... required, other pressure classes are available.)-CH1: 1-channel-CH2: 2-channel-CH3: 3-channel-CH4: 4-channel-CH5: 5-channelNote: For DN100 and above ... , 3-channel is optional. ForDN200 and above, 5-channel is ... , operating pressure of less than 1.6Mpa, 5-channel flowmeter, Pt1000 sensor, 4-wire, w/1.5m cable, AC 220V power ...