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 | baths calibration baths at series standard calibration bathsfeature l using high-precision computer temperature controller with high temperature-control precision and high setting and display resolution. l special structural design, making products more in conformity with scientific theory of fluid dynamics and different indexes of products better guaranteed. l mature mixing design has greatly improved reliability and indexes of products. |
| application 1. used for calibration and scaling of first and second-class thermometer. 2. necessary calibration equipment for production, scientific research, especially measuring departments. 3. necessary production and testing equipment for thermometer, thermocouple, precision resistor, precision inductor manufacturing enterprises. standards implemented and met standard water bath precisea:jb/t5377-1991 standard oil bath precisea:jb/t9518-1999
specifications | |
| produce name | standard water bath | standard oil bath | low temperature calibration bath | ||||||||
model | at100(b) | at300(b) | atl05(b) | atl20(b) | atl40(b) | atl60(b) | |||||
■performance | |||||||||||
| temperature range | r.t+10～95℃ | 90～300℃ | -5～90℃ | -20～90℃ | -40～90℃ | -60～90℃ | |||||
| temperature constancy | ±0.005℃ | ±0.01℃ | |||||||||
| temperature uniformity | level | ±0.005℃ | ±0.01℃ | ±0.01℃ | |||||||
| largest | ±0.01℃ | ±0.02℃ | |||||||||
| ■components | |||||||||||
| interior material | stainless steel sus 304 | ||||||||||
| exterior material | stainless steel sus 304 | ||||||||||
| heat insulating material | glass wool | rigid polyurethane foam+glass wool | |||||||||
| heater | stainless steel tube heater | ||||||||||
| ■controller | |||||||||||
| temperature control method | pid control by microprocessor | ||||||||||
| temperature setting method | digital setting with the up/down key | ||||||||||
| temperature display method | digital display by led | ||||||||||
| heater circuit control | triac zero-cross control | ||||||||||
| operation function | fixed temp. operation | ||||||||||
| temperature sensor | pt100ω | ||||||||||
| ■refrigeration system | |||||||||||
| refrigeration method | - | mechanical single-stage refrigerator system | mechanical cascade refrigerator system | ||||||||
| air-cooled condenser | |||||||||||
| refrigerator | - | hermetically-sealed rotary compressor | |||||||||
| refrigerant | - | r507/ r404a (cfc-free) | r404a+r23 | ||||||||
| condenser | - | finned tube exchanger | |||||||||
| evaporator | - | serpentine coil evaporator | |||||||||
| ■safety devices | |||||||||||
|
| over current breaker, electric leakage breaker | overcurrent breaker,/electric leakage breaker /refrigeration system overheat、overpressure、overcurrent protection | |||||||||
| ■规格standard | |||||||||||
| interior dimensions | ф160╳550mm | ф130╳550mm | |||||||||
| internal capacity | 11l | 7.3l | |||||||||
| medium | water | ≤257 silicon oil | anhydrous ethyl (≤41℃) | ||||||||
| power supply | av220v/50hz (single phase) | av380v/50hz (three-phase) | |||||||||
| power(kw) | approx2.8 | approx3.2 | approx3.2 | approx4.2 | approx4.2 | approx4.8 | |||||
| ■accesseies | |||||||||||
| thermometer thrust plate,2 set / product desc-ription, 1 set | |||||||||||
| ■optional accesseies | |||||||||||
| communication interface(rs232 or rs485)/timer | |||||||||||
| ※1.the performance shown here is the value under the condition of the ambient temperature of 23°c±2°c, humidity of 65%rh±20%. and there is not burden. ※2.the projection is not included for internal dimensions and external dimensions. |
