LMTD between the total heat transfer coefficient. AU of the cooling tower and the ... factors in determining the capacity of the cooling ..... Thus, Eq. (5) is corrected.
energy consumed by chillers, cooling towers, and ... any efficient energy use requires an energy control of ..... the optimal temperature point by considering the.
PID Temperature Control A5E00125039-02 iii Preface Purpose of the Manual This manual supports you when you work with the temperature controller block
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13.2 Digital Computer Control System Applications 985. 13.3 Sampled-Data
Systems 987 ... 13.11 Digital Control Systems Using Control Design Software
1018.
A temperature control unit (TCU) provides controlled temperature water (coolant)
to a group of sample coolers in order to ensure closely controlled sample.
CH-500 HPLC Column Heater System ... Specifications for Temperature
Controllers. Model ... To enable you to design a temperature control system that
best.
Eppendorf HPLC Temperature Control Systems Product Specification CH-500 HPLC Column Heater System
Column temperature control leads to: more reproducible retention times more stable baselines ● faster analyses ● less system wear Column temperature control is essential to reproducibility of retention times and the stability of your detector baseline in reversed phase, normal phase, ion exchange, and size exclusion liquid chromatography. The temperature variation in most labs – a 3-4°C daily fluctuation – is sufficient to cause errors in quantification or peak identification, particularly in automated systems and systems including temperature-sensitive detectors. ● ●
To enable you to design a temperature control system that best matches your needs, we offer these Eppendorf® heaters and controllers, except model CH-500, as separate items. Model CH-30, CH-430, and CH-460 heaters MUST be connected to a separate controller.
Specifications for Temperature Controllers Model Temperature Range Readability Setability Set Control Typical Stability Absolute Accuracy Display Power
CH-500*
TC-45
TC-50
TC-55**
amb.-150°C 0.1°C 0.1°C 10 turn potentiometer
30-65°C 5°C 5°C 8 DIP switches
amb.-150°C 0.1°C 0.1°C 10 turn potentiometer
amb.-150°C 0.01°C 0.01°C membrane switches or RS-232
±0.1°C
±0.1°C
±0.1°C
±0.01°C
±1°C (50°C) 3½ digit LED 120/240VAC
±1°C (50°C) DIP switches 120/240VAC
±1°C (50°C) 4 digit LED 120/240VAC
±1°C (50°C) 5 digit LED *** 120/240VAC
997-0092, 0230
The CH-500 heater/controller combines features of the CH-30 heater and the TC-50 controller in a single unit. It includes Eppendorf’s innovative reversible heating blocks and remote heater on/off capability. Use this unit to heat up to two 1/4" x
