Kobold KPA Operating Manual

KPA Series

Industrial/OEM
Pressure Sensor

USA

KOBOLD Instruments, Inc
1801 Parkway View Drive
Pittsburgh, PA 15205
Tel: [phone]

• 0.25% of Full Scale Accuracy

• Precision Machined Diaphragm with no Welds
or O-ring Seals

• Pressure Ranges 0-50 through 0-10,000 PSIG

• All Stainless Steel Wetted Parts

• Unique Sensor Fusing Technology for
Exceptional Cycle Life at Low Cost

• All of the Features with None of the Cost

The Kobold KPA series Industrial/OEM pressure sensors
are a breakthrough that combin

e unique features, yielding
an exceptionally tough and accurate sensor at a low cost.
The fitting and pressure sensing diaphragm are precision
machined out of a single piece of 17-4 PH stainless steel.
There are no welds or O-ring seals which results in an
exceptionally high cycle life. The semiconductor strain
gauges are kiln fused to the diaphragm making a highly
stable molecular bond. Molecular bonding of the sensing
element produces a pressure sensor that will have
exceptional long term stability in demanding applications
characterized by high pulsations. The KPA series has a
4-20 mA, 2-wire transmitter and 1/4” NPT fitting as
standard. Other outputs and fitting options are available in
OEM quantities. The KPA also provides significant levels of
RFI, EMI and ESD protection to make the KPA and
excellent choice for industrial and mobile applications.

Canada

9A Aviation
Pointe-Claire, QC
H9R 4Z2
Tel: [phone]

www.kobold.com

Specifications

Pressure Ranges: 0-
Accuracy:

Temp. Drift Coefficient: ±0.0065% of full scale/°F over the

Process Temp. Range: -40 to 250°F
Compensated Temp.
Range: 0 to 185°F
Wetted Materials: 17-

50 PSIG through 0-10,000 PSIG

0.25% of full scale BFSL

compensated temperature range

4 PH Stainless Steel

Ordering Information

Range
(PSIG)

0-50 KPA-565P055 0-1000 KPA-565P115

0-100 KPA-565P065 0-3000 KPA-565P140

0-200 KPA-565P085 0-5000 KPA-565P150

0-300 KPA-565P090 0-10000 KPA-565P175

0-500 KPA-565P100

Model Number Range

(PSIG)

Model Number

Proof Pressure: 2X measuring range
Burst Pressure: 5X measuring range
Vibration Resistance: 20G at 20-200 Hz
Shock Resistance: 11G / 11

ms

Output:

Standard: 4-20 mA, 2-wire, 9-30 VDC
Optional: Others available in OEM quantities

Electrical Connection

Standard: Mini-DIN 43650C
Optional: Others available in OEM quantities

Electrical Protection: NEMA 4X/ IP 65

1/4” NPT

0.64”

7/8” HEX

1.89”

3.23”

0.70"

REF

0.61"

REF

1.00"

REF

1.38"

REF

When quality counts, count on KOBOLD

Argentina, Austria, Belgium, Brazil, Canada, Chile, Czech Republic, France, Germany, Indonesia, Italy, Malaysia

Mexico, Netherlands, Peru, Slovakia, Switzerland, Thailand, United Kingdom, USA, Venezuela, Vietnam

Wiring - Standard DIN 43650C P

lug

1

3

4

2

Pin Assignments

Standard 4-

20 mA Output (2-wire)

P

in 1 = +9-30 VDC

Pin 2 = 4-20 mA Out

Pin 3 = Not Connected

Pin 4 = Not Connected

Optional 0-5 VDC, 0-10 VDC, 1-5 VDC, 0.5-4.5 VDC Outputs (3-wire)

Wiring - w/Optional Integral Cable

Output Type Wiring

4-20 mA Output (2-wire)

0-5 VDC, 0-10 VDC, 1-5 VDC & 0.5-4.5
VDC Outputs (3-wire)

• User's Responsibility for Safety: KOBOLD manufactures
a wide range of process sensors and technologies. While
each of these technologies are designed to operate in a
wide variety of applications, it is the user's responsibility to
select a technology that is appropriate for the application,
to install it properly, to perform tests of the installed system,
and to maintain all components. The failure to do so could
result in property damage or serious injury.

• Proper Installation and Handling: Use a proper sealant
with all installations. Never overtighten the sensor within its
fitting. Always check for leaks prior to system start-up.

• Wiring and Electrical: Because this is an el
operated device, only properly trained personnel should
install and maintain this product. Be sure that the power
supplied to the sensor is appropriate for the electronics
version supplied. Electrical wiring of the sensor should be
performed in accordance with all applicable national, state
and local codes.

ectrically

Pin 1 = +8-30 VDC

Pin 2 = + Signal Out

Pin 3 = - VDC

Pin 4 = Not Connected

Red = + 9-30 VDC Supply
Black = 4-20 mA Out

Red = + 8-30 VDC Supply
White = + Signal Out
Black = - DC Supply

• Material Compatibility: The wetted parts are all 17-4 PH
stainless steel. Make sure that the unit is chemically
compatible with the application fluids. While the sensor’s
outer housing is liquid and spray resistant when installed
properly, it is not designed to be immersed. It shoul
mounted in such a way that it will not be submerged in
liquid.

• Flammable, Explosive and Hazardous Applications:
The KPA is not an explosion-proof design. It should not be
used in applications where an explosion-proof desig
required.

• Make a Fail-Safe System: Design a fail-safe system that
accommodates the possibility of sensor or power failure.

critical applications, KOBOLD recommends the use

In
redundant backup systems and alarms in addition to the
primary system.

d be

n is

of

• Temperature and Pressure: The KPA is designed for use
in process temperatures from -40°F to 250°F. Operation
outside these limitations will cause damage to the unit.

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