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Temperature and humidity test box: a brief introduction of NM-HWS series temperature and humidity test box

Temperature and humidity test box: a brief introduction of NM-HWS series temperature and humidity test box

  • Categories:News
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  • Time of issue:2020-12-22
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(Summary description)NM-HWS temperature and humidity verification box is a special verification equipment used to detect hair temperature and humidity meters (meters), dry and wet bulb thermometers, digital temperature and humidity meters and other various humidity sensors.

Temperature and humidity test box: a brief introduction of NM-HWS series temperature and humidity test box

(Summary description)NM-HWS temperature and humidity verification box is a special verification equipment used to detect hair temperature and humidity meters (meters), dry and wet bulb thermometers, digital temperature and humidity meters and other various humidity sensors.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2020-12-22
  • Views:0
Information

product description

NM-HWS temperature and humidity verification box is a special verification equipment used to detect hair temperature and humidity meters (meters), dry and wet bulb thermometers, digital temperature and humidity meters and other various humidity sensors.

The temperature and humidity verification box is accurately measured by the temperature and humidity sensor and controlled by an industrial programmable controller, which can realize the automatic adjustment of the temperature and humidity in the temperature and humidity verification box. It has high control and measurement accuracy and can provide continuous and repeatable temperature and humidity measurement. , also suitable for scientific research and product testing.

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Technical Features

According to the actual needs of a large number of verification temperature and humidity meters, three observation windows are designed, which can verify 10 hair-type temperature and humidity meters at the same time, and the verification efficiency is extremely high.

The double operation hole design on the box allows the inspector to put his hands into the box and adjust the instrument under inspection directly in the box, which greatly improves the verification efficiency.

The unique design of the soaking temperature field makes the box do not need to increase the air flow rate to obtain a uniform temperature field, which not only meets the requirements of the new regulations for the verification of wet and dry bulb thermometers for the wind speed to be less than 0.2 m/s, but also ensures that the temperature uniformity is less than 0.2 m/s. 0.3°C.

Ultra-thick thermal insulation layer, observation window five layers of vacuum glass, cold and heat will not be lost, ensuring rapid and stable heating and cooling.

Automatic timing start, realize the automatic start of equipment before going to work, can read immediately after going to work, save working time.

High-quality controller, long warranty period (two-year warranty for touch screen and controller under normal use conditions).

After installing the corresponding equipment, unattended automatic verification can be realized. The box automatically runs at each verification point, and the digital camera automatically captures the value indicated by the meter and forms a report.

 

Technical parameter

Model

NM-HWS03

Use ambient temperature

20±5℃

Temperature range 5℃~50℃ (can be expanded according to the needs of use, -20~80℃)
Humidity range

25%RH~95%RH

Temperature fluctuation

≤±0.1℃(15℃、20℃、30℃)

Temperature uniformity ≤0.3℃ (measured at 15℃, 20℃, 30℃)
Humidity Fluctuation

≤±0.8%RH(20℃)

Humidity uniformity

≤1.0%RH(20℃)

Temperature control system Isothermal hot plate heating, cooling/expert PID adjustment, platinum resistance sensor measurement control
Humidity control system Accurately control the proportion of dry and wet gas to form different wet fields, temperature and humidity sensor measurement control
Shell material High-quality 304 stainless steel plate jacket spray treatment
Observation window Tempered tempered glass on three sides of the studio; 2 operating holes

Temperature and humidity measurement method

Electric ventilation psychrometer, humidity sensor or precision dew point meter

Control mode

touch screen man-machine interface, fully automatic control

All kinds of control, setting, protection, curve display and other parameters are readily available

Timer switch can be set, with wind speed variable frequency adjustment function

Control state programmable

After installing the corresponding equipment, it can constitute an automatic test, and the test task can be completed in the unmanned state

Studio Internal Size

500×500×500㎜(500×800×800㎜can be customized)

Dimensions (height/width/thickness)

1700㎜< /span>× 700×1000㎜(1700×1000×1300㎜)

weight

about 350kg

Applicable standard

"Mechanical Thermo-Hygrometer" Verification Regulations (JJG205-2005)

"Temperature and Humidity Standard Box" Calibration Specification (JJF1564-2016)

 

Taian Nimeng Electronic Technology Co., Ltd. is a manufacturer of thermocouple thermal resistance verification systems, thermocouple verification furnaces, temperature and humidity verification boxes, forehead temperature gun calibration devices, and precision dew point meters. Welcome to cooperate and negotiate!

 

 

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Taian Nimeng Electronic Technology Co., Ltd.

Hotline:+86-400-646-8801 

Tel:+865388588768

Fax:+865388588769  

E-Mail:tanimeng@126.com
Address: East of Panhe Street, Taishan District, Tai'an City, Shandong Province

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Time of issue:2020-11-20 09:05:16

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