Difference between revisions of "Gossen Metrawatt Metrahit 27I"
Jump to navigation
Jump to search
Uwe Hermann (talk | contribs) (Set status to Planned.) |
|||
| (4 intermediate revisions by one other user not shown) | |||
| Line 3: | Line 3: | ||
| name = Gossen Metrawatt 27I | | name = Gossen Metrawatt 27I | ||
| status = planned | | status = planned | ||
| source_code_dir = | | source_code_dir = <!-- gmc-mh-1x-2x --> | ||
| counts = 31000 | | counts = 31000 | ||
| categories = CAT II 600 V | | categories = CAT II 600 V | ||
| Line 14: | Line 14: | ||
'''Please note: This page is a work in progress and still partly incorrect.''' | '''Please note: This page is a work in progress and still partly incorrect.''' | ||
The '''[[Gossen Metrawatt]] Metrahit 27I''' is a 3100/31000 counts 600 V CAT II handheld digital multimeter with IR (RS232/USB) connectivity. It supports milliohm and insulation (megaohm) measurements and has data logging capabilities. | The '''[[Gossen Metrawatt]] Metrahit 27I''' is a 3100/31000 counts 600 V CAT II handheld digital multimeter with bidirectional IR (RS232/USB) connectivity. It supports milliohm and insulation (megaohm) measurements and has data logging capabilities. | ||
There are two versions of this device, an older one with yellow rotary switch and a newer one with red rotary switch. They also have different power supply connectors. | There are two versions of this device, an older one with yellow rotary switch and a newer one with red rotary switch. They also have different power supply connectors. | ||
| Line 47: | Line 47: | ||
The device has got a device address that can be set to values from 0 to 15 in the setup. Using the device address 15 is recommended if only a single device is used, it sets a special mode with simplified addressing. The device address 0 sets a special mode where the multimeter does not send replies. It cannot be used with sigrok. | The device has got a device address that can be set to values from 0 to 15 in the setup. Using the device address 15 is recommended if only a single device is used, it sets a special mode with simplified addressing. The device address 0 sets a special mode where the multimeter does not send replies. It cannot be used with sigrok. | ||
If several devices of the Metrahit 27x family are used on the same RS232 interface using cascaded ''RS232'' interfaces, they need to be set to different device addresses from 1 to 15. In opposite to what the manual says, it seems that the device address 15 can be used, too. | If several devices of the Metrahit 27x family are used on the same RS232 interface using cascaded ''RS232'' interfaces, they need to be set to different device addresses from 1 to 15. In opposite to what the manual says, it seems that the device address 15 can be used, too. Using several devices on the same RS232 interface is an untested feature. | ||
Please contact [[User:Matthias Heidbrink | Matthias']] if you can test one of the untested features. | Please contact [[User:Matthias Heidbrink | Matthias']] if you can test one of the untested features. | ||
| Line 220: | Line 220: | ||
| 3 GΩ | | 3 GΩ | ||
| 1 MΩ | | 1 MΩ | ||
| ±( | | ±(3% + 10) | ||
| " | | " | ||
| " | | " | ||
| Line 264: | Line 264: | ||
|- | |- | ||
| Pt100/Pt1000<br> +100.0 - 850.0 °C | | Pt100/Pt1000<br> +100.0 - 850.0 °C | ||
| rowspan="2" | ±(0. | | rowspan="2" | ±(0.5K + 5) | ||
| " | | " | ||
| | | | ||
| Line 286: | Line 286: | ||
| | | | ||
| | | | ||
| mqflags += HOLD | |||
| | | | ||
|- | |- | ||
| Line 294: | Line 294: | ||
| | | | ||
| | | | ||
| mqflags += MIN | |||
| | | | ||
|- | |- | ||
| Line 302: | Line 302: | ||
| | | | ||
| | | | ||
| mqflags += MAX | |||
| | | | ||
|- | |- | ||
| Line 311: | Line 311: | ||
The column "sigrok result" contains in short form what the driver generates for the resp. data type. | The column "sigrok result" contains in short form what the driver generates for the resp. data type. | ||
This device has an uncommon input impendance of 2.1 MΩ in AC/DC voltage measurement modes. | |||
[[Category:Device]] | [[Category:Device]] | ||
[[Category:Multimeter]] | [[Category:Multimeter]] | ||
[[Category:Planned]] | [[Category:Planned]] | ||
Latest revision as of 19:52, 20 December 2016
| Status | planned |
|---|---|
| Counts | 31000 |
| IEC 61010-1 | CAT II 600 V |
| Connectivity | Infrared (RS232/USB) |
| Measurements | voltage, resistance, temperature, diode, continuity |
| Features | autorange, data hold, backlight, insulation measurement, data logging |
| Website | [1] |
Please note: This page is a work in progress and still partly incorrect.
