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PT2X-BV
Brand: Seametrics, IncThe Seametrics PT2X-BV is a special version of the PT2X designed to measure barometric and vacuum pressure in reference to absolute pressure, along with temperature and time. It will measure pressure/ vacuum from 600 to 1100 millibars.
Pressure measurement is accomplished utilizing an extremely rugged and stable 15 PSIA piezo-electric media-isolated pressure element combined with a 16-bit analog-to-digital converter.
This provides extremely accurate and stable pressure input into the microprocessor on the circuit board that measures the pressure, stores the data in non-volatile memory, and communicates the information via a serial communication link (RS485) to the host computer.
Temperature measurement is accomplished utilizing a temperature sensor chip. The PT2X-BV is available in two enclosures – either an ABS weather-proof box or a stainless steel tube. The tube version is available with either a solid end cone or an NPT end cone for connecting to piping. The PT2X-BV can be networked with other Seametrics Smart Sensors and controlled directly from a single computer.
While most will use the PT2X-BV with our Aqua4Plus 2.0 software, it is by no means limited to that software. You can use your own Modbus® RTU or SDI-12 software or logging equipment to read measurements, thus tying into your existing telemetry and control systems.
Features- Provides barometric compensation for PT2X sensors with free Aqua4Plus software
- Stores over 520,000 records of pressure, temperature, and time data
- Includes RS485 interface for easy networking
- Available in a weatherproof box or 316 stainless steel tube (NPT optional)
Specifications
Brand
Body Material
- ABS - IP66/67
Dimensions
- Box: 4.3” x 3.1” x 2.5” (10.9 x 7.9 x 6.4 cm) Box and connectors: 4.3” x 3.6” x 2.5” (10.9 x 9.1 x 6.4 cm)
Wire Seal Material
- Fluoropolymer and Buna N
Weight
- 0.8 lb (0.4 kg)
Cable
- Submersible: polyurethane, polyethylene, or ETFE (4 lb/100 ft., 1.8 kg/30 m)
Environmental
- IP68, NEMA 6P
Field Connector
- Standard
Operating Range
- Recommended: -15° to 55° C (5° to 131° F)
Storage Range
- Without batteries: -40° to 80° C (-40° to 176° F)
Internal Battery
- Two lithium ‘AA’ batteries - Expected battery life: 18 months at 15 min. polling interval (may vary do to environmental factors)
Auxiliary
- 12 Vdc - Nominal, 9-15 Vdc - range
Modbus®
- RS-485 Modbus® RTU, output=32bit IEEE floating point
SDI-12
- SDI-12 (ver. 1.3) - ASCII
Memory
- 4MB - 520,000 records
Logging Types
- Variable, user-defined, profiled
Logging Rates
- 8x/sec maximum, no minimum
Baud Rates
- 9600, 19200, 38400
Software
- Complimentary Aqua4Plus 2.0
Networking
- 32 available addresses per junction (Address range: 1 to 255)
File Formats
- .a4d and .csv
Element
- Digital IC on board
- Silicon Strain Gauge Transducer, 316 Stainless Steel or Hastelloy
Accuracy
- ± 0.5° C — 0° to 55° C (32° to 131° F) ± 2.0° C — below 0° C (32° F)
- ± 0.05 % FSO (typical, static) ± 0.1 % FSO (maximum, static) (B.F.S.L. 20° C)
Resolution
- 0.1° C
- 0.0034 % Full Scale (typical)
Units
- Celsius, Fahrenheit, Kelvin
- psi, FtH₂O, inH₂O, mmH₂O, mH₂O, inH₂O, cmHg, mmHg, Bars, Bars, kPa
Range
- -40° to 80° C (-40° to 176° F)
- 600 to 1100 millibars
Compensated
- 0° to 40° C (32° to 104° F)
Max operating pressure
- 1.1 x Full Scale
Burst pressure
- 2.0 x Full Scale