微波水分儀
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微波水分儀
詳細信息 技術參數(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
微波水分儀是通過物品內部水分子的雙極性和外源微波產生共振來定量水分,這種方法突破了現(xiàn)有紅外線水分測定法對揮發(fā)性物質的干擾實現(xiàn)了對水的選擇性,從而實現(xiàn)真正的水分定量(紅外線水分測定法的“水分“除了物質內部物理態(tài)存在的水以外還包括所有在紅外線作用下?lián)]發(fā)物質產生的假水分),測量時間更短(只需1秒鐘),并且對樣品不產生破壞。適用于食品、煙草、藥品、化學品、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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