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Starter Kit Instruction Manual Description 25
4.8 QCL temperature controller(TCU151)
4.8.1 Description
The TC U151 is used to control the laser’s temper-
ature inside the Laboratory Laser Housing.
It uses a PT100 senso r to measure the tempera-
ture of the cold plate and maintains a pre-set tem-
perature either from a front panel knob or from a
user supplied voltage.
4.8.2 Specifications
Voltage: . . . .. . . . . . . .. . . . . . .. . . . 120-240V AC
Frequency: .. . . . . .. . . . . . .. . . . . .. . . . . 50-60 Hz
Fuse:
. . . . .. . . . . .. . . . . . . . .1.6 A T (220-240V)
. . .. . . . . . .. . . . . . . .. 3.2 A T (110 -120V)
Peltier c urrent maximum: .. . . . . . .. . . . . . . .5A
Temperature control range: . -65
◦
C to 65
◦
C
Temperature measurement:. .. PT100 4 wires
Temperature monito r: . . .. 10mV/
◦
C, Zout =
200Ω
In addition, allow for 15 min. warm-up of
TCU151 to get stable readings
External driving temperature: . -6.5V to 6.5V
(-65
◦
C to 65
◦
C), Zin =1MΩ
4.8.3 Peltier and PT100 connections
The rear connector pinout is listed according to the
following items:
(1) Pin 1: +Peltier element
(2) Pin 2: - Peltier element
(3) Pin 3: +I PT100
(4) Pin 4: +Sense PT100
(5) Pin 5: -Sense PT100
(6) Pin 6: -I PT100
(7) Pin GND: Gro und
TCU151
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Fig.11: TCU151 temperature controller
1
2
1
7
3
4
5
6
Fig.12: TCU151 Peltier Connector