Difference between revisions of "Gossen Metrawatt T-Com KMM2002"

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{{Infobox multimeter
{{Infobox multimeter
| image          = <!-- [[File:Gossen Metrawatt Metrahit 16I small.png|180px]] -->
| image          = [[File:Gmc kmm2002 logo.png|180px]]
| name            = Gossen Metrawatt T-Com KMM2002
| name            = Gossen Metrawatt T-Com KMM2002
| status          = in progress
| status          = supported
| source_code_dir = gmc_mh_1x_2x
| source_code_dir = gmc-mh-1x-2x
| counts          = 3100 (31000)
| counts          = 3100 (31000)
| categories      = CAT II 1000 V
| categories      = CAT II 1000 V
| connectivity    = Infrared (RS232)
| connectivity    = Infrared (RS232)
| measurements    = voltage, current, resistance, capacitance, temperature, diode, continuity
| measurements    = voltage, current, resistance, capacitance, temperature, diode, continuity
| features        = autorange, data hold, bargraph
| features        = autorange, data hold, bargraph, backlight
| website        = [http://www.gossenmetrawatt.com/english/produkte/metrahit16t.htm]
| website        = [http://www.gossenmetrawatt.com/english/produkte/metrahit16t.htm]
}}
}}


The '''[[Gossen Metrawatt]] T-Com KMM2002''' is a 3100 counts handheld digital multimeter with IR (RS232) connectivity and insulation measurement (100 V). It seems to be an OEM version of the ''Metrahit 16T'' especially made for T-Com.
The '''[[Gossen Metrawatt]] T-Com KMM2002''' is a 3100 counts handheld digital multimeter with IR (RS232) connectivity and insulation measurement (100 V). It seems to be an OEM version of the ''Metrahit 16T'' especially made for T-Com (Deutsche Telekom). Additional features seems to be a backlight and a 30 nF capacity range.


The resolution is one digit higher on the data interface.
The resolution is one digit higher on the data interface.
Line 24: Line 24:
== Photos ==
== Photos ==


<!--
<gallery>
<gallery>
File:metrahit_16i_1.jpg|<small>Package</small>
File:Gmc kmm2002 1.png|<small>With rubber sleeve</small>
File:metrahit_16i_2.jpg|<small>Inside</small>
File:Gmc kmm2002 2.jpg|<small>Front</small>
File:Gmc kmm2002 3.jpg|<small>Back</small>
File:Gmc kmm2002 4.jpg|<small>Inside</small>
File:Gmc kmm2002 5.jpg|<small>Inside, inner cover removed</small>
File:Gmc kmm2002 6.jpg|<small>Board details 1</small>
File:Gmc kmm2002 7.jpg|<small>Board details 2</small>
</gallery>
</gallery>
-->


== Measurement functions and ranges ==
== Measurement functions and ranges ==


The specification of the ''KMM2002'' seems not to be available to the public. The following are the specs of the ''Metrahit 16T'' which seems to be quite identical.
The specifications of the ''KMM2002'' seem not to be available to the public. The following is taken from the specs of the ''Metrahit 16T'' which seems to be almost identical and the ''Metrahit 16I'' .


{|border="0" style="font-size: smaller" class="alternategrey sortable sigroktable"
{|border="0" style="font-size: smaller" class="alternategrey sortable sigroktable"
Line 48: Line 51:
| 30 mV
| 30 mV
| 10 μV
| 10 μV
| ±(0,5% + 3)
| ±(0.5% + 3)
| mq V, unit V, mqflags DC
| mq V, unit V, mqflags DC
| Input impendance >10 GΩ; not covered by autorange, use manual range
| Input impendance >10 GΩ; not covered by autorange, use manual range
Line 55: Line 58:
| 300 mV
| 300 mV
| 100 μV
| 100 μV
| ±(0,5% + 3)
| ±(0.5% + 3)
| "
| "
| "
| "
Line 62: Line 65:
| 3 V
| 3 V
| 1 mV
| 1 mV
| rowspan="3" | ±(0,25% + 1)
| rowspan="3" | ±(0.25% + 1)
| "
| "
|
|
Line 79: Line 82:


|-
|-
| 600 V
| 1000 V
| 1 V
| 1 V
| ±(0,35% + 1)
| ±(0.35% + 1)
| "
| "
|
|
Line 138: Line 141:


