Over-Voltage, Reverse Polarity & Short Circuit Protection
Ten Million Cycle Life Expectancy
Outstanding Shock & Vibration Performance
Steam Sterilizers
Gasoline & Diesel Engines
Natural Gas & CNG Engines
Agricultural Chemical Equipment
Level Measurement
Test Equipment
Injection Molding
Coolant Pressure
Industrial Compressors
1. For wet conductive media please contact us
Description
The model P255 is based on Kavlico’s fieldproven ceramic capacitive technology with the latest state-of-the-art
ASIC. Featuring a 316SS housing, the P255 is designed for general use wherever a rugged and reliable pressure
transducer is required. The P255 package has a built-in Metri-Pack 150, electrical connector and supports
popular process connection threads. The P255 is offered with a variety of seal materials and is suitable for
many diverse applications. Specifically intended for OEM applications, the P255 delivers a cost effective solution
without compromising performance or reliability.
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Technical Specifications
Pressure Ranges
From 0 to …
PSIA,
PSIG,
15
PSIS
(gage)
PSI
75
(gage)
PSI
100
(gage)
20
30
50
75
100
150
200
300
500
750
1000
Proof pressure
Burst pressure
100
1000
150
1000
250
1000
375
1000
300
2000
450
2000
600
2000
900
2000
1500
2000
1500
2000
2000
2000
Physical
Operating Life Cycle
Vibration Resistance
Shock Resistance
Drop Test
Weight
Ingress Protection
Operating Temperature
Storage Temperature
Media
2. for more details see How to Order
min. 10 million full pressure cycles over the full range
10 G’s peak to peak sinusoidal (10 to 2000 Hz)
75 G’s ½ sinewave
1 meter drop on concrete as per SAE J1455 / DIN EN 60068-2-3-1
≤
100 grams (without mating connector)
IP67 - depending on electrical connector
-40°C to 125°C (depending on seal material) *
2
-40°C to + 125°C (depending on seal material) *
2
All class II fluids and gases compatible with stainless steel 3/6 and the internal seal
ring material
Performance
Total error band *
3
Stability coefficient
Temp. Coefficients - Zero
Temp. Coefficients - Span
+/-2% of span (-20
≤
T
≤
100° C) +/-3% of span (T < -20° C,T < 100° C)
+/-0.5 % of full span over 1 year
0.2 % of span / 10 K within temperature range 0°C to + 80°C.2 %
0.2 % of span / 10 K within temperature range 0°C to + 80°C.2 %
3. Including non-linearity, hysteresis, non-repeatability, zero point and full scale error (corresponds to error of measurement per IEC 61298-2). Adjusted in vertical mounting position with pressure port down
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Data Sheet P255
2
Electrical
Output Signal
Operating Supply Signal
Power Consumption
Overvoltage Protection
Short-circuit Proofness
Insulation Voltage
Reverse Polarity Protection
Load
Response Time
4. for min. 3 intervals at 5 minutes each
5. for min. 10 seconds on assigned pins
0.5…4.5 VDC Ratiometric
5 VDC ± 10%
≤
25 mW
16 VDC
Yes
*4
500 VDC
Yes *
5
≥
25 kΩ
15 ms max. to 63% of full scale pressure with step change on input
Approvals & Certificates
ROHS
2011/65/EU ROHS Directive
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Data Sheet P255
3
Dimensions
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Data Sheet P255
4
How to Order
Seal Material
B Nitrile
C Neoprene
D Fluorocarbon
E Fluorosilicone
F Ethylene Propylene
Pressure Connection (port)
1 1/4 - 18 NPT (Male)
2 3/8 - 24 UNF-2A (Male)
3 3/8 - 24 UNF-2B (Female)
4 1/8 - 27 NPT (Male)
P255
15
A
Reference
A Absolute
G Gage
B
1
A
Pressure Ranges
0 - 15
15
0 - 20
0 - 30
0 - 50
0 - 75
0 - 100
0 - 150
0 - 200
0 - 300
0 -500
0 - 750
0 - 1000
20
30
50
75
100
150
200
300
500
750
1000
S Sealed Gauge (0 PSIS = 14.7 PSIA)
Built-in Electrical Connection
A Packard with Mating Connector
C Packard without Mating Connector
Example:
P255-15A-B1A
Description:
P255Sensor, 0 - 15 PSI, Nitrile Seal Material, 1/4 - 18 NPT Pressure Connection with Mating Connector
Before installation and operation, ensure that the appropriate pressure sensor has been selected in terms of pressure range, design and specific measuring
conditions. Non-compliance can result in serious injury and/or damage to the equipment.
Warning:
The product information contained in this catalogue is given purely as information and does not constitute a representation, warranty or any form of
contractual commitment. Kavlico reserve the right to modify their products without notice. It is imperative that we should be consulted over any particular use
or application of our products and it is the responsibility of the buyer to establish, particularly through all the appropriate tests, that the product is suitable for
the use or application. Under no circumstances will our warranty apply, nor shall we be held responsible for any application (such as any modification, addition,
deletion, use in conjunction with other electrical or electronic components, circuits or assemblies, or any other unsuitable material or substance) which has not
been expressly agreed by us prior to the sale of our products.
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