Gossen Metrawatt Metrahit 14A
Revision as of 23:02, 2 January 2014 by Matthias Heidbrink (talk | contribs) (→Measurement functions and ranges: More fixes)
 | |
| Status | supported |
|---|---|
| Source code | gmx_mh_1x_2x |
| Counts | 3100 |
| IEC 61010-1 | CAT III 1000 V, CAT IV 600 V |
| Connectivity | Infrared (RS232) |
| Measurements | voltage, current, resistance, temperature, diode, continuity |
| Features | autorange, data hold, bargraph |
The Gossen Metrawatt Metrahit 14A is a 3100 counts handheld digital multimeter with IR (RS232) connectivity.
It is very similar to the Metrahit 14S, but has no ranges of 3 µA= and 3 mA≈.
Hardware
- TODO.
Photos
Front
Display
Back
Back/battery cover removed
Cover removed
Measurement functions and ranges
| Measurement function | Range | Resolution | Accuracy | sigrok result | Remarks |
|---|---|---|---|---|---|
| V= | 30.00 mV | 10 μV | ±(0,5% + 3) | mq V, unit V, mqflags DC | Manual range |
| 300.0 mV | 100 μV | " | " | ||
| 3.000 V | 1 mV | ±(0,25% + 1) | " | ||
| 30.00 V | 10 mV | " | |||
| 300.0 V | 100 mV | " | |||
| 1000 V | 1 V | ±(0,35% + 1) | " | ||
| V≈ | 3.000 V | 1 mV | ±(0,75% + 2) | " | |
| 30.00 V | 10 mV | " | |||
| 300.0 V | 100 mV | " | |||
| 1000 V | 1 V | " | |||
| A= | 3.000 mA | 1 µA | mq Curr., unit A, mqflags DC | Activate how? | |
| 30.00 mA | 10 µA | " | |||
| 300.0 mA | 100 µA | " | |||
| 3.000 A | 1 mA | " | Activate how? | ||
| 10.00 A | 10 mA | " | |||
| A≈ | 30.00 mA | 10 µA | mq Curr., unit A, mqflags AC | ||
| 300.0 mA | 100 µA | " | |||
| 10.00 A | 10 mA | " | |||
| Ω | 30.00 Ω | 10 mΩ | mq Res., unit Ω, mqflags - | ||
| 300 Ω | 100 mΩ | " | |||
| 3.000 kΩ | 1 Ω | " | |||
| 30.00 kΩ | 10 Ω | " | |||
| 300.0 kΩ | 100 Ω | " | |||
| 3.000 MΩ | 1 kΩ | " | |||
| 30.00 MΩ | 10 kΩ | " | |||
| Diode/Cont. | 3.000 V– | 1 mV | mq V, unit V, mqflags DC,DIODE | Diode and cont. are identical on this device, just without beeper for diode. | |
| °C | Pt100 –200.0 - +200.0 °C | 0.1 °C | 2 Kelvin + 5 | mq Temp., unit °C, mqflags - | |
| Pt100 +200.0 - +850.0 °C | ±(1.0% + 5) | " | |||
| Pt1000 –100.0 - +200.0 °C | 2 Kelvin + 2 | " | |||
| Pt1000 +200.0 - +850.0 °C | ±(1.0% + 2) | " | |||
| Data Hold | mqflags += HOLD | Disabled while IR interface is active. | |||
| 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.