|-
|-
| rowspan="2" | A≈ (Clamp only)
| rowspan="2" | A≈ (clamp only)
| 30 A
| 30 A
| 10 mA
| 10 mA
| rowspan="2" | ±(2,5% + 3) (>10 Digit)
| rowspan="2" | ±(2.5% + 3) (>10 Digit)
| mq Curr., unit A, mqflags AC,DC,RMS
| mq Curr., unit A, mqflags AC,DC,RMS
| rowspan="2" | Current clamp with 100 mV/A required, e.g. GMC WZ12B
| rowspan="2" | Current clamp with 100 mV/A required, e.g. GMC WZ12B
Line 154: Line 157:
| 30.00 Ω
| 30.00 Ω
| 10 mΩ
| 10 mΩ
| rowspan="2" | ±(0,5% + 3)
| rowspan="2" | ±(0.5% + 3)
| mq Res., unit Ω, mqflags -  
| mq Res., unit Ω, mqflags -  
|
|
Line 167: Line 170:
| 3.000 kΩ
| 3.000 kΩ
| 1 Ω
| 1 Ω
| rowspan="3" | ±(0,4% + 1)
| rowspan="3" | ±(0.4% + 1)
| "
| "
|
|
Line 186: Line 189:
| 3.000 MΩ
| 3.000 MΩ
| 1 kΩ
| 1 kΩ
| ±(0,6% + 1)
| ±(0.6% + 1)
| "
| "
|
|
Line 193: Line 196:
| 30.00 MΩ
| 30.00 MΩ
| 10 kΩ
| 10 kΩ
| ±(2,0% + 1)
| ±(2.0% + 1)
| "
| "
|
|
Line 209: Line 212:
| 3.0000 V–
| 3.0000 V–
| 1 mV
| 1 mV
| ±(0,25% + 1)
| ±(0.25% + 1)
| 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.
| Diode and cont. are identical on this device, just without beeper for diode.


|-
|-
| rowspan="4" | Cap. F
| rowspan="3" | Cap. F
| 30.00 nF
| 30.00 nF
| 10 pF
| 10 pF
| rowspan="3" | ±(1,0% + 3)
| rowspan="3" | ±(1.0% + 3)
| mq Cap., unit F, mqflags -
| mq Cap., unit F, mqflags -
|
|  


|-
|-
| 300.0 nF
| 300.0 nF
| 100 pF  
| 100 pF
| "
| "
|
|
Line 230: Line 233:
| 3.000 µF
| 3.000 µF
| 1 nF
| 1 nF
| "
|
|-
| 30.00 µF
| 10 nF
| ±(3,0% + 3)
| "
| "
|
|
Line 245: Line 241:
| 0.01 Hz
| 0.01 Hz
| rowspan="4" | ±(0.1% + 3)
| rowspan="4" | ±(0.1% + 3)
| mq Freq., unit Hz, mqflags DC
| mq Freq., unit Hz
|
| Communication protocol does not allow to differ AC and DC.


|-
|-
Line 264: Line 260:
| 10 Hz
| 10 Hz
| "
| "
|
| Device actually measures up to more than 160 kHz.


|-
|-
Line 271: Line 267:
| 0.01 Hz
| 0.01 Hz
| rowspan="4" | ±(0.1% + 3)
| rowspan="4" | ±(0.1% + 3)
| mq Freq., unit Hz, mqflags AC
| mq Freq., unit Hz
|
| Communication protocol does not allow to differ AC and DC.


|-
|-
Line 290: Line 286:
| 10 Hz
| 10 Hz
| "
| "
|
| Device actually measures up to more than 160 kHz.


|-
|-
Line 357: Line 353:
[[Category:Device]]
[[Category:Device]]
[[Category:Multimeter]]
[[Category:Multimeter]]
[[Category:In progress]]
[[Category:Supported]]

Latest revision as of 20:34, 21 September 2016

Gossen Metrawatt T-Com KMM2002
Gmc kmm2002 logo.png
Status supported
Source code gmc-mh-1x-2x
Counts 3100 (31000)
IEC 61010-1 CAT II 1000 V
Connectivity Infrared (RS232)
Measurements voltage, current, resistance, capacitance, temperature, diode, continuity
Features autorange, data hold, bargraph, backlight
Website [1]

The Gossen Metrawatt T-Com KMM2002 is a 3100 counts handheld digital multimeter with IR (RS232) connectivity and insulation measurement (100 V). It seems to be an OEM version of the Metrahit 16T especially made for T-Com (Deutsche Telekom). Additional features seems to be a backlight and a 30 nF capacity range.

