主要特征

可測量高達 92% 的高濃度磷酸

無需冷卻機制和冷卻時間。
無需冷卻循環(huán)管路中的高溫磷酸（140 至 170℃），可直接測量。

樣品使用PFA接觸，以降低污染風(fēng)險。

采用每半年一次的背景校正周期，有助于顯著減少機臺停機時間。

每3秒更新一次測量數(shù)據(jù)，有助于更快速使用濃度反饋進行控制

穩(wěn)定性

?  測量結(jié)果
樣品（實際藥液）測量 1 小時，展示出良好的穩(wěn)定性。

? 測量條件
測量周期：每3秒   測量時間：1 小時   移動平均數(shù)：16 次
樣品濃度（初始樣品濃度）H3PO4：92.2% H2O: 7.8%   樣品溫度：141°C

Product name	CHEMICAL SOLUTION MONITOR
Model	CS-620F
Measurement principle	Absorption spectroscopic method
Calculation principle	Temperature compensation type multivariate analysis
Sample	H3PO4/H2O
Measurable range Repeatability		Component	Measurable range (mass%)	Repeatability (mass%)	Analog output range(mass%)
	1st solution	H3PO4	85.00-92.00	+/-0.10	85.00-100.00
		H2O	8.0-15.0	+/-0.3	0.0-15.0
	? Repeatability is defined by maximum error from average (1 hour). ? In the case of low temperature measurement (140°C) and high temperature measurement (170°C) with the same chemical, there is possibility of discrepancy (Maximum +/- 0.30%).
Conditions of Measurement	1) Measurement interval: Approx. 3 sec. (minimum) 2) Moving average: 16 times
Connection fitting size	1 inch or 3/4 inch
Sample condition	Sample temperature: 140 to 170°C Atmospheric temperature, Chemical temperature fluctuation: within +/- 1°C (period of time : 1 hour) Input pressure: 0.2 MPa or less Pressure fluctuation: 0.02 MPa or less Flow rate: 1 to 30 L/min
Air(for operation and purge)	Connection port: 4 mm O.D. quick joint Pressure: 0.2 MPa ± 0.02 MPa
Power source	100 to 230 V AC (Single-Phase), 50/60 Hz
Power consumption	Approx.85 VA (Transient electric current at the time of the start is excluded)
Communication	Parallel I/O, RS-232C, Analog output
Dimension	(Monitor) 200 (W) × 308 (D) × 78 (H) mm (Lamp unit) 200 (W) × 262 (D) × 100 (H) mm (Sample cell) 240 (W) × 209 (D) × 205 (H) mm
Weight	(Monitor) Approx.3.6 kg (Lamp unit) Approx.2.8 kg (Sample cell) Approx.3.0 kg
Ambient temperature	(Monitor, Lamp unit) 20 to 30°C (Optical fiber, Sample cell) 20 to 100°C * Sudden temperature change should be avoided, within +/- 1°C/1hour
Ambient humidity	(Monitor, Lamp unit) 40 to 70% (Should be no dew condensation)
Slanting angle of installation	(Monitor, Lamp unit) Within +/-1 degree (Sample cell) Please install so that air bubbles do not stay up.
Optical fiber	Length: 5 m, Bend radius: R150 mm