KERN scale series

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KERN scale
Kern ew-6200-2nm mugshot.png
Status supported
Source code kern-scale
Connectivity RS232
Measurements mass
Website kern-sohn.com

The KERN scale is a series of weighing scales with RS232 connectivity.

Devices

Device Max. weight Readout Protocol Comments
KERN EW 220-3NM 220g 0.001g 14/15-byte ASCII
KERN EW 420-3NM 420g 0.001g 14/15-byte ASCII
KERN EW 620-3NM 620g 0.001g 14/15-byte ASCII
KERN EW 820-2NM 820g 0.01g 14/15-byte ASCII
KERN EW 2200-2NM 2200g 0.01g 14/15-byte ASCII
KERN EW 4200-2NM 4200g 0.01g 14/15-byte ASCII
KERN EW 6200-2NM 6200g 0.01g 14/15-byte ASCII
KERN EW 12000-1NM 12000g 0.1g 14/15-byte ASCII
KERN EG 220-3NM 220g 0.001g 14/15-byte ASCII
KERN EG 420-3NM 420g 0.001g 14/15-byte ASCII
KERN EG 620-3NM 620g 0.001g 14/15-byte ASCII
KERN EG 2200-2NM 2200g 0.01g 14/15-byte ASCII
KERN EG 4200-2NM 4200g 0.01g 14/15-byte ASCII

Protocol

The devices use a simple ASCII-based protocol over an RS232 cable.

The default settings are (device-dependent) e.g. 1200/8n2, but the devices usually have a menu where the user can change the baudrate, parity settings, and so on.

There are two different packet lengths (also user-configurable via the menu): 14-byte packets and 15-byte packets.

See e.g. the KERN EW/EG-N/EWB series user manual for more protocol details.

Resources