digital circulator water/oil baths

This pump is controlled by computer. The circulating volume is 15liters/minute and distance is 4 meters. Temperature range ?50.0, ?0.1 .Measuring results are displayed on double LED, and all operations are on the soft key of computer. 
Model Lowest working temperature( ) cold slot capacity(L) Volume of freezing (W) Constant temperature accuracy( ) Extreme temperature( ) 
DL-1510 -15 10 600 ?0.5 -25
DL-3010 -30 10 300 ?0.3 -40
DL-1015 -10 15 800 ?0.3 -20
DL-1020 -10 20 4000 ?0.5 -20
DL2020 -20 20 1300 ?0.5 -25
DL-3020 -30 20 1400 ?0.5 -40
DL-4020 -40 20 2250 ?0.5 -50

FOB Price:	USD500-6000NINGBO
Other Price Terms:	t/t