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98RK, Rackmount Chassis for Intelligent Pressure Scanners

Pressure Systems rackmount version of its highly successful NetScanner System features the latest generation Model 98RK-1 Scanner Interface Rack for 9916 Rackmount Intelligent Pressure Scanners used for multiple pneumatic measurements.
  • ±0.05% Accuracy
  • 100 Hz EU Throughput
  • Auto-negotiating 10/100/1G Base T Ethernet - TCP and UDP Protocol
  • Pressure Ranges up to 850 psid (5860 kPa)
  • Rezero, Purge and Leak Check Functionality
  • Triple Scan List Capability
  • Hardware and Software Initiated Data Acquisition
  • Typical Applications Turbine Engine Research & Turbomachinery Test Stands
Manufacturer:  Measurement Specialties Inc.
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98RK - Description

The enhanced Model 98RK-1 rack utilizes a high performance switch enabling the 9816 scanners to communicate with the host computer via an auto-negotiating 10/100/1G Base T Ethernet interface. The rack also provides power and pneumatic connections for up to eight internally-housed 9816 scanners. Additionally, the 98RK-1 can provide power and communication for up to three external NetScanner System components such as PSI’s Model 9022 for all-media pressure measurements or Model 9032 for high-accuracy barometric or reference pressure measurements.

Model 9816 scanners integrate 16 silicon piezoresistive pressure sensors of any pressure range with a microprocessor. Each field-replaceable pressure sensor incorporates a temperature sensor and an integral EEPROM for storage of personalized calibration data as well as sensor information such as serial number, pressure range, factory calibration date, and user-managed last or next calibration date. Integrating the EEPROM within the sensor enables simplified field replacement of sensors with automatic uploading of sensor data during power up.

The microprocessor uses the sensor data to correct for zero, span, linearity and thermal errors. It also performs digital temperature compensation to reduce sensor thermal errors by a factor of ten or more over conventional compensation. The microprocessor also controls the actuation of an integral manifold to execute on-line zero calibrations upon request. This capability virtually eliminates sensor zero drift error and provides guaranteed system accuracy of up to ±0.05% FS (Full Scale) after rezero.

Each 9816 can sample using up to three concurrent scan lists at continuous rates up to 100 measurements per channel per second in engineering units. Pressure data is output over the Ethernet interface supporting both TCP and UDP protocols. The rack is supplied with comprehensive Visual Basic-based software called NUSS for PC compatible computers. Firmware upgrades are made available at no charge via our website and can be downloaded to the 9816 scanners using NUSS.

The NetScanner System is an array of system components measuring a variety of parameters and sharing the same command set that can be networked to form a comprehensive distributed intelligent data acquisition system.

98RK - Specifications
# of Scanners8
Operational ModeAbsolute
Full Scale1 psi
2.5 psi
5 psi
10 psi
15 psi
30 psi
45 psi
100 psi
250 psi
500 psi
750 psi
850 psi
Precision±0.05 % FS
Min Temperature0 °C
Max Temperature50 °C
98RK - Downloads
98RK - Similar Products
  • Pneumatic Intelligent Differential Pressure Scanner
  • Dry Noncorrosive Gases
  • Proof Pressure 3 Times Rated Pressure (< 15 psi)
  • Proof Pressure 2 Times Rated Pressure (15 - 100 psi)
  • Proof Pressure 1.5 Times Rated Pressure (> 100 psi)
  • 16 Pressure Sensors from 10WC up to 850 psi
  • 0.063" Tubulation & Compression Fittings Available
# of Channels
Operational Mode
Full Scale
1 psi,
2.5 psi,
5 psi,
10 psi,
15 psi,
30 psi,
45 psi,
100 psi,
250 psi,
500 psi,
750 psi,
850 psi
±0.05 % FS
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