ATL60B high accuracy low temperature calibration slot/ATL80B

 

1. Meet the standard: JJG130.2004 "working glass liquid thermometer calibration procedure";JB/T5376.91 "technical conditions of low temperature test"

 

2. Main technical indicators:

 

Operating temperature range: 2.1 ATL60:60 ℃ ~ + 95 ℃, ATL80: - 80 ℃ ~ + 80 ℃

 

2.2 temperature volatility: plus or minus 0.005 ℃ / 30 min or less

 

2.3 temperature uniformity:

 

2.3.1 level temperature: 0.01 ℃ or less

 

2.3.2 maximum temperature: 0.02 ℃ or less

 

Studio size: 2.4 Ф 130 * 550 mm

 

2.5 insert dial:

 

2.5.1 large-hole insert dial, aperture phi 20, suitable for external diameter phi 16 mm glass thermometer;

 

2.5.2 middle hole and small hole insertion dial in total, the hole diameter of the middle hole phi 14, suitable for the glass thermometer with the outside diameter phi 11 mm, the aperture of the hole phi 10, suitable for the glass thermometer with the outside diameter phi 6 mm;

 

2.5.3 each set of inserts is divided into two layers, each of which has shrapnel, which effectively ensures that the thermometer is vertical when used.

 

2.6 refrigeration equipment: compressor mechanical refrigeration.

 

2.7 refrigerant: environmental refrigerant

 

Temperature control table 2.8: precision computer temperature control instrument, a resolution of 0.001 ℃

 

2.9 dimensions: 590mm x 550 mm x 1250mm

 

2.10 working medium: no water ethanol or distilled water;Standard medium: anhydrous ethanol

 

2.11 power supply: 220V / 50Hz.

 

2.12 noise: not equal to 55db (basic inaudible)

 

3.1 all materials: SUS304 stainless steel plate

 

3.2 insulation material: polyester foam

 

 

 

4. Working conditions:

 

4.1 working voltage: 220V plus or minus 10%

 

4.2 power frequency: 50Hz + 1Hz

 

4.3 ambient temperature: 5 ℃ ~ 30 ℃

 

4.4 environmental humidity: 20% ~ 85%.

 

 

 

5. Measurement and control system:

 

5.1 temperature sensor: Pt100 platinum resistance

 

5.2 control instrument: high resolution microcomputer control instrument, temperature display resolution 0.001 ℃

 

5.3 adjustment mode: PID, the microcomputer adjusts the PID according to the setting temperature and the measured temperature, and the temperature and change of the box are controlled by adjusting the heating power.

 

5.4 pressure protection: when the refrigerating line exceeds the pressure limit, the compressor power is cut off to prevent the compressor from being damaged.

 

5.5.5 overload protection: when the electric current is too large, the overload protection automatically starts, cutting the power to avoid causing the accident.

 

 

 

6. Main configuration:

 

6.1 heater: heating tube, domestic quality products

 

6.2 ac contactor: domestic quality products

 

Other low-voltage appliances: domestic quality products

 

6.4 insulation materials: polyester foaming agent

 

6.5 heating drive: the import of thyristor

 

6.6 refrigeration system: compressor

 

6.7 refrigerant: environmental protection refrigerant

 

6.8 refrigeration auxiliary parts: main refrigeration fittings and control devices are imported originals:

 

6.9 controller: microcomputer temperature controller

 

6.10 mixing blade: stainless steel axial flow mixing blade

 

6.11 motor: domestic quality products

 

 

 

7. Safety protection measures:

 

7.1 safe and reliable grounding protection device;

 

7.2 ground mark.

 

7.3 overpressure protection

 

7.4 overload protection

 

 

 

ATL40B low temperature detection tank

 

1. Meet the standard: JJG130.2004 "working glass liquid thermometer calibration procedure";JB/T5376.91 "technical conditions of low temperature test"

 

2. Main technical indicators:

 

Operating temperature range: 2.1-40 ℃ ~ + 95 ℃

 

2.2 plus or minus 0.005 ℃ / 30 min or less

 

2.3 temperature uniformity:

 

2.3.1 level temperature: 0.01 ℃ or less

 

2.3.2 maximum temperature: 0.02 ℃ or less

 

Studio size: 2.4 Ф 130 * 550 mm

 

2.5 insert dial:

 

2.5.1 large-hole insert dial, aperture phi 20, suitable for external diameter phi 16 mm glass thermometer;

 

2.5.2 middle hole and small hole insertion dial in total, the hole diameter of the middle hole phi 14, suitable for the glass thermometer with the outside diameter phi 11 mm, the aperture of the hole phi 10, suitable for the glass thermometer with the outside diameter phi 6 mm;

 

2.5.3 each set of inserts is divided into two layers, each of which has shrapnel, which effectively ensures that the thermometer is vertical when used.

 

 

 

ATL20B verification slot

 

1. Meet the standard: JJG130.2004 "working glass liquid thermometer calibration procedure";JB/T5376.91 "technical conditions of low temperature test"

 

Key technical indicators:

 

Operating temperature range: 2.1-20 ℃ ~ + 95 ℃

 

2.2 2.2 plus or minus 0.005 ℃ / 30 min or less

 

2.3 temperature uniformity:

 

2.3.1 level temperature: 0.01 ℃ or less

 

2.3.2 maximum temperature: 0.02 ℃ or less

 

Studio size: 2.4 Ф 130 * 550 mm

 

2.5 inserts:

 

2.5.1 large-hole insert dial, aperture phi 20, suitable for external diameter phi 16 mm glass thermometer;

 

2.5.2 middle hole and small hole insertion dial in total, the hole diameter of the middle hole phi 14, suitable for the glass thermometer with the outside diameter phi 11 mm, the aperture of the hole phi 10, suitable for the glass thermometer with the outside diameter phi 6 mm;

 

2.5.3 each set of inserts is divided into two layers, each of which has shrapnel, which effectively ensures that the thermometer is vertical when used.