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Sievers CheckPoint Portable / On-Line TOC Sensor

Portable, light weight TOC sensor for microelectronics and pharmaceutical applications
The Sievers CheckPoint On-Line/Portable Total Organic Carbon (TOC) Sensor allows superior flexibility when measuring low level TOC. It can be used on-line for continuous monitoring or carried to any point in a water system. This sensor is a powerful tool for rapid diagnostic sampling and troubleshooting for microelectronics, pharmaceutical and power applications. 
The CheckPoint TOC Sensor is available in two models – CheckPoint Pharma and the CheckPointe to better serve pharmaceutical and ultrapure water applications.

Product information

Total Organic Carbon1
values
Linear Range (CheckPoint Pharma)
0.21 ppb to 1,000 ppb C
Linear Range (CheckPointe)
0.05 ppb to 1,000 ppb C
Instrument Accuracy2
± 5% when measuring 500 ppb C of sucrose2,3
Precision (CheckPoint Pharma)
The greater of < 1% RSD or 0.21 ppb for on-line measurements, 3.0% RSD at 500 ppb for grab samples
Precision (CheckPointe)
The greater of < 1% RSD or 0.05 ppb for on-line measurements, 3.0% RSD at 500 ppb for grab samples
Analysis Modes
On-line (average or timed); grab (with optional Vial Sampling Kit)
Analysis Time
Selectable: 15 seconds to 8 hours on-line mode; 10 minutes grab mode
Ozone Compatibility (CheckPoint Pharma only)
50 ppb O3; 200 ppb O3 for 2 hours daily
Conductivity/Resistivity
values
Conductivity/Resistivity Range for TOC
Max 1.4 μS/cm or Min 0.7 Mohm-cm from CO24
Conductivity/Resistivity Precision
± 0.5% RSD (20-40 °C or 68-104 °F)
Conductivity/Resistivity Accuracy
± 2.0%
Sensor Specifications
values
On-Line Sample Pressure
103–690 kPa (15–100 psig) (1.0–6.9 bar)
Low Pressure Samples
-6.9–55 kPa (-1.0–8 psig) (-0.069–0.55 bar) with optional Low Pressure Sampling Kit
Required Sample Line Flow Rate
60 mL/min (high pressure) or 1 mL/min (low pressure)
Power Requirements
100-240 ± 10% VAC, 60 W, 50/60 Hz
Temperature (CheckPoint Pharma)
Sample: 10-90 °C (50-194 °F); Ambient: 10-55 °C (50-131 °F)3
Temperature (CheckPointe)
Sample: 10-60 °C (50-140 °F); Ambient: 10-40 °C (50-104 °F)
Humidity
90%
Altitude
3000 meters
Outputs
Ethernet (Modbus TCP/IP), USB, plus two 4-20 mA, two alarms, and binary input with optional I/O board
Installation/Overvoltage Category
II
Dimensions
H: 25.40 cm (10.0 in); W: 30.48 cm (12.0 in); D: 15.24 cm (6 in)
Dimensions with Vial Sampling Kit
H: 25.40 cm (10.0 in); W: 34.87 cm (13.7 in); D: 15.24 cm (6 in)
Weight — CheckPoint
2.9 kg (6.4 lb)
Weight — Vial Sampling Kit
0.6 kg (1.3 lb)
Industrial Ratings and Safety Certifications
CE, ETL listed. Conforms to UL Std. 61010-1. Certified to CSA C22.2 No. 61010-1. see Declaration of Conformity

Features & Benefits

  • TOC monitoring versatility and convenience
  • Rapid analysis
  • Easy to use with low maintenance
  • IQ/OQ/PQ validation protocols provided
  • CheckPoint Pharma has a range of 0.21 to 1,000 ppb and CheckPointe has a range of 0.05 to 1,000 ppb
  • On-line or grab sample modes
  • CheckPoint Pharma meets United States Pharmacopeia (USP), European Pharmacopeia (EP), Chinese Pharmacopeia (CP), and Indian Pharmacopeia (IP) requirements
  • Sievers CheckPoint Brochure
  • Sievers CheckPoint Documentation (Quick Start Guide, Operation and Maintenance Manual, etc.)

Model series

  • I/O Board: provides two analog outputs (TOC or Conductivity/Resistivity, Standby and Error), one binary input (remote start/stop), two alarms and 24 V supply
  • Vial Sampling Kit: enables users to measure standards and grab samples
  • Sampler Inlet Filter: 60 µm sample inlet filter is recommended for on-line monitoring
  • Low-Pressure Sampling Kit: this includes Teflon and stainless-steel sampling tubes and a waste bag for collecting zero-pressure samples in the laboratory or fab
  • Printers Compatible with CheckPoint and CheckPointe Sensors: Veolia recommends using one of the following point-of-sale (POS) printers: Bixolon SRP-275, Citizen CD S500A, or Star Micronics SP-500.
  • 1 Stated analytical performance is achievable under controlled laboratory conditions that minimize operator and standards errors.
  • 2 Total measurement accuracy includes separate contributions from both the standards accuracy and the Instrument Accurac
  • 3 Conductivity and accuracy specifications are met as shown above for ambient temperatures from 10–40 °C (50–104 °F). When calibrated at 40 °C, the following specifications are met at 40–55 °C (104–131 °F): conductivity accuracy is } 2.4%, and TOC accuracy is } 6.7% on 500 ppb C of sucrose.
  • 4 Sample water quality with a conductivity >1.4 μS/cm may result in reduced TOC accuracy.
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