- Model IPS-4 - Integrated Photometric Spectrometer

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AMETEK Process Instruments Model IPS-4 is a huge step forward in capability and reliability for process spectrophotometers. The IPS-4 is capable of measuring up to eight wavelengths in a gas or liquid phase sample. Sample handling and conditioning systems are available as an option that is integrated into the IPS-4's sample cell enclosure.

  • Measures up to 8 wavelengths
  • Low cost of ownership
  • No annual, routine maintenance
  • No moving parts
  • IP65 (NEMA 4X optional)
  • Integrated, customizable sample system
  • Ethernet and MODBUS communications

Today's chemical producers and consumers are under tremendous pressure to cut costs, lower maintenance expenses, and improve product quality. In order to meet these demanding objectives, process engineers and operators need analytically capable and reliable process analyzers which require minimal maintenance and operator intervention.

The optical bench of the IPS-4 contains no moving parts. It uses a xenon lamp with an expected life exceeding two years. The result of this thoughtful engineering is a highly reliable analyzer that has a very low cost of ownership.

The IPS-4 NDIR analyzer, built on our field proven IPS-4 UV-VIS platform, offers reliability, enhanced analog and digital connectivity all in a nicely packaged field installable unit. The integrated sample conditioning makes the analyzer installation simple and easy to maintain.

The IPS-4 IR/UV Full Spectrum Analyzer utilizes both NDIR and UV optical benches to enable unparalleled high quality process gas analysis.  The combination bench unit offers a very robust process analytical solution utilizing long lifetime optical components.

Engineered for outdoor installation, the IPS-4 can be mounted near the process being monitored thereby minimizing sample transport delays and the need for costly instrument shelters.

The IPS-4 is equipped with a variety of output and interface communication options. Besides the local, multi-line display and stainless steel keypad, communication options include analog outputs, relay contacts, RS232, RS485 supporting MODBUS RTU protocol, and a Fast Ethernet (IEEE802.3) port. IPS-4 has an embedded web browser for superior intranet/internet connectivity.

The IPS-4 may be the solution you need to improve the quality and efficiency of your process. Contact your AMETEK Process Instruments salesperson to discuss your specific application today.

Today’s chemical producers and consumers are under tremendous pressure to cut costs, lower maintenance expenses, and improve product quality. In order to meet these demanding objectives, process engineers and operators need analytically capable and reliable process analyzers which require minimal maintenance and operator intervention. The analyzers also need to be easy to use and capable of communicating in a wide variety of ways. It is also a benefit if the analyzer is durable enough to be installed in outdoor, wash-down, hazardous, and other environmentally harsh locations.

AMETEK’s IPS-4 UV analyzer is a huge step forward in capability and reliability for process spectrophotometers. Using the most modern electronics and diode array technology, the IPS-4 is engineered to perform a wide variety of liquid and gas analyses using UV-VIS spectroscopy.

Analytical Performance

The IPS-4 is capable of detecting, quantifying, and compensating for multiple chemicals of interest and interfering species. Up to eight analytes of interest can be measured simultaneously through the combination of a modern, diode array-based optical system with our proprietary process-ready electronics.

This combination offers many advantages such as no moving parts, a high signal-to-noise ratio, minimized stray light effects, fast and full spectral acquisition, and wide dynamic range. These traits help to make the IPS-4 a highly capable process analyzer.

Optical System

The IPS-4 UV’s optical system is designed to increase reliability and dramatically reduce the need for routine maintenance, thereby drastically cutting its cost of ownership. The lamp used in the optical system is a xenon flash lamp which has a greater than two year expected life. Use of the diode array and fixed optical bench means that there is no filter wheel or motor to maintain, no optical filters to replace, and no optical couplings to align. The resulting optical system is small, insensitive to mechanical tolerances, insensitive to movement, and free of moving parts.

The AMETEK-designed electronics are engineered to withstand harsh outdoor, industrial environments. They possess excellent temperature stability, reliability, and a host of self-diagnostic and predictive maintenance capabilities. The combined result of the IPS-4’s design is a spectrophotometer with high reliability and a minimal need for routine maintenance.

