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DAVIS 종합 계측기 - 한국대리점 코린스계기(주)
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| Viatran's small and rugged Model 571 pressure transmitter is designed for accurate |
| Viatran's small and rugged Model 571 pressure transmitter is designed for accurate and stable measurement of medium to high pressures. A sealed gauge (PSIS) or absolute (PSIA) pressure reference is available.
Compact and completely sealed, the Model 571 is designed to withstand harsh atmospheres and submersion to 100 feet. All welded construction and the use of 316 stainless steel makes the 571 airtight, watertight, and ideal for corrosive environments. The "O" Ring free design simplifies the transmitter and ensures reliability.
Model 571 qualifies for CSA and FM explosion proof type rating, as well as the CENELEC (NEMKO) flameproof approval. The 571 has also been approved by FM as intrinsically safe (entity).
External zero, span, and calibration controls are hermetically sealed, yet easily adjusted by means of Viatran's unique magnetically-coupled drive system. The signal conditioner in the 571 allows for 5:1 ranging of the transmitter's standard pressure range.
A special feature of this transmitter is a calibration circuit that permits setup and ranging in the field - without the need for a calibrated pressure source. |
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Features |
- Hermetically sealed external controls
- Built-in calibration signal
- All welded, watertight construction
- Submersible
- FM, CSA & CENELEC Certification (optional)
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Applications |
- Offshore oil rigs
- Shipboard/Marine
- Pulp and paper
- Chemical processing
- Water treatment
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| | | SPECIFICATIONS
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Full Scale Pressure Range (FSPR) |
0-100,150,300, 500, 1000, 2000, 3000, 5000, 10K,15K, 20K, 25K, 30K, 40K, 50K, 60K, 75K, 100K PSIA/PSIS |
| Non-linearity (Best fit straight line) |
Typical @ 0.20% FSO (see graph) |
| Hysteresis & Repeatability |
≤ ±0.10% FSO |
| Full Scale Output |
16mA at 70°F |
| Resolution |
Infinite |
| Long Term Stability |
≤ ±0.25% FSO per 6 months |
| Response Time Mechanical and Electrical Combined |
≤ 20mSec to reach 90% of FSO |
| Temperature Effect on Zero |
≤ ±0.5% FSO per 100°F |
| Temperature Effect on Span |
≤ ±0.5% FSI per 100°F |
| Temperature Effect on Zero & Span combined at 5:1 Range Down |
≤ ±4.0% FSO per 100° |
| Compensated Temperature Range |
0°F to +180°F |
| Max./Min. Operating Temperature |
+190°F / -10°F |
| Non-Operating Temperature Range |
-65°F to +250°F |
| Electrical |
| Supply Voltage |
10-40 VDC |
| Output Signal |
4-20mA at 70°F |
| Load Impedance |
1500 Ohms maximum at 40 VDC |
| Zero Adjustment Elevation |
-100% of FSO |
| Span Adjustment |
Rangeable down 5:1 from standard range |
| Calibration Signal Accuracy is provided with each unit |
± 1.0% FSO. The exact signal to pressure correlation |
| Mechanical |
| Pressure Connections |
| 0-100 thru 0-15K PSI |
1/4" NPT female |
| 0-20K thru 0-50K PSI |
9/16" - 18 gland thread, pressure relieved, 1/4" OD high pressure tube, 60° cone. Conforms to autoclave type F-250-C. F-312-C150 fitting and also available at these ranges |
| 0-60K thru 0-100K PSI |
5/8" = 18 gland thread, pressure relieved. 5/16" OD high pressure tube, 60° cone. Conforms to autoclave type F-312-C150 |
| Proof Pressure |
| 0-100 thru 0-15K PSI |
1.5 times FSPR or 20K PSI - whichever is less |
| 0-20K thru 0-100K PSI |
1.2 times FSPR |
| Burst Pressure |
| 0-100 thru 0-3K PSI |
≥ 5 times FSPR |
| Up to 0-5K PSI |
≥ 4 times FSPR |
| Up to 0-10K PSI |
≥ 2.7 times FSPR |
| Up to 0-15K PSI |
≥ 2.3 times FSPR |
| Up to 0-100K PSI |
≥ 1.5 times FSPR or 125K PSI - whichever is less |
| Shock Limitation |
100 G's |
| Weight |
24 oz. |
| Certifications |
| Enclosure Classification |
NEMA 4X |
| Intrinsically Safe |
FM approved for use in Class I, II, & III, Div. 1, Groups A thru G indoor and outdoor. NEMKO/CENELEC (approval pending) EEx la IIC T6 |
| Explosion Proof |
FM approved as suitable for use in Class I, II, III, Div.1, Groups A thru G, Hazardous locations. CSA approved for use in Class I, Div. 1, Groups A, B, C & D, Class II, Div. 1, Groups D, F & G, and Class III, Div.1 for Hazardous locations. NEMKO/CENELEC approved flameproof EEx d IIC T6 |
Standard Pressure Ranges in PSI - when ordering, please choose code that matches your specific range.
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Code |
Range |
Code |
Range |
Code |
Range |
Code |
Range |
| AH |
0-50 |
AW |
0-750 |
BF |
0-5000 |
BS |
0-30K |
| AM |
0-100 |
AY |
0-1000 |
BH |
0-7500 |
BU |
0-40K |
| AN |
0-150 |
AZ |
0-1500 |
BM |
0-10K |
BW |
0-50K |
| AP |
0-200 |
BA |
0-2000 |
BP |
0-15K |
BZ |
0-60K |
| AR |
0-300 |
BC |
0-3000 |
BQ |
0-20K |
EC |
0-75K |
| AU |
0-500 |
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BR |
0-25K |
EG |
0-100K |
| CAT NO. |
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MODEL |
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DEscRIPTION |
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AVAIL |
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PRICE |
| VI571 |
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571A |
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Absolute pressure transmitter (up to 15K), Specify Range |
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Yes |
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2,106,000 |
| VI572 |
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572A |
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Absolute pressure transmitter (20K and above), Specify Range |
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Yes |
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3,013,200 |
| VI573 |
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571S |
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Sealed gauge pressure transmitter (Up to 15K), Specify Range |
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Yes |
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1,933,200 |
| VI574 |
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571S |
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Sealed gauge pressure transmitter (20K and above), Specify Range |
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Yes |
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2,797,200 |
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DAVIS 종합 계측기 - 한국대리점 코린스계기(주)
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현재위치 : 
