Comparison Table
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Features
|
ω♯
T0010 System
|
A typical modern thermoelectric measurement system, e.g.,
Review of Scientific Instruments
72-4201 (2001)
|
|
sub-hertz ac heating sources
|
built-in (OS-DAC-0002)
|
Keithley 220 current sourcemeters (x2), ($8000, or build your own ...)
|
|
Signal acquisition
|
built-in (OS-S-001)
|
Keithley 2000 or Agilent 34401A μV-meters (x3), ~$3500
|
|
Data Acquisition
|
- PC
- USB (built-in, OS-DAC-0002)
|
- PC ($500)
- GPIB card ($500)
|
|
Signal connections
|
OS-S-001 attach directly to the probe, amplified signals to OS-DAC-0002 unit
|
shielded cables to connect low level signals, racks/panels ($200-$1500, need expertises to configure and connect)
|
|
Cold junction
|
Thermistor and software compensation, 0.1 °C (upgradable to 0.05 °C, special calibration required for better than 0.05 °C)
|
DI-water/ice mixture with special probe construction
|
| Temperature range |
~10K to > 1300K, determined by the probe (not included)
|
|
Signal precision
|
- hardware differential (lower noise)
-
~ 0.1 μV signal precision
- (ask a quote for special requirements)
|
- 0.1 μV meter resolution
- software differential (higher noise)
-
~ 0.5 μV signal precision
- (~ 0.01 μV with ~$7,000 more and careful design)
|
|
Extras
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- Bundled software
- In-depth technical notes
- Customer support
- 1-year parts and labor
- ...
|
(None)
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|
Summary
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Complete measurement system bundled with software for below $10,000 (probe not included -- ask a quote for customerized probe)
|
~ $13,000, need building from ground and writing software (~$20,000 or more for better accuracy, ask a quote for configuration and design by us)
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