Model	TK 500 without controls	TK 540 without controls	TK 501 with controls	TK 541 with controls
Operation	0°C to +50°C	-40°C to 0°C	0°C to +50°C	-40°C to 0°C
Control accuracy	+/- 1 K
Cooling capacity in watts
at +20°C	500	-	500	-
at 0°C	120	480	120	480
at -20°C	-	140	-	140
External dimensions [WxDxH]	34 x 40 x 34 cm
Weight	24 kg
Electrical connection	230V / 50Hz
Max. current	1,5A	2,8A	2,8A	2,8A
Standard cooling tube	D=50mm / L=120mm
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