The Gossen Metrawatt Metrahit 27I is a 3100/31000 counts 600 V CAT II handheld digital multimeter with bidirectional IR (RS232/USB) connectivity. It supports milliohm and insulation (megaohm) measurements and has data logging capabilities.
There are two versions of this device, an older one with yellow rotary switch and a newer one with red rotary switch. They also have different power supply connectors.
Hardware
- Power supply:
- Battery: 3x 1,2 V NiMH rechargeable batteries
- External power supply NA HIT 27 (Art. Z218J) by Gossen Metrawatt, 5V, 600 mA (newer version)
- Fuse:
- FF (UR) 1,6 A/1000 V AC/DC (10 kA) 6,3 mm x 32 mm
Photos
Communication Protocol
The complete description is available on request from the manufacturer.
Measurement functions and ranges
| Measurement function | Range | Resolution | Accuracy | sigrok result | Remarks |
|---|---|---|---|---|---|
| V= | 3 V | 100 μV | ±(0.1% + 10) | mq V, unit V, mqflags DC | |
| 30 V | 1 mV | ±(0.1% + 5) | " | ||
| 300 V | 10 mV | " | |||
| 600 V | 100 mV | " | |||
| V≈ | 3 V | 100 μV | ±(0.2% + 10) | mq V, unit V, mqflags AC | |
| 30 V | 1 mV | " | |||
| 300 V | 10 mV | " | |||
| 600 V | 100 mV | " | |||
| mΩ@1A | 3 mΩ | 0.001 mΩ | ±(1% + 10) | mq Res., unit Ω, mqflags - | 4-wire Kelvin measurement |
| 30 mΩ | 0.001 mΩ | ±(0.5% + 10) | " | " | |
| 300 mΩ | 0.01 mΩ | " | " | ||
| mΩ@200 mA | 30 mΩ | 0.01 mΩ | ±(0.25% + 10) | " | " |
| 300 mΩ | 0.01 mΩ | " | " | ||
| 3 Ω | 0.1 mΩ | " | " | ||
| 30 Ω | 1 mΩ | " | " | ||
| Ω | 300.00 Ω | 1 mΩ | ±(0.1% + 10) | " | ZERO with yellow button |
| 3.0000 kΩ | 10 mΩ | ±(0.1% + 5) | " | " | |
| 30.000 kΩ | 100 mΩ | " | |||
| 300.00 kΩ | 1 Ω | " | |||
| 3.0000 MΩ | 10 Ω | " | |||
| 30.000 MΩ | 100 Ω | ±(1.5% + 10) | " | ||
| MΩ (Insulation) | 30 MΩ | 10 kΩ | ±(2% + 10) | " | Insulation measurement, test voltage selectable 50/100/250/500 V |
| 300 MΩ | 100 kΩ | " | " | ||
| 3 GΩ | 1 MΩ | ±(3% + 10) | " | " | |
| Cont. | 310 Ω | 100 mΩ | ±(1% + 5) | mq Res., unit Ω, mqflags - | Signal < about 10 Ω |
| Diode | 3 V | 100 µV | ±(1% + 5) | mq V, unit V, mqflags DC,DIODE | |
| Hz | 300.00 Hz | 0.01 Hz | ±(0.05% + 5) | mq Freq., unit Hz, mqflags AC | |
| 3.000 kHz | 0.1 Hz | " | |||
| °C | Pt100/Pt1000 –200.0 - +100.0 °C |
0.1 °C | ±(1 K + 5) | mq Temp., unit °C, mqflags - | |
| Pt100/Pt1000 +100.0 - 850.0 °C |
±(0.5K + 5) | " | |||
| Ni 100/Ni1000 -60-+180 °C |
" | Not tested yet due to lack of corresponding sensor. | |||
| °F | " | " | " | mq Temp., unit °F, mqflags - | Details and ranges like °C. |
| Data Hold | mqflags += HOLD | ||||
| MIN | mqflags += MIN | ||||
| MAX | mqflags += MAX |
The Accuracy row was simplified, see manual for exact specs.
The column "sigrok result" contains in short form what the driver generates for the resp. data type.
This device has an uncommon input impendance of 2.1 MΩ in AC/DC voltage measurement modes.