Data Industrial 228PV40 Руководство пользователя - Страница 8
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Plastic Tee Type Flow Sensor
Specifications
Wetted Materials (except tees)
See Ordering Matrix
Tee for 228PV
Schedule 80 PVC per ASTM D-2462 and D-2467.
Virgin, unplasticized PVC resin, Type 1 cell classifi-
cation
12454-B. Fittings and solvent carry approval for
potable water by NSF and IAMPO.
Pressure, Temperature Ratings
Depends on hardware configurations. See Dia-
grams at end of this section.
Recommended Design Flow Range
½ to 30 ft/sec
Accuracy
± 1.0% of full scale over recommended design flow
range
Repeatability
± 0.3% of full scale over recommended design flow
range for 228PV
Linearity
± 0.2% of full scale over recommended design flow
range for 228PV
Transducer Excitation
Quiescent current 600uA@8VDC to 35VDC max.
Quiescent voltage (V
high
Supply Voltage -(600uA*Supply impedance)
ON State (V
) Max. 1.2VDC@40mA current limit
Low
(15ohm+0.7VDC)
8
Manual
)
PRESSURE/TEMPERATURE DIAGRAMS FOR
DATA INDUSTRIAL FLOW SENSORS
100
80
60
40
20
0
0
Temperature (°C)
Output Frequency
3.2 Hz to 200 Hz for all except 228PF
Output Pulse Width
5 msec ±25%
Electrical Cable for Standard Sensor Electronics
20 feet of 2-conductor 20 AWG shielded U.L. type
PTLC wire provided for connection to display or
analog transmitter unit. Rated to 105°C. May be
extended to a maximum of 2000 feet with similar
cable and insulation appropriate for application.
Electrical Cable for IR Sensor Electronics
48 inches of U.L. Style 116666 copper solid AWG
18 wire w/direct burial insulation. Rated to 105°C.
220PV
25
60