Seebeck Coefficient / Electric Resistance
Measuring System
ZEM-2
Thermal power generation is
a method of generating power based on the thermoelectric effect
which was discovered by J. T. Seebeck, German physicist in
1821. In the face of recent global warming caused by carbon
dioxide and depletion of fossil fuels, thermoelectric conversion
devices are attracting attention because of its effective
utilization of waste heat energies. To meet these pressing
requirements, ULVAC-Riko has developed a characteristic evaluating
instrument for these materials and devices.
Features
- One unit can be used for simultaneous measurement
of both Seebeck coefficient and electric resistance (resistivity).
- The instrument permits measurement of both 13-to-22mm
long prism and cylindrical samples.
- The sample holder uses a unique balance contact mechanism,
permitting measurement of high reproducibility.
- V-I plot measurement can be made to judge if the lead
is in intimate contact with a set sample.
- Measurement is controlled by a computer, permitting automatic
measurement with each temperature difference at a specified
temperature and elimination of dark electromotive force.
- Measured raw data is saved in text format.
Specifications
Temperature range |
- 80 to
100°C (L type)
Room temperature to 800°C (M8 type) |
Temperature setting range |
Number of measurement
temperature steps and number of temperature sample
measurement difference steps:
Maximum 125 |
Measurement method |
Seebeck coefficient :
Static dc method
Electric resistance : Four-terminal method |
Atmosphere |
Low pressure helium
gas |
Sample size |
2 to 4 mm square or
diameter x 13 to 22mm long (maximum) |
Lead interval |
8 mm |
Power requirements |
200 VAC, single phase,
40 A (M8 type)
100 VAC, 20 A (L type & M8 type) |
Cooling water requirements |
City water, water pressure
1.5 kgf/cm2 or more
Flow rate 7 L/min or more |
* L type and M8 can be used simultaneously.
For
more information |
|
TEL
: 978-686-7550/ FAX : 978-689-6300 |
|
