Badger Meter 228 Series, Руководство по установке и эксплуатации

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SpeciḀcations
Wetted Materials (except tees)
• See Ordering Matrix
Sensor Sleeve and Hex Adapter for 228BR, 228CB,
• Sleeve: Admiralty Brass, UNS C44300; Hex Adapt
-
er: Valve Bronze, UNS C83600
Sensor Sleeve and Hex Adapter for 228SS and
228CS
• Series 300 Stainless Steel
Tee for 228B
• Cast Bronze, Class 125 Per ASME B16.15, and
Copper Coupling
Tee for 228SS
• Cast 316 Stainless, Class 150
Tee for 228CB and 228CS
• Cast Iron, Class 125 Per ASME B16.4
Tee for 250B
• Cast valve bronze, UNS C83600
Temperature Ratings
• Standard Electronics - 221 deg. F (105 deg. C)
• Irrigation Electronics - 150 deg. F (66 deg. C)
Pressure Ratings
At 100°F At 221°F
250BR 400 psi 325 psi
228B 200 psi 165 psi
228CB 175 psi 140 psi
220SS 400 psi 325 psi
Recommended design Flow Range
• 0.5 to 30 ft/sec for 228
• 0.3 to 15 ft/sec for 250B
Accuracy
• ± 1.0% of full scale over recommended design flow
range for 228
• ± 1.0% of rate for 250
Repeatability
• ± 0.3% of full scale over recommended design flow
range for all except 250B
• ± 0.7% of full scale over recommended design flow
range for 250B
Linearity
• ± 0.2% of full scale over recommended design flow
range for all except 250BR
• ± 0.7% of full scale over recommended design flow
range for 250BR
Transducer Excitation
• Quiescent current 600uA@8.0VDC to 35.0VDC
max.
• Quiescent voltage (V
high
)
Supply Voltage -(600uA*Supply impedance)
• ON state (V
Low
) Max. 1.2VDC@40mA current limit
(15ohm+0.7VDC)
Output Frequency
• 3.2 Hz to 200 Hz for all except 250BR
• 0.8 Hz to 80 Hz for 250BR
Output Pulse Width
• 5 msec ±25%
• Square wave between 100Hz to 200Hz limit
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 deg. 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 with direct burial insulation. Rated to 105
deg. C.