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在线硅酸根分析仪英文说明书
发布日期:2017-11-29      浏览次数:428

on-line Silicate measuring instrument

 

 

Instruction manual

 

  • Summary:

This online silicate measuring instrument, is a has the auto complete chemical reaction, photoelectric detection, display, transmission output and data storage function, the on-line automatic instrument of high precision; the instrument adopts the unique air mixing and photoelectric detection technology, which has the chemical reaction speed and high measuring accuracy and excellent characteristics; the instrument adopts color liquid crystal display, with rich colors, text, charts and curves, display of measurement results, system information and the Chinese menu operation interface; combined with the humanized design concept and high new technology, highlighting the advantages of the instrument and competitive products.

2、Product features:

a. the examination inferior limit is low, suit the Huo contents of power station water supply, saturated steam and superheated steam very much examination and control;

b. the online silicate measuring instrument use monochromatic cool light source table, the light source service life is long;

c. the instrument has the history song wire recording function, can store a data for 30 day;

d. the instrument have an automatic mark settle function, the cycle arbitrarily sets;(this function need to explain while ordering)

e. favor the measurement of much road water kind;(can choose 1-6 roads)

f. the instrument the addition tries an agent and marks kind, besides which, have no operation capacity, truely come to a to don't need a maintenance.

3、Technical parameters

a. Measuring range: The 0~200 ugs/l, 0~2000 ugs/l can choose

b. Accuracy:±1%F.S

c. Repeatability:±1%F.S

d. Stability:≤±1% F.S / 24 h

e. Responser time:About 12minutes

f. Message Cycle:10minutes / channel

g. Sample condition:flow:>100 ml / min

temperature:10~45℃

pressure:10 kPa ~ 100 kPa

h. Environment requests:temperature :5~45℃

                      humidity:<85% RH

i. Chemicals Dosage:3 kinds   3L/kind/month

j. Current Output:4~20mA or 0~10mA can choose

k. Alarm Output:Relay(220V/1A)

l. Power supply:AC220V±10%  50HZ

m. Power Dissipation: ≈50VA

n. Outline Size:720mm(h)×460mm(w)×300mm(d)

o. Install Size::665mm×405mm

4、Instrument structure and operate priniple

aChemistry priniple

Under the certain acidity condition, Silicate and molybdate reaction of silicon molybdenum yellow, Then the reductant into silicon molybdenum blue, then determined by spectrophotometric method.

Phosphate under these conditions also have similar reaction, can cause interference to measurement by interference, adding oxalic acid phosphate.

The color product absorption maximum at about 810nm, the selection of instruments were measured 810nm refrigeration source.

b.Analysis of flow path

The measurement adopts quantitative sampling, color reaction, colorimetric analysis, flow path as shown below.

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