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TURBO INSTRUCTIONS
Seametrics • 253.872.0284
Page12 seametrics.com
APPENDIX A: TECHNICAL SPECIFICATIONS
General Specification
The Turbo sensor is a microprocessor based digital intelligent sensor designed to
measure and record turbidity, temperature, and time.
Wiring
Cable
OD
0.28” maximum
Break Strength 138 lbs.
Maximum Length 2000 feet
Weight 4 lbs. per 100 feet
Input Power
12 Vdc nominal (9–15 Vdc)
Ranges
0 - 400 NTU
0 - 3000 NTU
For Modbus
®
—
with 5-pin connector
For SDI-12 —
with 5-pin connector
For SDI-12 —
without connector
White
Purple
Yellow
Brown
Blue
Shield
12 VDC+ (Vaux)
Modbus D-
Modbus D+
SDI-12 (Not used)
Ground
1
2
3
4
5
5-Pin
Connector
White
Purple
Yellow
Brown
Blue
Shield
12 VDC+ (Vaux)
Modbus D- (Not used)
Modbus D+ (Not used)
SDI-12 Signal
12 VDC – (Gnd)
1
2
3
4
5
5-Pin
Connector
White
Purple
Yellow
Brown
Blue
Shield
(may be green)
12 VDC+ (Vaux)
Modbus D- (Not used)
Modbus D+ (Not used)
SDI-12 Signal
12 VDC – (Gnd)
Earth ground