The resolution is one digit higher on the data interface.

Hardware

  • Battery: 9 V IEC 6 LR 61
  • Fuse: None! (not required, no internal amps ranges)
  • TODO.

Photos

  • With rubber sleeve

  • Front

  • Back

  • Inside

  • Inside, inner cover removed

  • Board details 1

  • Board details 2

Measurement functions and ranges

The specifications of the KMM2002 seem not to be available to the public. The following is taken from the specs of the Metrahit 16T which seems to be almost identical and the Metrahit 16I .

Measurement function Range Resolution Deviation sigrok result Remarks
V= 30 mV 10 μV ±(0.5% + 3) mq V, unit V, mqflags DC Input impendance >10 GΩ; not covered by autorange, use manual range
300 mV 100 μV ±(0.5% + 3) " "
3 V 1 mV ±(0.25% + 1) "
30 V 10 mV "
300 V 100 mV "
1000 V 1 V ±(0.35% + 1) "
V≈ 3 V 100 μV ±(1.0% + 3) (> 10 Digit) mq V, unit V, mqflags AC,RMS
30 V 100 μV "
300 V 1 mV "
1000 V 10 mV "
V≃ 3 V 100 μV ±(1.0% + 3) (> 10 Digit) mq V, unit V, mqflags AC,DC,RMS
30 V 100 μV "
300 V 1 mV "
1000 V 10 mV "
A≈ (clamp only)  30 A 10 mA ±(2.5% + 3) (>10 Digit) mq Curr., unit A, mqflags AC,DC,RMS Current clamp with 100 mV/A required, e.g. GMC WZ12B
100 A 100 mA "
Ω 30.00 Ω 10 mΩ ±(0.5% + 3) mq Res., unit Ω, mqflags -
300.0 Ω 100 mΩ "
3.000 kΩ 1 Ω ±(0.4% + 1) "
30.00 kΩ 10 Ω "
300.0 kΩ 100 Ω "
3.000 MΩ 1 kΩ ±(0.6% + 1) "
30.00 MΩ 10 kΩ ±(2.0% + 1) "
Ω Iso 100V 310 MΩ 100 Ω - 100 kΩ ±(3% + 2) mq Res., unit Ω, mqflags - Altogether 4 ranges with different resolution
Diode/Cont. 3.0000 V– 1 mV ±(0.25% + 1) mq V, unit V, mqflags DC,DIODE Diode and cont. are identical on this device, just without beeper for diode.
Cap. F 30.00 nF 10 pF ±(1.0% + 3) mq Cap., unit F, mqflags -
300.0 nF 100 pF "
3.000 µF 1 nF "
Hz= 300.0 Hz 0.01 Hz ±(0.1% + 3) mq Freq., unit Hz Communication protocol does not allow to differ AC and DC.
3.000 kHz 0.1 Hz "
30.00 kHz 1 Hz "
100.00 kHz 10 Hz " Device actually measures up to more than 160 kHz.
Hz≈ 300.0 Hz 0.01 Hz ±(0.1% + 3) mq Freq., unit Hz Communication protocol does not allow to differ AC and DC.
3.000 kHz 0.1 Hz "
30.00 kHz 1 Hz "
100.00 kHz 10 Hz " Device actually measures up to more than 160 kHz.
°C Pt100 –200.0 - +200.0 °C 0.1 °C 2 Kelvin + 5 mq Temp., unit °C, mqflags - °F temperature ranges accordingly, but not available via serial interface.
Pt100 +200.0 - +800.0 °C ±(1.0% + 5) "
Pt1000 –100.0 - +200.0 °C 2 Kelvin + 5 "
Pt1000 +200.0 - +800.0 °C ±(1.0% + 5) "
Event count Seems not to be present on data output.
Data Hold mqflags += HOLD Disabled while IR interface is active on  Matthias' 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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