Gossen Metrawatt Metrahit 28C
| Status | planned |
|---|---|
| Counts | 310000 |
| IEC 61010-1 | CAT II 250 V/CAT I 600 V |
| Connectivity | Infrared (RS232/USB) |
| Measurements | voltage, current, resistance, capacitance, temperature, continuity |
| Features | autorange, data hold |
| Website | [1] |
The Gossen Metrawatt Metrahit 28C is a 310000 counts 250 V CAT II/600 V CAT I handheld digital multimeter and calibrator with IR (RS232/USB) connectivity.
Hardware
- Power supply:
- Battery: 3x 1,5 V IEC R 6, IEC LR 6 or corresponding rechargeable batteries
- External power supply NA5/600 by Gossen Metrawatt, 5 V, 600 mA (proprietary 3-pin plug)
- Fuses:
- F1: Current: F 500 mA/250 V 5 x 20 mm
- F2: Current: F 500 mA/250 V 5 x 20 mm
- F3: Calibrator: M 125 mA/250 V 5 x 20 mm
Measurement functions and ranges
| Measurement function | Range | Max. Resolution | Accuracy | sigrok result | Remarks |
|---|---|---|---|---|---|
| V= | 300 mV | 1 μV | ±(0.05% + 15) | mq V, unit V, mqflags DC | Accuracy with ZERO; resolution from 2 1/2 to 5 1/2 digits depending on menu rAtE (min. 0.0005 s in storage mode) |
| 3 V | 10 μV | " | " | ||
| 30 V | 100 μV | " | " | ||
| 300 V | 1 mV | " | " | ||
| 600 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 | 1 mV | " | " | ||
| 300 V | 10 mV | " | " | ||
| 600 V | 100 mV | " | " | ||
| A= | 3.0000 mA | 10 nA | 0.05% + 15 | mq Curr., unit A, mqflags DC | |
| 30.000 mA | 100 nA | " | |||
| 300.00 mA | 1 µA | " | |||
| A≃ | 3.0000 mA | 100 nA | 0.5% + 30 | mq Curr., unit A, mqflags AC,RMS | |
| 30.000 mA | 1 µA | " | |||
| 300.00 mA | 10 µA | " | |||
| Ω | 30.000 mΩ | 0.01 mΩ | 0.5% + 5 | mq Res., unit Ω, mqflags - | 4-wire Calvin measurement |
| 300.00 mΩ | 0.1 mΩ | " | " | ||
| 3.0000 Ω | 1 mΩ | " | " | ||
| 30.000 Ω | 1 mΩ | " | " | ||
| 300.000 Ω | 1 mΩ | 0,07% + 20 (with ZERO) | mq Res., unit Ω, mqflags - | ||
| 3.00000 kΩ | 10 mΩ | 0,07% + 15 | " | ||
| 30.0000 kΩ | 100 mΩ | " | |||
| 300.000 kΩ | 1 Ω | " | |||
| 3.00000 MΩ | 10 Ω | " | |||
| 30.0000 MΩ | 100 Ω | 1.5% + 15 | " | ||
| Ω/Cont. | 300 Ω | 100 mΩ | 0,5% + 5 | mq Res., unit Ω, mqflags - | |
| Diode | 3 V | 100 µV | 0.5% + 5 | mq V, unit V, mqflags DC, DIODE | |
| Diode Zener | 15 V | 1 mV | 1% + 5 | mq V, unit V, mqflags DC, DIODE |
|
| Cap. F | 3.000 nF | 1 pF | 1.0% + 5 | 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 | " | |||
| Hz≈ | 300.00 Hz | 0.1 Hz | ±(0.05% + 5) | mq Freq., unit Hz, mqflags AC | To activate in voltage mode, press orange button twice. |
| 3.0000 kHz | 0.1 Hz | " | |||
| 100.000 kHz | 10 Hz | " | |||
| °C/°F | Pt100 –200.0 - +850 °C |
0.1 K | ±(1 K)/±(0,8 K)/±(0,5 % + 3) | mq Temp., unit °C, mqflags - | |
| Pt1000 –200.0 - +850.0 °C |
±(0,8 K)/±(0,5 % + 3) | " | |||
| Ni100 -60 - +180.0 °C |
±(0,5% + 3) | " | |||
| Ni1000 -60 - +180.0 °C |
±(0,5% + 3) | " | |||
| B (Pt30Rh-Pt6Rh) +100.0 - +500.0 °C |
±(1 + 5K) | " | |||
| B (Pt30Rh-Pt6Rh) +500.0 - 1820,0 °C |
±(1 + 5K) | " | |||
| J (Fe-CuNi) -210 - +1200.0 °C | ±(0,8% + 5) | " | |||
| K (NiCr-Ni) -250-+1372,0 °C | ±(0,8% + 5) | " |
The Accuracy row and °C/°F were simplified, see manual for exact specs.
The column "sigrok result" contains in short form what the driver generates for the resp. data type.