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P221 Flush Diaphragm Pressure Transmitter
Brand: Tel-Tru Manufacturing Co.Key feature of the P221 is its non oil –filled sensing element. The sensing diaphragm is machined from a solid piece of steel, and can withstand the most abrasive / cyclical applications.
No thin diaphragm to break, to oil or to leak.
The P221 is designed to last in high cyclical environments with or without the presence of water-hammering or spiking. Advanced manufacturing techniques, extreme environmental burn-in and thorough residual stress relieving procedures ensure the P221 maintains its performance over time.
The P221 is designed to meet or exceed the standards for IS.
Specifications
Accuracy
- Static Accuracy: ± 0.25 % of Full Scale Output
- Static Accuracy: ± 0.5 % of Full Scale Output (BFSL, RSS) Combined Effects of Non-Linearity, Hysteresis & Repeatability,
Applications
- Adhesives & Plastics Coating Machinery
- Non-Filled Flush Diaphragm Process Connection
- Paint Systems
- Sealant Systems
- Slurries
Approvals & Certifications
- CE EN 50081-2, EN 50082-2
BSP Connection
- 1/2” BSP Male
- G 1/2” Male
Burst Pressure
- 5 times Full Scale, Max.
Communication
- HART
Compensated Temperature
- -17.8° to 76.7° C (0° to 170° F)
Electrical Connectors
- 1/2” NPT Male Conduit Connection with 2 to 50 feet Wire Pigtail
- 4-Pin Bendix
- 6-Pin Bendix
- Mini DIN 43650C Connector with Mate
- NEMA 4X Cable Exit [24” (610 mm) Cable]
- Pigtail Connector (2, 5, 10, 20, 30, 50 feet Wire)
Electrical Protection
- Short Circuit Protected: up to 40 Vdc - P221A, P221B
Environmental Protection
- IP66
- NEMA 4X
Excitation Voltage
- 16-38 Vdc - P221K
- 2-15 Vdc - P221C
- 8-38 Vdc - P221A, P221B
Insulation Resistance
- 1,000 megaohms at 50 Vdc
Materials of Construction
- Non-Wetted Part: 316 Stainless Steel & Electrical Connector
NACE & NIST
- NIST Traceable Calibration Certificate
Operating Temperature
- -40° to 93° C (-40° to 200° F)
Output
- 0-10 Vdc - P221K
- 0-5 Vdc, 3-Wire - P221B
- 1-2 mV/V (4-Wire) - P221C
- 4-20 mA, 2-Wire - P221A
Power Supply Effect
- ± 0.002 % of Full Scale Output Per V Input - P221A, P221B
Pressure Range
- bar: 0 to 517.1
- kPa: 0 to 51,710
- psi: 0 to 7,500
Pressure Type
- Absolute
- Gauge
Proof Pressure
- 2 x Full Scale
Repeatability
- ± 0.1 % of Full Scale Output
Resolution
- Infinite (± 0.001 % of Full Scale Output Usable)
Response Time
- < 0.5 millisecond - P221C
- < 3 milliseconds - P221A, P221B
Reverse Polarity Protection
- Yes
RFI/EMI Protection
- Internal Filtering - P221A, P221B
Stability
- Long Term Stability: ± 0.25 % of Full Scale Output Per Year
Storage Temperature
- -40° to 121° C (-40° to 250° F)
Temperature Effect
- ± 1.5 % of Full Scale Output over Compensated Range [Combined Effects of Zero & Full Scale Output with Reference at 21° C (70° F)]
UNF/UNC Connection
- 3/4”-16 UNF Male Flush Diaphragm with O-Ring
Update Time
- Warm-Up: < 10 milliseconds
Wetted Materials
- 632 Stainless Steel (15-5)
- Hastelloy
- Inconel
Zero Balance
- ± 1 % of Full Scale Output