Turbidity Plus Sensor
998-2187
Rev. G
Page 17
Appendix A: Specifications
*Accuracy is
determined by the user’s correlation between the 0-5 V output and the 0-3000
NTU range. Resolution is determined by the datalogger. Turbidity Plus are not factory
calibrated.
Parameter
Specification
Power Draw
@ 12V: Max 140mW (180mW for 500NTU) signal only
@ 12V: Typical 230mW (280mW for 500NTU) while wiper
rotates.
Power draw increases if there is resistance to the wiper.
Input Voltage
3 - 15 VDC
Signal Output
Single gain, 0
– 5 VDC Analog
3000 NTU
500NTU
MDL
0.5 NTU
0.05 NTU
Range
0-3000 NTU*
0-500 NTU*
Precision
0
– 10 (± 0.1 NTU)
10
– 1000 (± 0.4 NTU)
> 1000 (± 0.04% of NTU
Concentration)
0-50 NTU (± 0.05 NTU)
50-500 NTU (± 0.25 NTU)
Linearity (full range)
0.99 R
2
Wiper Trigger
Pulse to zero (ground) for wiper rotation
Minimum Pulse Width for Wiper
Trigger
50 milliseconds
Temperature Range
Ambient: 0 to 50
C
Water Temp: -2 to +50
C
Light Source
Light Emitting Diode
Excitation Wavelength
IR
Detector
Photodiode
Settling time from power on
T
99
= < 3 seconds
Housing Material -
Delrin
Dimensions -
L
– Housing only: 4.35 in., 11.05 cm
L - Housing with connector and wiper: 6.10 in., 15.49 cm;
D: 1.185 in., 3.01 cm
Depth Rating
200 meters
Weight with Connector and Wiper
4.9 oz; 138 gm
Sampling focal point is in front of the sensor face
No data averaging - analog signal output
Содержание 2180-000
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