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baths calibration baths

at series standard calibration baths
　
feature

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.


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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

baths calibration baths

at series standard calibration baths
　
feature

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