Hach Flow Paddlewheel Sensor Manual Del Usuario página 3

Specifications
Specifications are subject to change without notice.
Table 1 Paddle wheel flow module
Specification Details
Frequency range 0–5,000 Hz
Flow rate Function of mounting hardware size
Accuracy ±0.1% of span
Sensitivity ±0.1% of span
Repeatability ±0.05% of span
Input filter 999 seconds
Temperature drift Zero and span: ±0.02% of span per °C
Response time 1–60 seconds to 90% of value upon step change
Table 2 Paddle wheel sensor
Specification Details
Wetted materials—Model Polypropylene body and impeller, Transformation
F1A11A1 (polypropylene) Toughened Zirconia (TTZ) ceramic shaft and EPR
O-rings
Wetted materials—Model PVDF body and impeller, TTZ ceramic shaft and
F1A11B2 (PVDF) Viton O-rings
Wetted materials—Model 316 stainless steel or brass sleeve over PVDF
F1A12C1 (SS) or F1A12D1 body, PVDF impeller, TTZ ceramic shaft, EPR O-
(brass) rings and 316 SS or brass hex mounting adapter
Temperature/pressure limit— Cast iron tee: 105 °C at 12 bar (221 °F at 175 psi);
SS or brass pipe thread style brass tee: 105 °C at 14 bar (221 °F at 200 psi);
weldolet/saddle: 105 °C at 27.5 bar (221 °F at 400
psi)
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This value may be limited by the rating of the mounting hardware.
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Table 2 Paddle wheel sensor (continued)
Specification Details
Temperature/pressure limit— 60 °C at 2.75 bar (140 °F at 40 psi) and 6.9 bar at
tee-mount PVC or PVDF tee 25 °C (100 psi at 77 °F)
(F1A11A1)
Temperature/pressure limit— 80 °C at 27.5 bar (176 °F at 400 psi)
tee-mount cast bronze
(F1A11A1)
Temperature/pressure limit— 105 °C at 27.5 bar (221 °F at 400 psi)
tee-mount cast bronze
(F1A11B2)
Temperature/pressure limit— 80 °C at 6.9 bar (176 °F at 100 psi) and 15.8 bar
tee-mount PVDF (F1A11B2) at 20 °C (230 psi at 68 °F)
Accuracy Pipe thread, PVC or PVDF tee: ±1% of full scale
from 0.3–9 m/s (1-30 ft/s); cast bronze tee: ±1% of
full scale from 0.3–6 m/s (1-20 ft/s)
Repeatability ±0.5% of full scale
Linearity ±1% of full scale
Sensor Cable Two conductors (plus shield); 6 m (20 ft) long
Power dissipation 0.010 W
Table 3 Hot tap sensor
Specification Details
Wetted materials— 316 stainless steel sleeve over PVDF body, PVDF
Model F1A13C1 (SS) impeller, TTZ ceramic shaft, EPR O-rings and 316 SS 2 in.
NPT hex mounting adapter
Wetted materials— Brass sleeve over PVDF body, PVDF impeller, TTZ
Model F1A13D1 ceramic shaft, EPR O-rings and brass 2 in. NPT hex
(brass) mounting adapter
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