Recirculating Chiller Requirements

 

The TIM Testers require a recirculating chiller for coolant flow with sufficient temperature stability and flow rate for optimal test results.

Recommended Chiller Specifications
Flow Rate: 2.0 gal/min (8 liter/min) positive displacement pump
Pressure Limit: 50 psi (280 kPa)
Temperature Control Stability: +/- 0.1°C @ min. 500W (TIM 1300) or min. 900W (TIM 1400)
Set Point Range (minimum): 10°C - 35°C

Any chiller that fits these technical requirements can be used although a chiller that is controllable via serial communication port is most convenient. WinTIM software uses the serial control link to turn the chiller ON/OFF and to change the chiller setpoints. When using a chiller that is not equipped with serial control capability, WinTIM displays screen-prompts for the operator to perform these ON/OFF and setpoint changes manually. Version 5.0 WinTIM minimizes the need for chiller setpoint changes when testing to the ASTM 5470 sample average-temperature of 50°C. This means that for samples with impedances greater than 0.16 K in^2/W (1.0 K cm^2/W), almost no chiller setpoint changes are required.

If the ultimate in convenience is required, WinTIM software exclusively supports Thermo-Fischer chillers with serial control commands that are embedded in WinTIM software. The following chillers all provide the above performance specfications and built-in serial control capabilities:

Thermo-Fischer Scientific Chillers
▪ 100VAC, 60 Hz ThermoFlex900 PD1 100/60 RS232 IPR
▪ 120VAC, 60 Hz ThermoFlex900 PD1 115/60 RS232 IPR
▪ 230VAC, 50 Hz ThermoFlex900 PD1 230/50 RS232 IPR
▪ 230VAC, 60 Hz ThermoFlex900 PD1 230/60 RS232 IPR
▪ 120VAC, 60 Hz M25 STD 115V PD1 RS232 # 262112032000
▪ 230VAC, 60 Hz M25 STD 230V PD1 RS232 # 262125032000

Ordering Information
These chillers can be ordered directly from Thermo-Fischer Scientific

 
 
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