FP640 Flame Photometer

タイトルまたは説明

Introduction
The product is deigned in accordance with the basic principles of the emission spectrum. Widely used in agricultural fertilizers, soil analysis, concrete analysis, industry analysis and determination of silicic acid, medical and health research clinical testing and pathology research, includes the detection function of lithium salt taken by mental patients .
 
Product Features
1. K, Na can be tested simultaneously , it also can test the lithium element.
2. LCD display, digital direct reading, accuracy higher than ***0A Flame Photometer.
3. With optional size of the flame function and automatic flame-out protection device.
4. Pre-selection of flame sizes;
5.A flameout protection device;
6. Gas: Liquefied petroleum gas.
 
Main technical index
Stability: *5 seconds of successive feeding with standard solution, instrument reading indication excursion ≤ 3%
Test once every minute, a total of 6 times, theinstrument reading indication excursion: ≤ *5%.
Repeatability: Conduct 7 consecutive independent tests for one standard solution, the relative standard deviation: ≤ 3%.
Linear Error:   K: ≤ 0.**5mmol/L(0.***0～0.***0)mmol/L;
                        Na: ≤ 0.*3mmol/L(0.***0～0.**0)mmol/L.
Detection Limit: K: Detection limit ≤ 0.**4mmol/L;
                           Na: detection limit ≤ 0.**8mmol/L
Response time:
 
Normal working conditions
1. Ambient temperature: *0 °C ~ *5 °C
2. Relative humidity: ≤ *5%
3.The instrument should be placed horizontally on table with no vibration, avoid direct exposuring to bright light, keep away from  strong electromagnetic interference, no strong airstream. 
4.Power supply: **0 ± *2V, frequency: *0HZ ± 1 HZ, with good ground connection.
5. Rated power: *0W