet.




Revision as of 09:02, 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 1 mΩ mq Res., unit Ω, mqflags -
3.0000 kΩ 10 mΩ "
30.000 kΩ 100 mΩ "
300.00 kΩ 1 Ω "
3.0000 MΩ 10 Ω "
30.000 MΩ 100 Ω "
Ohm/Cont. 300 Ω 100 mΩ mq Res., unit Ω, mqflags -
Diode/Cont. 300 mV 100 µV mq V, unit V, mqflags DC,DIODE
Diode 3 V 100 µV mq V, unit V, mqflags DC,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 "
30.00 mF 1 µF "
Hz≃ 300.00 Hz 0.001 Hz ±(0.1% + 3) mq Freq., unit Hz, mqflags AC,DC
3.0000 kHz 0.01 Hz "
300.000 kHz 1 Hz "
°C Pt100/Pt1000
–200.0 - +100.0 °C 		0.1 °C ±(0,5 K + 3) mq Temp., unit °C, mqflags -
Pt100/Pt1000
+100.0 - 850.0 °C 		±(0,2% + 3) mq Temp., unit °C, mqflags -
K NiCr-Ni -270-+1372,0 °C ±(0,7% + 3) "
J Fe-CuNi -210 - +1200.0 °C ±(0,8% + 3) "
°F mq Temp., unit °C, mqflags - Not tested yet.


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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