Decagon Devices GS3 User Manual

GS3 Integrator Guide R34
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2
PHYSICAL CHARACTERISTICS
SENSOR IMAGE
SENSOR NAME
GS3 Greenhouse Sensor
DIMENSIONS
9.3 cm X 6.5 cm X 2.4 cm
CABLE LENGTH
*
5 meters
* Custom cable lengths are available for an additional cost.
ELECTRICAL AND TIMING CHARACTERISTICS
PARAMETER
MIN
TYP
MAX
UNITS
Supply Voltage (VCC) to GND
3.6
15
V
Digital Input Voltage (logic high)
2.8
3
3.9
V
Digital Input Voltage (logic low)
-0.3
0
0.8
V
Power Line Slew Rate
1
V/mS
Current Drain (during measurement)
0.5
3
30
mA
Current Drain (while asleep)
0.03
mA
Operating Temperature Range
-40
50
°C
Power Up Time (DDI-Serial)
100
mS
Power Up Time (SDI-12)
100
150
200
mS
Measurement duration
150
200
mS
Cable Capacitance / meter
250
pF
Cable Resistance / meter
35
mΩ
EQUIVALENT CIRCUIT DIAGRAM CONNECTION TYPES
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.
PIGTAIL CABLE
STEREO CABLE
Data
Power
Ground
Data
Power
Ground

Decagon Devices GS3 Specifications

General

Brand	Decagon Devices
Model	GS3
Category	Accessories
Language	English