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.
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.
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
BR
0-25K
EG
0-100K
CAT NO.
MODEL
DEscRIPTION
AVAIL
PRICE
VI571
571A
Absolute pressure transmitter (up to 15K), Specify Range
Yes
2,106,000
VI572
572A
Absolute pressure transmitter (20K and above), Specify Range
Yes
3,013,200
VI573
571S
Sealed gauge pressure transmitter (Up to 15K), Specify Range
Yes
1,933,200
VI574
571S
Sealed gauge pressure transmitter (20K and above), Specify Range
Yes
2,797,200
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