微波水分儀
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微波水分儀
詳細(xì)信息 技術(shù)參數(shù)
Technical data
Measuring range: (0.1 – 85) % in adjustable graduations
Reproducibility: typical standard deviation
0.05 % for 10-fold measurement
Measuring time: 1 second
Article memory: 40 articles
Data storage: CMOS memory with battery buffer
Features: large colour display, full keyboard, standard applicator
Sample temperature: (0 – 70) °C (automatic temperature compensation)
Ambient temperature: (0 – 40) °C
Measuring volume: (1 – 2000) ml
Interfaces
Data: 2 x RS 232 (for PC and printer connection)
Analog output: (0/4 – 20) mA (option)
Mains connection: (110 – 230) V AC /
Dimensions and weights
System: desktop housing (500 x
200 x 430) mm (w x h x d)
Weight: 11.5 kg
Laboratory sensor: desktop housing (370 x
390 x 280) mm (w x h x d)
type PA*H-177-40
(others possible)
Sample volume : 400 ml
Weight: 11 kg
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主要特點(diǎn)
微波水分儀是通過物品內(nèi)部水分子的雙極性和外源微波產(chǎn)生共振來定量水分,這種方法突破了現(xiàn)有紅外線水分測定法對揮發(fā)性物質(zhì)的干擾實(shí)現(xiàn)了對水的選擇性,從而實(shí)現(xiàn)真正的水分定量(紅外線水分測定法的“水分“除了物質(zhì)內(nèi)部物理態(tài)存在的水以外還包括所有在紅外線作用下?lián)]發(fā)物質(zhì)產(chǎn)生的假水分),測量時(shí)間更短(只需1秒鐘),并且對樣品不產(chǎn)生破壞。適用于食品、煙草、藥品、化學(xué)品、建筑材料、天然植物材料等原料以及各種工藝制程中間品的快速水分定量
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