Emerson Rosemount Clarity II T56, Reference Manual

Page: 10 / 60

FM
approvals
Class I, Division 2, Groups A, B, C, and D
Class II, Division 2, Groups E, F, and G
T4 Tamb = -10 °C to 60 °C
1.2.2 Sensor
Method ISO 7027 (using 860 nm LED source).
LED life Three years (ISO 7027)
Wetted materials Delrin
1
, glass, EPDM
Accuracy after
calibration at 20.0 NTU 0 - 1 NTU: ±2 percent of reading or ±0.015 NTU, whichever is
greater.
0 - 20 NTU: ±2 percent of reading
Note
The sensor can measure turbidity values of 2-200 NTU, but
frequent cleaning may be required to maintain turbidity
measurements.
Cable 20 ft. (6.1 m) or 50 ft (15.2 m). Connector is IP65.
Maximum pressure 30 psig (308 kPa abs)
Temperature 40 to 95 °F (5 to 35 °C)
Sensor body rating IP65 when cable is connected.
1.2.3 Debubbler and flow chamber
Dimensions 18.1 x 4.1-in. (460 mm x 104 mm) diagram (approximately)
Wetted materials ABS, EPDM, Delrin
®
, polypropylene, nylon
Inlet Compression fitting accepts ¼ -in. OD tubing; fitting can be
removed to provide ¼ -in. FNPT.
Drain Barbed fitting accepts
⅜
-in. ID tubing; fitting can be removed
to provide ¼ -in. female national pipe thread (FNPT). Must
drain to atmosphere.
Sample temperature 40 to 95 °F (5 to 35 °C)
Minimum inlet
pressure 3.5 psig (308 kPa abs).
3.5 psig will provide about 0.01 oz./min (250 mL/min) sample
flow.
Maximum inlet
pressure 30 psig (308 kPa abs). Do not block drain tube.
Recommended sample
flow 0.01 to 0.03 oz./min (250 to 750 mL/min)
Description and specifications Reference Manual
July 2020 00809-0100-3565
10 Emerson.com/Rosemount