由爱斯佩仪器网供应Thermo NESLAB RTE-740数字控制器I型制冷水浴*，面向全国供货，所有产品均按国家规定销售，口碑相传的爱斯佩仪器竭诚为您提供全新的实验操作体验。
制冷水浴技术参数：
型号分类：NESLAB RTE-740数字控制器I型 赛默飞世尔/美国热电
Temperature Range : -40° C to +200° C
Cooling Capacity : 800 Watts at 20°C Fluid Temperature （700 Watts 50 Hz）
Pump Flow : 15 liters per minute maximum
Pump Pressure : 16 feet maximum
Pump Type : Force and Suction
Heater Wattage : 800 Watts （2000 Watts 230 volt models）
Temperature Stability : +/-0.01°C
Reservoir Volume : 7 liters
Reservoir Dimensions （LxD） : 6.6" x 7.2" x 6" （16.8cm x 18.3cm x 15.2cm）
Unit Dimensions （HxD） : 26 5/8" x 11 3/8" x 18 7/8" （67.6cm x 28.9cm x 47.9cm）
Shipping Weight : 90 lbs. （40.9 kgs）
性能特点：
The Thermo Scientific NESLAB RTE-740 7 liter low temperature refrigerated bath offers great value for either external circulation or in-bath applications:· Large work openings for big or multiple samples· Simple to use controls available with the Digital One· Wide temperature range and high cooling capacities （800W） to meet your application needs （down to -40°C）
The RTE-740 refrigerated circulating bath and heating bath circulator offers the highest cooling capacity per dollar, a small footprint to conserve valuable bench space, and a 2 year warranty for peace of mind.
All models feature:
Powerful force and suction pumps to circulate long distances or to open or closed containers
Seamless stainless steel tanks for excellent fluid compatibility and easy cleaning
Low reservoir fluid level shut-off safety
Nitrogen purge port to minimize moisture during low temperature operation
User enabled full range cooling. Compressor can be operated over entire temperature range!
UL Listed to UL-3101-1, CSA 1010.1, CE Marked （230V/50Hz RTE-740 units are CE Marked only）
Environmentally friendly R404a CFC free refrigerant
Tool-less removal of front grille for easy condenser cleaning
Reservoir drain for quick and tidy fluid changes
The Digital One Controller Features:
Bright LED digital display
User selectable resolution 0.1C or 0.01C
User adjustable low temperature and high temperature alarm limits
User selectable fault conditions
Continuous run with visual alert
Shut down with visual alert
Automatic reservoir refill port
Looking for more features?
Remote sensing
RS-232 and RS-485 communication port
On/Off Timer with clock
Audible safety alarm with mute
Temperature Display Offset
行业应用补充说明：
因为在一标准大气压下，水达到沸点的条件是100摄氏度,但是从液态变到气态还需要吸收更高的热量,在水浴法里，烧杯里的水在变成水蒸气前都只能有100摄氏度的温度，无法为试管里的水提供更多的热量，所以试管内的液体是不能沸腾的.所以常常利用这种温度不改变的原理对一些需要定温加热的反应进行水浴加热.先在一个大容器里加上水，然后把要加热的容器放入加入水的容器中。加热盛水的大容器通过加热大容器里的水再通过水把热量传入需要加热的容器里，达到加热的目的。
爱斯佩仪器真诚与北京，上海，广东，江苏，浙江，深圳，山东，四川，福建，湖北，河南，辽宁，河北，陕西，湖南，安徽，天津，重庆，广西，黑龙江，江西，山西，吉林，云南，新疆，内蒙古，甘肃，贵州，中国台湾等各大城市用户及经销商提供的产品，zui便捷的售后服务，*的技术咨询。