Thermo Finnigan Surveyor RI Plus Detector
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The Surveyor RI Plus RID is a member of the Surveyor Plus family of LC instruments. The Surveyor RI Plus Detector is a full-featured, low-maintenance, refractive index detector. The detector is a bench-top unit for inclusion in the Surveyor Plus LC system. You control the detector through an Ethernet link to the ChromQuest data system computer. The Surveyor RI Plus Detector has the following features:
- An automatic intensity adjustment that compensates for the deterioration in sensitivity due to flowcell contamination or reduced light levels
- A low volume (8 μL) flowcell, which reduces band broadening
- A solenoid valve that operates at half its rated voltage and a tungsten lamp that operates at a reduced voltage to maximize component life
- LEDs (light emitting diodes) that keep you informed of power, communications, run, and temperature status
- A dynamic operating range of 1.00 to 1.75 RIU, which makes the detector suitable for a variety of applications
- Integrated instrument control from the ChromQuest data system, which provides automated temperature control, a rise time filter, a purge function, an autozero function, and built-in calibration procedures
The Surveyor RI Plus Detector meets the following specifications.
| Method of detection: | Deflection |
| Refractive index range: | 1.00 to 1.75 RIU |
| Attenuator range: | 0.25 to 512 μRIU |
| Linearity range: | 600 μRIU |
| Noise: | = 2.5 × 10-9 RIU (Response:1.5 seconds) |
| Rise time: | 0.1, 0.25, 0.5, 1, 2. 3. 6 seconds |
| Polarity: | Positive/Negative |
| Zero adjustment: | Optical zeroing, automatic zeroing |
| Automatic zeroing range: | ± 10 × 10-5 RIU |
| Resolution of autozeroing: | ± 10 × 10-9 RIU |
| Offset adjustable range: | 0 to 500 mV (same with Integrator output sensitivity) |
| Resolution of offset: | 10 mV (same with Integrator output sensitivity) |
| Integrator output: | 0 to 1V/FS (Sensitivity: 512 × 10-6 RIU/FS) |
| Recorder output: | 0 to 10 mV/FS |
| External Communication: | Ethernet |
| Event Marker Input: | Contact: = DC 5V, 0.1 A
|
| Signal Output: | Contact: = 5V, 0.1 A
Ready |
| Signal Input: | Run, Autozero, Purge |
| Temperature control: | 30 to 50 °C (1 °C increment) or off |
| Cell volume: | 8 μL |
| Maximum flow rate: | 10 mL/min (mobile phase: deionized water) |
| Pressure rating: | 517 kPa (75 psi) |
| Liquid-contact materials: | 316 stainless steel, Teflon, Quartz optical glass |
| Power Requirement: | AC100/115/220/240 VAC ± 10%, 50/60 Hz |
| Power consumption: | 60 VA maximum |
| Dimensions: | 36 cm W × 47 cm D × 18 cm H |
| Weight: | 17.3 kg (38 lbs) |
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