sq 16 Datalogger
Operating Manual
Page 7
www.grantinstruments.com
4.0 Operating instructions
4.1 Product description sq16, sq16 plus
The product is a low-power data-logger designed for indoor use by, or supervised by, a
professional user.
4.1.1 Product Box contents
•
sq16 or sq16 plus Datalogger
•
Mains Adapter MPU 12V
•
USB cable
•
AA Batteries x 6
•
Current shunt resistors for 4 to 20mA inputs, 10ohms x 4
•
Sensor Connectors, 6-way x 4, 3-way x1 with cable ties
•
Getting Started Guide (this booklet)
•
Warranty Card
Unpack the contents, check everything is present and retain the outer packaging for future
use.
4.1.2 Connections
1. Floating connections
Connection
Description
Maximum permissible
ratings
Sensor Inputs
sq16
Inputs for measuring
voltage, current and
temperature
Common-mode
voltage w.r.t.
supply 0V
+/-
60Vdc
Voltage between
pins
75Vdc
Sensor Inputs
sq16plus
Inputs for measuring
voltage, current and
temperature
Common-mode
voltage w.r.t.
supply 0V
+/-
60Vdc
Voltage between
pins
100Vdc
2. Connections referenced to 0V of External Power Input
Sensor Inputs
Digital inputs.
Alarm outputs
RS232 comms
Control &
Status
button
External
Power
Input
Power output for
powered sensors
Micro SD
Card Port
USB 2.0
Port