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humidity and pressure measurements
Chart 93 is a Monday start chart printed in red
measuring from 960 – 1060mb
Length: 243mm (9
Waterproof (IP67) and floats
Lambrecht 251 Thermograph Rain humidity and pressure measurementsDescription Features Specification Manually manufactured, the MET 251 Thermograph is a traditional option for measuring and recording temperature. The recording of temperature values via a thermograph is tamper proof and requires no connection to any existing system. The clock work drum is driven by a mechanical system acc. to DIN 58658 specifications. These delicate mechanics are housed inside a robust metal housing making the 251 Thermograph
