The CA-21 is a compact coulometric Karl Fischer moisture meter for the economic user. The airtight, ground glass, one piece titration cell provides near zero background levels of moisture and can be used with either a fritted or frittless cathode solution cell. The CA-21 is designed with simplicity of operation in mind. Enter the sample size, press start and inject the sample; the CA-21 does the rest. The result is viewed on the 22 digit LCD display and a hardcopy printout generated with the optional mini-printer. Configure the CA-21 with the optional battery pack and aluminum carrying case for a convenient, rugged and completely portable system. Ideal for measuring moisture in transformer oils in the power and utility industry, the CA-21 is the only moisture meter you will ever need. ASTM, ISO, DIN, JIS & UOP methodologies are all possible with the CA-21; the ultimate portable coulometric Karl Fischer moisture meter.