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500 RLe On-Line

500 Series

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500 RLe On-Line Vision Teknik

The Microelectronics and Semiconductor TOC Analyzer

The Sievers 500 RLe On-Line TOC Analyzer represents the latest advancement in the science of ultra low-level TOC measurement in microelectronic applications. The 500 RLe replaces the Sievers Model PPT as the industry’s only on-line, reagentless TOC analyzer capable of accurately detecting problematic compounds such as urea, trimethylamine, organic acids and bases.

The 500 RLuses GE Analytical Instrument’s membrane conductometric technology, delivering ultra low-level accuracy and reliability by eliminating false positive and false negative readings associated with other simplified TOC technologies.

Sievers 500 RLe and PPT TOC Comparison

Design enhancements allow the 500 RLe to operate on higher conductivity waters than the PPT while still delivering the same analytical performance, thus making the 500 RLe more versatile and reliable.  The analyzer also works well in low DO water systems, resolving TOC recovery issues that are difficult for other reagentless TOC analyzers.

Certificate of Conformity

500 RLe

The following key features and benefits apply to all 500 RLe configurations.


The 500 RLeOn-Line combines innovative design and materials with the proven and trusted Sievers laboratory TOC technology to ensure maximum uptime and reliability.  The 500 RLe’s deionized water (DI) loop also extends reliability to a wide applications range.

Easy to Use and to Access Data

Sievers TOC Analyzers are well known for being extremely easy to use. The 500 RLe makes TOC analysis even simpler through its many automated features. In addition, the 500 RLe has a color touch-screen display makes it easy to set up instrument parameters and view trend data in tabular or graphical form. The interface also provides real-time status of consumables, with prompts when semi-annual maintenance is due.

Low Maintenance and Operating Costs

The 500 RLe is reagentless and requires just a few hours per year of recommended preventive maintenance. The modular design facilitates speedy consumables replacement and preventive maintenance.

Extended Calibration Stability

The 500 RLe On-Line Analyzer offers 12-month calibration stability, unlike other analyzers that may require weekly or even daily calibration. By following the on-screen prompts, users can select from single- and multi-point calibration procedures.

On-line and Grab Sampling

The patented Sievers one-port Integrated On-Line Sampling System permits easy on-line and grab sampling.

Search in the Library for these and other documents and resources for the Sievers 500 RLe Total Organic Carbon (TOC) Analyzer:

  • Application Notes and Papers
  • Brochures
  • Certificates of Analysis
  • Declarations of Conformity
  • Engineering company specs
  • Field Service Bulletins
  • Manuals
  • MSDS
  • Technology Animations
  • TOC Analyzer Search and Buyer’s Guide

The 500 RLe On-Line TOC Analyzer comes standard with a simplified sample inlet block to facilitate continuous on-line operation. It may also be ordered with a Standard iOS.

Standard iOS – The single-port standard iOS is designed to easily switch sampling methods between on-line and grab, and for introducing standards for system protocols. The standard iOS includes the ability to perform calibration, accuracy/precision, and verification protocols.  Standard iOS

Total Organic Carbon1
Range 0.03 to 2,500 ppb as C
Accuracy ± 0.1 ppb or ±5% of measurement, whichever is greater
Precision < 1% RSD or 0.03 ppb as C, whichever is greater
pH Range 5.5 to 8.0 in order to meet accuracy specification
Maximum Sample Conductivity 25 µS/cm at neutral pH
Analysis Modes On-line, on-line averaged, on-line timed
Analysis Time Continuous mode: 6 minutes
Average and timed modes: 0.5, 1, 4, 8, or 24 hours
External Flow Rate Minimum 50 mL/min
Sample Temperature 1–95 °C (34–203 °F)
Sample Pressure Up to 100 psig
Interferences Insensitive to organic heteroatoms
Calibration Stability Typically 12 months
Display Readout 3 significant digits
Power 100–240 ± 10% VAC, 50 W, 50/60 Hz
Normal Oprating Environment Intended for indoor use only
Ambient Temperature 10–40°C (50–104°F)
Maximum Relative Humidity Up to 95%, noncondensing
Maximum Altitute 2,300 m (7,546 ft)
Inputs One isolated binary input
Outputs Three isolated 20mA outputs, one Serial RS-232 output, one USB port, one parallel printer port, and four alarm outputs
Installation/Overvoltage Category II (protects against transients present in Category II power)
Safety Certifications ETL, CE
Pollution Degree 2 (normally only non-conductive pollution)
Display Backlit Quarter-VGA touchscreen display
Dimensions H: 41.9 cm (16.5 in); W: 48.3 cm (19 in); D: 27.4 cm (10.8 in)
Weight 16.9 kg (37.2 lb)
IP Rating Environmental Enclosure:  IP-45
UV Lamp 6 months
Pump Tubing (with pump heads) 12 months
DI Water Cartridge Typically 24 months (depends on water quality)
Inline Filter Replace as needed (depends on water quality)
DI Water Level Refill As needed (check when replacing other items)

1 Stated analytical performance is achievable under controlled laboratory conditions that minimize operator and standards errors.

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