Copyright 2013 Baker Hughes Company.
English–Dry
TC / Liquid
TC Temperature Calibrators | 5
•
Please follow the safety data sheet of the mineral oil used.
•
The safety instructions for silicone oil apply equally to mineral oils as well. The same also
applies to the corresponding sections for silicone oil in this operating manual.
3. Construction and Function
3.1 Construction
Figure
1: General View
The calibrator consists of a robust steel housing (2) with integral carrying handle (1). The display
(3) is located on the front panel of the unit. Liquid
TC calibrators have a thumb wheel (10) to
control the speed of the magnetic stirrer.
The mains inlet, switch and fuses (5) are located on the front of the unit. The service and data
interface (4) is located underneath the display (3).
During operation, cooling air is drawn in from the base of the unit (11, 12) and expelled through
grilles (7, 9). Dry
TC calibrators expel air through the top of the unit (7). Liquid
TC calibrators
expel air through side grilles (9).
The rear section of the housing contains the insulated dry block or micro bath. Heating elements,
together with an integrated temperature sensor, are used to regulate the temperature of the dry
block / micro bath. Some models contain cooling elements. These allow the temperature to be
regulated below room temperature.
1 Carrying handle.
2 Steel housing.
3 Controller display and keypad.
4 Service and data interface.
5 Mains inlet, switch with fuses.
6 Dry block.
7 Exhaust cooling air through upper housing grilles.
8 Micro bath with transportation cover.
9 Exhaust cooling air through side housing grilles.
10 Magnetic stirrer speed control. (Liquid
TC only)
11 Inlet air for housing cooling.
12 Inlet air for dry block / micro bath cooling.
9
10
1
2
3
5
6
7
4
8
11
11
12
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