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更新時間：2023-01-14 08:59:58瀏覽次數(shù)：214次
聯(lián)系我時，請告知來自 環(huán)保在線液體密度計是根據(jù)雙U型管內(nèi)充滿不同介質(zhì)時震蕩頻率不...
液體密度計是根據(jù)雙U型管內(nèi)充滿不同介質(zhì)時震蕩頻率不同的原理進行液體密度測量的。將待測液體泵入諧振筒傳感器后，由單片機進行測量數(shù)據(jù)處理，快速直接，而且靈敏度高。它是由雙音叉式密度傳感器、振筒電路、測溫電路、CPU、顯示器、恒溫槽、進液泵及控制面板組成。該液體密度計可廣泛用于各種液體密度的測量，且配合不同的濃度轉(zhuǎn)換軟件，還能直接讀出相應(yīng)液體的濃度值，如酒精，通過單片機軟件的處理，可直接讀出體積濃度數(shù)據(jù)，測試更為方便。
產(chǎn)品型號和主要參數(shù)概況
貨號 | ETT-005 | ETT-01 | ETT-02 | ETT-05 | ETT-08 | ETT-10 | |
主要技術(shù)參數(shù) | 測量范圍 | 0～1999.99kg/m3 | 0～1999.99kg/m3 | 0～1999.9kg/m3 | 0～1999.9kg/m3 | 0～1.9999g/cm3 | 0～1.999g/cm3 |
示值誤差 | ±0.05kg/m3 | ±0.1kg/m3 | ±0.2kg/m3 | ±0.5kg/m3 | ±0.0008g/cm3 | ±0.001g/cm3 | |
恒溫控制 | 20℃±0.05℃ | 20℃±0.05℃ | 20℃±0.05℃ | 20℃±0.1℃ | 20℃±0.1℃ | 20℃±0.1℃ | |
采樣量 | 2ml/次 | 2ml/次 | 2ml/次 | 2ml/次 | 2ml/次 | 2ml/次 | |
數(shù)據(jù)存貯 | 80組 | 80組 | 80組 | 80組 | 80組 | 80組 | |
環(huán)境要求 | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | |
供電電源 | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | |
功 能 特 點 | 1.六位數(shù)碼密度值顯示。 | 1.六位數(shù)碼密度值顯示。 | 1.六位數(shù)碼密度值顯示。 | 1.五位數(shù)碼密度值顯示。 | 1.五位數(shù)碼密度值顯示。 | 1.四位數(shù)碼密度值顯示。 | |
2.恒溫控制20℃±0.1℃（恒溫值可根據(jù)用戶要求定做）。 3.鍵控操作，自動采樣。 4.內(nèi)壁免掛壁處理。 5.數(shù)據(jù)可回調(diào)刪除（可定做數(shù)據(jù)傳輸和數(shù)據(jù)打印功能）。 6.用20℃純水校準。 | |||||||
外型尺寸：206cm×205cm×200cm
儀器重量：3.2Kg
ETT series electronic liquid densitometer
1. General ：
ETT series electronic densitometer works on basis of the principle of vibration frequency variation in different media what filled fully in U shape pipe for measuring the media density. the micro processor shall process the measured data from the sensor mounted in the resonator with quick, direct and high precision features. The unit consists of double tuning fork sensor, circuit of vibration cylinder, temperature measurement circuit, CPU, display screen, constant temperature chute, filling pump and control panel. Combined with various density converting software the direct reading of concentration of various liquid is available. Such as alcohol, may be processed by single-chip processor software to read out directly the data of volume concentration, making the test more convenient.
2. Functions ：
1.Constant temperature control ：for the reason of the impacts of temperature to the density of liquid therefore the measured density shall be converted into the density at 20℃. but in herein device the temperature of the constant temperature chute shall be controlled within the range of 20℃±0.1℃ and the sensor as well as the sample liquid enclosed in the chute , the single-chip processor and the sensor for resonator shall be engaged for the temperature control. so that the error and the complication of the conversion can be avoided and the precision, stability and repeat can be guaranteed（the constant temperature chute can be custom-built.）。Double bladders are arranged for constant temperature control with better seal and stability.
2.Direct reading of density for 20℃ of liquid and indication of temperature：The single -chip processor work out the density of liquid on basis of the mathematic model of frequency to liquid density of sensor and the measured frequency of vibration, then carry out the floating-point mathematics for avoiding the extra error caused by the insufficient precision. The digital reading of density calculated by the processor is displayed and the temperature display also available.
3.Automatic sampling：Creep pump controlled by the single-chip processor and driven by stepping motor make the system running at high level of automation.
4.Free remainder treatment arrangement：The remainder of liquid on the inner wall of the resonator tube after liquid flow may impact the precision of measurement therefore the free remainder treatment to the inner wall of the resonating tube can guarantee the precision of the device.
5.Acid and alkali resistant pipe：The entire pipe contacting the liquid shall be acid and alkali resistant pipe for application of acid or alkali liquid.
6. Data storing ：In-built memory chip for storing 80 groups of measured data, the recall and delete function are available.
7.Subsidiary function ：Special software is available for reading of liquid concentration at various temperatures as per client's application.
8.Clalibration ：the device can be calibrated with pure water at 20℃ for correct its shifting caused of long time off -position which is not available in normal glass densitometer.
3. The new advantages：
1. Double U-shape resonating sensor adopted for the liquid density measurement that making measurement quick and with higher precision comparing with the conventional method of mass to volume ratio.
2.In addition to the advantage of constant temperature feature at 20℃ the double bladder constant temperature arrangement can keep the higher stability and resistant to circumstance.
Types and specifications
type No. | ETT-005 | ETT-01 | ETT-02 | ETT-05 | ETT-08 | ETT-10 | |
specification | range | 0～1999.99kg/m3 | 0～1999.99kg/m3 | 0～1999.9kg/m3 | 0～1999.9kg/m3 | 0～1.999g/cm3 | 0～1.999g/cm3 |
indication error | ±0.05kg/m3 | ±0.1kg/m3 | ±0.2kg/m3 | ±0.5kg/m3 | ±0.0008g/cm3 | ±0.001g/cm3 | |
constant temperature control | 20℃±0.05℃ | 20℃±0.05℃ | 20℃±0.05℃ | 20℃±0.1℃ | 20℃±0.1℃ | 20℃±0.1℃ | |
sampling | 2ml/one time | 2ml/one time | 2ml/one time | 2ml/one time | 2ml/one time | 2ml/one time | |
data storing | 80 groups | 80 groups | 80 groups | 80 groups | 80 groups | 80 groups | |
ambient condition | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | 5℃～35℃ | |
power | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | 220V±22V，50Hz±1Hz,50VA | |
indication | one 6 digitals indication of density | one 6 digitals indication of density | one 6 digitals indication of density。 | one 5 digitals indication of density。 | one 5 digitals indication of density | one 4 digitals indication of density | |
Dimension ：206mm×205mm×200mm
Weight：3.2Kg
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