OI Analytical 4760 Eclipse Purge-and-Trap Sample Concentrator

The Eclipse 4760 Purge and Trap Sample Concentrator sets a new standard for ease-of-use for volatile organic compound (VOC) analysis. The new 4th generation system includes the popular features from the Eclipse platform that chemists around the world rely on for accurate, dependable results along with technology enhancements, intuitive software, and a slim-line, open architecture design that saves bench space and allows easy access to components.

  • Features
  • Specifications

Engineered to increase efficiency, and ease of operation, the Eclipse 4760 maximizes throughput, simplifies troubleshooting, and minimizes system downtime for fast accurate, dependable results. Fully complies with all USEPA CLP, State, EU, and ISO VOC methods, protocols, and audit requirements.

  • Run more samples in less time and maximize laboratory throughput and profitability
  • See the system's status instantly at a glance with TruColour™ LED indicator
  • Patented Cyclone Water Management™ system removes >96% of water during the thermal desorb step allowing analysis of polar compounds & minimizing water transfer to the GC column
  • Intuitive, simplified user-interface and Trap View™ software
  • Heats sparger during bake to reduce carryover
  • Patented technologies for foam sensing and purge abort to prevent system contamination
  • Sparge Overfill Sensor (SOS™) prevents overfilling of the sparge vessel and system flooding
  • Patented Infra-Sparge™ Sample Heater ensures consistent sparge vessel temperature conditions for improved compound recoveries and %RSDs
  • Direct resistance heating of the trap at >1,000 °C/min eliminates the need for a trap preheating step and decreases overall purge and trap cycle time
Dimensions  19.25 in H x 7.25 in W x 18 in D
Weight 36 lbs (16.3 kg)
Sparge Vessel  5 mL (standard); 10 mL and 25 mL (optional)
Trap 3.175 mm O.D. x 2.227 mm I.D. (0.125 in O.D. x 0.105 in I.D.)
Trap Heating  Direct resistance heating
Trap Temperature  Programmable - ambient to 450 °C
Trap Cooling  > 240 °C/minute cooling rate (200 °C to 30 °C in < 50 seconds);
Cool down to ambient temperature + 1 °C
Water Management  Eliminates > 96% of trapped water, maximum temperature 240 ˚C;
Cools to ambient temperature + 1 °C
Sample Transfer Line 1/16 in x 48 in standard (60 in optional)
Sample Transfer Line Temperature  Programmable ambient to 325 °C
Standards Injection  SAM, LV-20 (optional)
Sample Heater  Optional infrared heating of sparge vessel with in-situ temperature measurement and feedback control
Foam Sensor  Optional optical sensor detects foam in sparge vessel and stops run to prevent sample pathway contamination
Sparge Overfill Sensor  Optional capacitance sensor detects presence of water in sparge vessel to prevent introduction of a new sample and overfi lling if the previous sample has not drained properly
pH DetectTM Module Optional module automatically measures the pH of samples with date and time stamps stored in a log fi le for reporting or transfer to a LAN/LIMS system
Autosamplers (Optional)  Model 4551A (water samples) or Model 4100 (water/soil samples)
Operating System  Windows® 7, 8, and 10
Communications  USB to RS-485 adapter cable
Gas Requirements  99.999% (UHP Grade) He or N2 purge gas
Power Requirements  115 VAC ± 10% 50/60 Hz
230 VAC ± 10% 50/60Hz
750 VA maximum
Certifications  Safety: Low Voltage Directive 2006/95/EC, EN 61010-1:2010 3rd Ed.
EMC: Directive 2004/108/EC, EN 61326-1:2013
RoHS: Directive 2011/65/EU
Patents  US 5,250,093 5,261,937 5,337,619 6,894,784B2

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