Badger Meter Irrigation Sensors - 1/2 and larger" User Manual
Page 12
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 [email protected] to 35.0VDC max.
•
Quiescent voltage (Vhigh) Supply Voltage -(600uA*Supply impedance)
•
ON state (VLow) Max. 1.2VDC@40mA current limit (15Ω+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 1050C. 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 105oC.
250 and 228 Metal Tee Impeller Flow Sensors
Page 12
August 2012