Apogee SQ-627, Owner'S Manual, Page: 5 / 17

SENSOR MODELS
This manual covers the digital model SQ-627 Extended Range PFD SDI-12 Sensor (in bold below). Additional models
are covered in their respective manuals.
Model Signal
SQ-620 Self-powered
SQ-622 0-2.5 V
SQ-624 4-20 mA
SQ-625 0-5 V
SQ-626 USB
SQ-627 SDI-12
SQ-628 Modbus
Sensor model number and serial number are
located on the bottom of the sensor. If the
manufacturing date of a specific sensor is
required, please contact Apogee Instruments
with the serial number of the sensor.