Interface Options

Manufacturing facilities have a wide variety of communication needs from their process analyzers. To meet the varied needs of our customers, we have equipped the IPS-4 with numerous analog and digital communications capabilities. A detailed, multi-line display along with a 22-key keypad provides the primary local indications. The keypad is a stainless steel, piezo-electric device which is the ultimate in durability and reliability. The pixel-based display is detailed enough to allow for a selection of display language. The analyzer also communicates through a variety of analog signals, alarm contacts, and three types of digital communication.

Digital communication options include a RS-232, RS-485 with MODBUS RTU protocol, and a built-in Fast Ethernet port.

Wide Environmental Tolerance

Process analyzers must often be installed in harsh environments. Unlike other process analyzers, the IPS-4 is designed to handle most environmental challenges without the need for additional protection or prohibitively expensive shelters.

The IPS-4 is supplied in an IP65 NEMA 4X optional enclosure. This enclosure is more than capable of handling even wash-down environments without allowing water or dust to ingress. The standard enclosure is made from 304 stainless steel, with 316 stainless steel as an option.

When installed outdoors, the IPS-4 will tolerate ambient temperatures from -20° to 50°C (-4° to 122°F) without external heating/cooling. When installed indoors, the analyzer takes up minimal space as it is designed with a very narrow profile. The width of the IPS-4 has been kept to only 78 cm (<31 inches) to minimize the amount of precious wall space it occupies. This narrow width is maintained even when a wide range of custom sample handling and conditioning systems are integrated into the IPS-4’s sample cell enclosure.

Custom Sampling Systems

The IPS-4 is engineered to be a fully integrated, turn-key solution to your specific process analysis need. AMETEK will engineer a sample handling and conditioning system to meet the requirements of your sample fluid and application. Automatic zero and span fluid injection, corrosion-resistant materials, filtration, pumps or eductors, and heated sample lines are a few of the customizations AMETEK can engineer into the IPS-4 to meet your application requirements.

The IPS-4 may be the solution you need to improve the quality and efficiency of your process. Contact your AMETEK Process Instruments salesperson to discuss your specific application today.

Photometric Range: 0 to 3.0 AU; Minimum Full Scale is 0.1 AU at specified precision

Analyzer Range: ppm to 100% depending upon specific application

Measurement Precision1: <1% of full scale range

Repeatability1: <2% of full scale range (application specific)

Linearity1: <1% of full scale range

Stability1: 0.5% of full scale range
24-Hour Zero Drift1: <1% of full scale range over 24 hours

Response Time: <2 seconds for the photometric measurement. Total system response depends upon sample system.

Sample System Limits
Sample Pressure: Up to 100 barg (1450 psig) for some configurations
Oven
Temperature: Oven heater capable of maintaining 150°C (302°F)

Analytes: Up to eight analytes can be measured

Instrument Air: 4.8 – 6.9 barg (70 - 100 psig)

Inputs:
2 non-isolated analog inputs (0-5V
, 0/4-20mA)
2 optically isolated discrete DC inputs
22 key piezoelectric keypad

Outputs:
265 x 64 pixel vacuum fluorescent display with multi-lingual capability (Language options include: English, Spanish, French, German, Russian. This is a partial listing. Contact AMETEK for more information.)
2 isolated analog outputs (0/4-20 mA) (Two additional analog outputs optional)
8 dry relay contacts (NO, 100V
A, 240 V)
RS-485 isolated (supports MODBUS RTU)
RS-232
non-isolated
Fast Ethernet (IEE802.3)

Utility Requirements
Electrical:
120 V
AC (105 to 132 VAC), 47 to 63 Hz
240 V
AC (209 to 264 VAC), 47 to 63 Hz
Power Consumption:
< 700 W with oven heater
< 300 W without oven heater

Environmental Requirements
Ambient
Temperature: -20 to 50°C (-4° to 122°F) without external heating or cooling
Ingress Protection:
IP65 and NEMA
4X

Enclosure material: Stainless steel

Physical Dimensions
(W x H
x D): 78 cm x 53 cm x 30 cm (30.7” x 20.9” x 11.8”)
Weight: 66 kg (145 lb) for base system

Approvals and Certifications
NEC/CEC General Safety requirements, CE & IP65, NEMA 4X
Standard General Purpose model:
NEC/CEC Class I Div 2 A, B, C, D; Class II Div 2 F & G; Class III
Zone 1/Div 1 option:
NEC/CEC Class I Div 1 A, B, C, D; Class II Div 1 F & G; Class III (pending)

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