Decagon Devices GS3 Manuel - Page 2

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GS3 Integrator Guide

PHYSICAL CHARACTERISTICS

SENSOR IMAGE
SENSOR NAME
DIMENSIONS
CABLE LENGTH
*
* Custom cable lengths are available for an additional cost.
ELECTRICAL AND TIMING CHARACTERISTICS
PARAMETER
Supply Voltage (VCC) to GND
Digital Input Voltage (logic high)
Digital Input Voltage (logic low)
Power Line Slew Rate
Current Drain (during measurement)
Current Drain (while asleep)
Operating Temperature Range
Power Up Time (DDI-Serial)
Power Up Time (SDI-12)
Measurement duration
Cable Capacitance / meter
Cable Resistance / meter
EQUIVALENT CIRCUIT DIAGRAM
NOTE: This is a low impedance variant of the recommended SDI-12
Specification. This allows up to 62 sensors to be maintained on a bus.
For support contact us via email at
or call us at 1.509.332.5600 between 7AM to 5PM PST
GS3 Greenhouse Sensor
9.3 cm X 6.5 cm X 2.4 cm
5 meters
MIN
TYP
3.6
2.8
3
-0.3
0
1
0.5
3
0.03
-40
100
150
150
250
35

CONNECTION TYPES

PIGTAIL CABLE
STEREO CABLE
R34
MAX
UNITS
15
V
3.9
V
0.8
V
V/mS
30
mA
mA
50
°C
100
mS
200
mS
200
mS
pF
mΩ
Ground
Data
Power
Ground
Data
Power
2