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Assmann type ventilation psychrometer (Ichidai) Meteorological Business Support Center certification included SK-RHG-S 0 to 50℃-SK-RHG-S 0~50℃
Assmann type ventilation psychrometer (Ichidai) Meteorological Business Support Center certification included SK-RHG-S 0 to 50℃-Sato Keiryoki Mfg. Co., Ltd

Assmann type ventilation psychrometer (Ichidai) Meteorological Business Support Center certification included SK-RHG-S 0 to 50℃
Sato Keiryoki Mfg. Co., Ltd

Sato Keiryoki Mfg. Co., Ltd's Response Status

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100.0%

Response Time

10.9hours

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About This Product

Assmann style ventilation psychrometer that aims to measure humidity stably, certified by the Meteorological Business Support Center. The thermometer is 0-50℃.

■Features

The Assmann ventilation psychrometer is highly reliable as a relative humidity standard due to its good reproducibility, but the SK-RHG/SK-RHG- has been improved to further improve operability and accuracy. It's S. A special wet bulb cloth is used for the wet bulb section, which is easier to replace than gauze, and a water bottle is included as standard in the main unit, eliminating the need to replenish water for long periods of time. In addition, the SK-RHG series is powered by AC or DC, and can operate the fan continuously for 20 hours using two AA batteries, and can accurately ventilate at a wind speed of 3 m/s or more. In particular, the SK-RHG-S certified by the Japan Meteorological Service Support Center has been designed with a chrome-plated finish below the body to reduce the effects of radiant heat, aiming for even higher accuracy. . It can be used not only as a conventional weather observation device, but also for environmental measurements of buildings, factories, etc.

■Principles and types of wet and dry bulb hygrometers

A psychrometric/wet-bulb hygrometer consists of two thermometers of the same type, type, and body placed side by side, and the temperature-sensing part of one of them is wrapped in gauze dampened with water. The moistened thermometer is called the wet bulb, and the other thermometer is called the dry bulb. The temperature of a wet bulb decreases due to the heat of vaporization caused by the evaporation of water. The principle of a wet-bulb hygrometer is to use this to read the relative humidity using a formula from the dry-bulb temperature and wet-bulb temperature. Usually, when we refer to a "wet and dry bulb hygrometer," we mean a "wet and dry bulb hygrometer with ventilation." Ventilated wet and dry bulb hygrometers can be roughly divided into three types depending on the type of thermometer used: ``mercury thermometer type'', ``resistance thermometer type'', and ``temperature difference type''. The important point with either type is that the wet bulb requires adequate ventilation in order to perform accurate humidity measurements. Although there are slight differences depending on the structure of each thermometer, the minimum required wind speed is set.

■Assmann type ventilation psychrometer with excellent ease of use and stability

Among ventilation wet-bulb hygrometers, the most popular type is the mercury thermometer type. This literally uses a glass thermometer filled with mercury as a thermometer, and uses a ventilation device to provide a constant flow of air to the temperature-sensing area. Assmann ventilation psychrometers are easy to carry and install, do not require difficult maintenance, and can provide stable and accurate measurements over long periods of time, and are widely used as basic instruments for humidity measurement.

  • Product

    Assmann type ventilation psychrometer (Ichidai) Meteorological Business Support Center certification included SK-RHG-S 0 to 50℃

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1 Models of Assmann type ventilation psychrometer (Ichidai) Meteorological Business Support Center certification included SK-RHG-S 0 to 50℃

Image Part Number Price (excluding tax) Power supply Ventilation speed Mass Measuring range Thermometer accuracy Thermometer Size Accessories ② Accessories ① 1 scale JAN code
Assmann type ventilation psychrometer (Ichidai) Meteorological Business Support Center certification included SK-RHG-S 0 to 50℃-Part Number-SK-RHG-S 0~50℃

SK-RHG-S 0~50℃

Available upon quote

AA manganese battery R20P x 2 or dedicated AC adapter (standard accessory)

3~5m/s

Approx. 740g (excluding battery)

0~50℃

±0.2℃

Double tube thermometer (with auxiliary scale) Seisho (mercury)

(W) 80× (H) 450× (D) 110mm

Dropper: 1 pc, Wet bulb ventilation pipe: 1 set, Hook: 1 pc, Pot holder: 1 pc, Pot: 1 pc, Meteorological Business Support Center Certification Certificate: 1 set

AA manganese battery R20P: 2 pcs, dedicated AC adapter: 1 pc, wet bulb cloth: 20 pcs, water bottle: 1 pc, dust cover: 1 pc, humidity slide rule: 1 pc, carrying case: 1 pc, instruction manual Book: 1 book

0.2℃

4974425390908

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About Company Handling This Product

Response Rate

100.0%


Response Time

10.9hrs

Company Overview

Sato Keiryoki Mfg. Co., Ltd., established in 1951 and headquartered in Tokyo, Japan, is a manufacturer of temp...

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