MASTECH MS2115B
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 | |
| Status | planned |
|---|---|
| Source code | serial-dmm |
| Counts | 6000 |
| IEC 61010-1 | CAT III (1000V) / CAT IV (600V) |
| Connectivity | USB/serial |
| Measurements | voltage, current, resistance, capacitance, frequency, duty cycle, diode, continuity |
| Features | autorange, true-rms, data hold, min/max, relative, inrush, bargraph, backlight, ncv |
The MASTECH MS2115B is a 6000 counts, CAT III (1000V) / CAT IV (600V) handheld dual display digital clamp meter with USB connectivity.
Hardware
- CP2102 USB to UART bridge controller
- ES51970 dmm analog front end with inrush (datasheet)
Photos
Device, front
Device, back
USB interface
Protocol
The chip periodically sends 9-byte packets at 1200 baud, 8n1. There is no checksum or CRC in the packet.