The general purpose meter displays engineering units with one 4-20 mA or 0-10 VDC transmitter input channel and is offered in three configurations with optional 2 or 4 relays, 4 or 8 set points and an isolated 4-20 mA repeater. Each relay can be configured on a single set point or latched on two set points for automatic fill or empty control including duplexing. For field mount installations, order the single or two meter NEMA box. Bright 6-digit LED main display and secondary unit display with relay status indicators 1/8 DIN enclosure with NEMA 4X faceplate and shallow depth case 32-point linearization function for volumetric tank measurement Non-volatile memory with security password protected lock out Isolated 4-20 mA repeater output with 40 mA internal power supply