Instructions for the 800 Series of Strain Gage Pressure Transducers

Instructions for the 800 Series of Strain Gage Pressure Transducers
Instructions for the 800 Series of
Strain Gage Pressure Transducers
and Transmitters
The following models are covered in this manual:
830
831
832
850
851
860
861
P/N 974039
01/03 Rev E
ECO # 27551
CONTENTS
1. Description ............................................................................................................................... 3
2. Model Number Construction .................................................................................................... 3
3. Pressure Fitting ......................................................................................................................... 3
4. Electrical Connections .............................................................................................................. 4
5. Electrical Characteristics and Wiring ......................................................................................... 5
6. Operation and Calibration ........................................................................................................ 6
7. Repair ....................................................................................................................................... 7
8. Warranty .................................................................................................................................. 7
800 Series Strain Gage Pressure Transducers and Transmitters
1.
DESCRIPTION
Dynisco’s 800 Series of Pressure Transducers and Transmitters are bonded foil strain gage type,
designed to measure pressures up to 60,000 psi. These transducers convert changes in applied
pressure into corresponding changes in output voltage or current.
2.
MODEL NUMBER CONSTRUCTION
The model number designates the features of the 800 Series pressure transducers.
Model 1234X-567-8-9
1 = Pressure Reference
2 = 800 Series
3 = Full Scale Output
4 = Accuracy
X = Approval
5 = Pressure Port Thread
6 = Electrical Termination
7 = Wiring
8 = Pressure Range*
9 = Options
*Pressure range is noted on label.
For complete details, refer to the individual ordering guides for each model.
3.
PRESSURE FITTING (POSITION 5 OF MODEL NUMBER)
The pressure port thread of the standard 800 Series (Code 0 in the model number) is internal
1
/8 -27 NPT fabricated from high strength stainless steel.
Options available include the following:
Code in Model No.
Description
1 ................................... 1/4 -18 NPT, internal
2 ................................... 7/16 -20 UNF, internal, O-ring, per MS33649-4
3 ................................... High Pressure, internal fitting per autoclave F-250-C
4 ................................... 1/4 -18 NPT, external
5 ................................... 1/2 -14 NPT, external
6 ................................... 7/16 -20 UNF, external, per MS33656-4
7 ................................... R 1/4 -metric, external
8 ................................... 3/4 -16 UNF, external, flush diaphragm**
9 ................................... Special (consult factory)
3
4
A ................................... 7/16 -14 BSP, external
B ................................... 7/16 -14 NPSM, external
C ................................... Autoclave F-562-C
D .................................. 1” BSP, internal
G .................................. Autoclave F-375C
**Each flush diaphragm transducer or transmitter is shipped with a DYNASEAL™, Dynisco P/N
633014, for the pressure port seal. Recommended torque, for an adequate seal, is 100 in-lbs. Care
should be exercised with the low pressure ranges. The flush diaphragm can be inadvertently
overloaded with thumb pressure, which can be the equivalent of several hundred psi.
4.
ELECTRICAL CONNECTIONS (POSITION 6 OF MODEL NUMBER)
Code 0 in the model number — Standard 800 Series models have a Bendix Connector PT02A-10-6P
(or equivalent) and require mating connector PT06W-10-6S (SR) (Dynisco P/N 711600).
Code 1 in the model number — 800 Series Models with the weathertight option include Bendix
PT02H-10-6P (or equivalent) and require mating connector PT06W-10-6S (Dynisco P/N 711610).
Code 3 in the model number — Option for the 1/2 -14 NPT conduit fitting with the 4 ft six conductor
cable.
WIRING CODE — Transducers
Function
Output (+)
Output (-)
Input (+)
Input (-)
Shunt Cal.
Pin
A
B
C
D
E, F
Color
Red
Black
White
Green
Blue, Orange
Code 4 in the model number — 800 Series can come equipped with 1/2 -14 NPT conduit fitting and
three 42” leads.
WIRING CODE — Transmitters
Function
Supply Voltage (+)
Supply Voltage (-)
Case Ground
Pin
A
B
Color
Red
Black
Green
Transmitters incorporate reverse polarity protection, but will not function if inputs are reversed.
ALL WIRING MUST CONFORM TO NATIONAL ELECTRICAL CODE.
800 Series Strain Gage Pressure Transducers and Transmitters
5.
ELECTRICAL CHARACTERISTICS AND WIRING
Fig. 1
Power Supply Requirements and Typical Wiring Diagrams
MODELS 830/831/832
Transducers with 3 mV/V output require a well regulated power supply and have a nominal load of
350 ohms. The mV readout should present a high impedance input and have good common mode
rejection. Use of six conductor shielded cable (like Dynisco P/N 800024) is recommended to
minimize noise pickup.
5
6
Fig. 2
Schematic for 830/831/832
MODELS 840/841/850/851/860/861
Dynisco high level output transducers and transmitters have a voltage regulator, signal conditioner,
and amplified incorporated within the device. These models have accessible ZERO and SPAN
adjustments. These are factory set and should not require adjustment.
Voltage output devices have a current drain of 45mA maximum at recommended minimum load of
2000 ohms.
CONDUIT FITTING — Units with the 1/2 -14 NPT conduit fitting and leads or cable, should be
installed using appropriate conduit or junction box in conformance with local codes. This is
essential for environmental protection of the electrical termination.
6.
OPERATION AND CALIBRATION
After the transducer and the readout have been installed, the system must be calibrated using either
a precision pressure source such as a dead-weight tester, or by using the shunt calibration function.
PRESSURE CALIBRATION — With no pressure applied, the signal conditioner ZERO control (or
ZERO adjustment of high level output transducers) is adjusted for zero pressure indication on the
readout. With a known pressure applied to the transducer (typically 80 to 100% of full scale), the
signal conditioner SPAN control (or SPAN adjustment of high level output transducers) is adjusted
for the correct readout of the applied pressure.
800 Series Strain Gage Pressure Transducers and Transmitters
7
SHUNT CALIBRATION — All 800 Series pressure transducers (except 840/1 transmitters) contain an
internal Shunt Calibration resistor (R-CAL) which provides a simulated output of 80% of full scale
when pins E and F are shorted. Do not apply pressure to the transducer during calibration.
Refer to instructions with the instrumentation for details on ZERO and SPAN adjustment.
7.
REPAIR
Questions concerning warranty, repair cost, delivery, and requests for a RA# should be directed to
the Dynisco Repair Department, 508-541-9400 or email: repair@dynisco.com. Please call for a
return authorization number (RA#) before returning any product. Damaged products should be
returned to:
DYNISCO LLC
Attn: RA # _______________
38 Forge Parkway
Franklin, MA 02038
For technical assistance please call 800-DYNISCO or 508-541-9400 or fax 508-541-9436.
8.
WARRANTY
This Dynisco product is warranted under terms and conditions set forth in the Dynisco Web Pages.
Go to www.dynisco.com and click on “Warranty” at the bottom of any page for complete details.
NOTES:
WARRANTY REGISTRATION CARD
MODEL NUMBER ______________________________________________________________
SERIAL NUMBER _______________________________________________________________
DATE PURCHASED _____________________________________________________________
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COMPANY ____________________________________________________________________
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Is this your first purchase from Dynisco?
How did you first hear of Dynisco?
YES __________
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Tel.: 508-541-9400 Fax: 508-541-9436 E-mail: www.dynisco.com
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