Xylem H-3531 FlashLite - Manual (Page 71)

Appendix A
Specifications
H-3531
Specifications A-1
Accuracy
(Maximum percent of error in measurement)
Pressure:
Less than or equal to 0.02% of full scale
output (FSO) over temperature range
referenced to a straight line stretched from
zero PSI to maximum pressure
Temperature: Internal temperature ±1° C over
temperature range
Resolution
(Smallest change detectable in output signal)
Pressure:
1 part in 1,000,000 (0.0001%)
Temperature: 1 part in 1,000,000 (0.0001%)
Linearity
Less than 0.02% deviation from a straight line referenced to
end points
Pressure Hysteresis
Less than 0.01% of FSO
Long-term Stability
Accuracy drift is less than ±0.05% of FSO per year
Standard Pressure Ranges
Pressure
Depth Accuracy
0 to 15 PSI 0 to 34.6 ft. ±0.007 ft.
0 to 30 PSI 0 to 69.20 ft ±0.014 ft.
Custom calibration ranges available from 5 - 100 PSI
Pressure Overload
Less than 2 times the rated pressure
SDI-12 Interface
Baud Rate:
1200
Protocol: SDI-12 V1.3, 7-bit even parity, 1 stop bit
Output Voltage Levels:
Minimum high level: 3.5 volts
Maximum low level: 0.8 volts
Response Time
SDI-12: 6-second measurement sequence (programmable)
RS-485 Interface(Industrial Mode Only)
Protocol:
Modbus RTU/H-355 Control
Port: RS-485
Baud Rate: Programmable (default=9600)
RS232 Interface
Protocol:
RS232, 8bit, No Parity, 1 stop bit
Baud Rate: 9600
0-5V Analog Output
Resolution:
4µV (12-bit DAC)
4-20mA Output(Industrial Mode Only)
Type:
4-20mA, optically isolated
Loop Voltage: 8.0V min, 35V max
Resolution: 4µA (12-bit DAC)
Quadrature Output
Output Voltage:
Low:
0.4(Max)@-5mA
High: 2.5(Min)@5mA
Power Requirements
Voltage Input:
10 to 16.0 Volts DC
Supply Current:
Sleep Mode 750µA max
Active (measuring) 80mA max
Surge Protection: Built in, 1.5 KVA
Environmental
Operating Temperature:
-40° C to 60° C
Compensated Range: -40° C to 60° C
Storage Temperature: -40° C to 80° C
Media Compatibility
Non-corrosive dry gases only
Mechanical
Material: Fiberglass
Size: 4.76" x 4.76" x 2.5" high
Rating: NEM A 4 enclosure
Connectors: Sealed Bendix type circular
Pressure Inlet: 1/8" female NPT
Atmospheric Vent: Sintered bronze, #10-32
Connections
7-pin circular:
Power, SDI-12, Quad, and 0-5V
3-pin circular: RS232 Communications port
Cables: Main Connector cable with 6-ft pigtail is provided.
RS-232 Connector cable optional.
The W ATER LOG H-3531 FlashLite™ is warranted against ®
defects in materials and workmanship for one year from date
of shipment.
Notes
Specifications subject to change without prior notice due to
ongoing commitment to product testing and improvement.