OBS501 Smart Turbidity Meter with ClearSensor
®
Technology
7
Dual Probe:
Backscatter and 90-degree sidescatter
Turbidity Units (TU) Range:
,
for information about
turbidity units)
Active and Passive Antifouling:
Shutter, wiper, biocide, copper, optional
removable sleeve
Accuracy:
0.5 TU or ±2% of reading, whichever is
greater
Temperature Accuracy:
±0.3 °C, 0 to 40 °C
Temperature Range:
0 to 40 °C,
non-freezing, ice may destroy
the sensor
Storage Temperature:
0 to 45 °C
Emitter Wavelength:
850 nm
Power Requirements:
9.6 to 18 Vdc
Power Consumption
Quiescent Current:
< 200 μA
Measurement/
Communication Current:
< 40 mA
Shutter Motor Active Current:
< 120 mA
Maximum Peak Current:
200 mA for 50 ms when shutter motor
starts
Cycle Time:
Open, measure, close, < 25 s
Measurement Time:
< 2 s
Outputs:
SDI-12 (version 1.3) 1200 bps
RS-232 9600 bps, 8 data bits, 1 stop bit,
no parity, no flow control
Analog 0 to 5 V
Submersion Depth:
100 m (328 ft)
Diameter:
4.76 cm (1.875 in)
Length:
27 cm (10.625 in)
Weight:
0.52 kg (1.15 lb)
Maximum Cable Length:
460 m (1500 ft) (1 channel SDI-12 or
Analog); 15 m (50 ft) (RS-232)
7. Installation
If you are programming your datalogger with
Short Cut
(p. 12)
(p. 14)
.
Short
Cut
does this work for you. See Section
(p. 3)
, for a
Short Cut
tutorial.
