The multi-parameter M400 transmitter series features Intelligent Sensor Management (ISM) technology for pH/ORP, DO, CO2, and conductivity measurement.

Parameter(s) Dissolved CO2 Dissolved Ozone pH Conductivity Optical DO Dissolved Oxygen ORP

Sensor Type ISMAnalog

Current Output(s) Digital Output 4 x 0/4-20mA

Analog Inputs 1

Inputs (2) 2

Communication HART

Hazardous Area Approvals Yes

Approvals and Certificates NEPSI Zone 2UL (US & Canada)cCSAus Cl.I Div.2ATEX / IECEx Zone 2CE compliantFM cFMus Cl.I Div. 2

Wired Mode 4-Wire

Power Supply 100 V to 240 VAC or 20 to 30 VDC, 10 VA