Transcript Peltier Temperature Device

Peltier Temperature Device - PTD
www.anton-paar.com
PTD – Peltier Temperature Device
Truly Peltier Heated Hood
Patented Technology
Temperature range: -40°C to 200°C
Sliding Rail: Flexible Positioning
Peltier Convection & Radiation
MCR Integrated Control Boards
Peltier Heated Basis Plate
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PTD – Peltier Temperature Device
Peltier heating and cooling
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Temperature range:
Typical working range:
-40 – 180°C
-30 – 150°C
Advantages:
- Fast, i.e. large heating and
cooling rates
- Easy to operate
- Small design possible
- Inexpensive
Disadvantages:
- Counter cooling needed
- Aging effects at high temperatures (>150°C)
PTD – Peltier Temperature Device
The PTD consisting of bottom plate and hood
is an intelligent temperature control system based on
 Conduction heating = bottom plate
 Combined radiation and convection heating = Peltier hood
 MCR integrated control boards
for a direct temperature control (no external boxes)
 ToolmasterTM configured
Radiation Heating
Forced Convection Heating
Conduction Heating
Forced convection heating can be used in combination with
N2 gas to create a frost free, dry environment
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PTD – Peltier Temperature Device
Excellent temperature control from the bottom to the top
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Unique combination of
Radiation, Convection (frost protection) & Conductive Heating / Cooling
Homogenous heating and cooling
Low temperature measurement without having
 condensation (inert, dry)
 frost formation
Peltier-Hood
Heating/Cooling
by Convection
and Radiation
N2
Peltier Basis Temperature-Control by Conduction
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PTD – Peltier Temperature Device
Features and benefits
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Excellent heating and cooling characteristics
Temperature range -40°C to 200°C
Frost protection down to -40°C
Truly Peltier heated hood
Sliding rail for peltier hood
Quick Connect
Toolmaster TM for basis plate & hood
Optional TruGapTM
Control Boards are part of the MCR
Unique combination of radiation, convection (frost
protection) & conductive heating and cooling
Certified temperature sensor
Almost constant counter cooling temperature over a
wide working range
Optional Evaporation Blocker
Bi-Cone (Double-Cone)
Disposable cones, plates and dishes for the lower plate
H-PTD – Peltier Heated Hood
 Quick Connect
 Toolmaster
 Sliding Rail for flexible positioning of the peltier hood
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PTD – Peltier Temperature Device
Peltier System with patented actively heated hood H-PTD200
(US Patent 6,571,610)
Most people just use the Peltier controlled base plate
Problem: Huge temperature gradients
Solution: Actively heated peltier hood ( H-PTD200 )
Proof technology with virtually
Gradient free sample area
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none
passiv
H-PTD 200
P-PTD 200
P-PTD 200
P-PTD 200
PTD – Peltier Temperature Device
Verification of the temperature in the measuring gap
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Automatic temperature calibration routine (Rheometer Software)
Certified sensor
Calibration sensor in the measuring gap
Connection of the calibration sensor to the rheometer
Plug & play
MCR
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PTD – Peltier Temperature Device
Temperature range: -40°C to 200°C
 Uniform temperature controller and temperature range for basis plate and hood
 Controller board for basis plate and hood included in the MCR (full control over the system)
 Largest temperature range without changing the counter cooling temperature
Counter cooling (recommended)
Peltier working range
-15°C
20°C
70°C
-40°C to 110°C
-15°C to 150°C
35°C to 200°C
Maximum heating rate: 60 K/min*
Maximum cooling rate: 50 K/min*
Average heating rate:
Average cooling rate:
16 K/min*
12 K/min*
*) Please keep in mind that the sample temperature is much more important than the maximum heating rate
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PTD – Peltier Temperature Device
Phase transitions like crystallization, melting and glass temperature
can not be measured accurately enough without actively cooled hood
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10
Pa
10
10
G'
G''
10
10
10
10
10
10
5
4
3
Crystallization Point
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G' = 24Pa
T = 33°C
1
0
-1
-2
10
20
30
Temperature
40
50
T
am03057
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°C
60
PTD – Peltier Temperature Device
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1,000
10
Glass-Transition-Temperature
Pa
Tg
Onset,
8
10
7
100
mean
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G'
6
10
Melting Point
minimum
Tm
5
10
10
G''
4
10
3
10
1
2
10
1
10
0
10
12
-40
-20
0
20
40
Temperature T
60
80
0.1
100 °C 120
tan( )
PTD – Peltier Temperature Device
Softening of a resin (thermoset)
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160
°C
140
Heating Rate: 20K/min
10
Pa
5
120
10
3
Gel Time &
Temperature
G'' 10
D-PP15; [d=1 mm]
80
G'
1
10
60
-1
10
40
-3
10
13
0
2
4
Time t
6
8
C Resin ETC /DSO 1, I1...I2
100
20
10 min 12
T
G''
Loss Modulus
G'
Storage Modulus
T
Temperature
PTD – Peltier Temperature Device
Ice cream with & without peltier hood, PP25 profiled
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PTD – Peltier Temperature Device
Asphalt
Settings: PP15, Frequency 1Hz,
Normal Force Compensation 0 N +/- 0.5 N
Rheoplus
Heating Rate 2 K/min
1,000
10
MPa
100
10
G'
Asphalt; PP08
1
1
G''
0.1
0.01
0.001
-40
-20
0
20
40
60
Temperature T
80
100
Anton Paar GmbH
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120 °C 140
0.1
G'
Storage Modulus
G''
Loss Modulus
tan( )
Damping Factor
tan( )