Fully Automatic Protein Analyzer Kjeldahl Nitrogen Determinator 0.1-240 mg N RSD ≤ 0.5% ChP 0731

ST-207CS Automatic Pharmaceutical Excise Protein Content Determinator

ST-207CS Automatic Pharmaceutical Excise Protein Content Determinator is a fully automated "nitrogen" (protein) analysis system developed based on the classic Kjetliner nitrogen determination technology and color method to determine the end point. Its method and manufacturing are in line with GB/T 33862-2017 Fully (Semi) Automatic Kjetliner Nitrogen Determinator and 2020 Chinese Pharmacopoeia 0731 Protein Content Determination Method Method I Kjetliner Nitrogen Determination Method and 0704 Nitrogen Determination Method III Nitrogen Determination Method.

It is widely used in food processing, feed production, chemical industry, soil and fertilizer, environmental monitoring, medicine, agriculture, scientific research and teaching and other fields in the determination of nitrogen and protein. It has the functions of automatically adding diluted water, adding alkali, adding receiving liquid, delayed distilling, measuring, calculating, printing, steam flow regulating, fault self checking, etc.

Product features

● The operating system adopts 7 inch color touch screen, which makes man-machine conversation easy to operate and learn

● Three level authority management, electronic record, electronic label and operation traceability inquiry system meet relevant certification requirements

● Automatic shutdown of the system after 60 minutes of unmanned operation, energy saving, safety and security

● Select R, G, B three color light source and three color sensor, with wide color range and high accuracy

● Automatic adjustment of R, G and B light intensity is applicable to analysis samples of different concentrations

● Three curves of R, G and B can be used to observe the sample change in the process of determination and provide help for analysis

● Open installation of the measuring cup is convenient for users to observe the measuring process and cleaning of the measuring cup

● Imported linear motor and injection needle tube form a "ram type Titration Pump" with high control precision and stability

● Titration rate from 0.05 ml/s -1.0 m/S Any setting

● distilling time from 10 seconds - -9990S free setting

● The instrument has a built in protein coefficient query table for users to consult, query and participate in the system calculation for convenience

● 16M data storage capacity can store 1 million sample data for reference, 5.7CM automatic paper cutting thermal printer

● Program (formula) management system set by 99 groups of users

● "NITROL" type samples can be measured by delayed analysis

● Metal material (304 stainless steel) Steam pot has stable performance, reliability and compressive capacity

● Electric leakage protection system to prevent electricity leakage and electric shock and ensure the safety of operators

● The alimentary canal absence system does not add reagents or heat to prevent injuries caused by reagents and steam

● Safety door is not closed, system does not work, 5mm thick transparent safety door ensures personal safety

● Automatic shutdown and alarm of water shortage system of steam system to prevent accidents

● Automatic shutdown and alarm of steam boiler over temperature system

Technical indicators

● Analysis range: 0.1-240 mg N

● Precision (RSD): ≤ 0.5%

● Recovery: 99-101% (± 1%)

● Titration accuracy: 0.2 µ L/step

● Titration speed: 0.05~1.0ml/S Any setting

● Distilling time: 10-9990S free setting

● Sample analysis time: 4-6min/(cooling water temperature 18 ℃)

● Titrate concentration range: 0.01-5 mol/L

● Titrate concentration input mode: manual input

● Titration cup volume: 300 ml

● Data storage capacity: 1 million sets of data

● Printer: 5.7CM thermal automatic paper cutting printer

● Communication interface: refrigeration circulating device

● Time delay analysis: reaction time 0-2 hours

● Delayed alkali dosing time: 0-999 seconds

● Automatic shutdown time: 60 minutes

● Working voltage: AC220 V 50 Hz

● Heating power: 2000W

● Overall dimension: 500 * 460 * 710mm

● Net Weight: 36kg

STZ-08C Digital Display Precision Digester

Product features:

● Heating body (module) is made of aluminum alloy by precision casting and processing, with acid and alkali resistance and long service life

● Continuous adjustable furnace hole temperature, fast temperature rise and wide application range

● Small difference in temperature between holes, good consistency of sample dissolution, high thermal efficiency, and favorable for sample sterilization

● Instrument panel and test tube rack are welded with brushed stainless steel plate, with certain anti-corrosion ability

● New generation of LCD temperature controller is adopted, with functions of timing shutdown, alarm, etc., and PID intelligent control technology, with high temperature control accuracy, small temperature impact range, and easy to learn

● Optional 30 segment temperature programmed function to meet the user's various experimental needs

Parameter index:

● Number of heating holes: 8

● Volume: 250 ml

● Design temperature: RT ～ 500 ℃

● Temperature control mode: liquid crystal display, intelligent PID control

● Temperature control accuracy: ± 1 ℃

● Heating rate: about 20 ℃/min

● Voltage: AC220 V, power: 2 Kw

● Current: 9A

● Heating element: Nickel chromium aluminum alloy heating plate

Shandong Shengtai Instrument Co., Ltd. provides the following quality assurance for the instruments sold to you:

----The instrument materials provided shall be brand new, in line with national quality standards and goods with manufacturer's certificate of conformity;

----The materials and main components provided comply with the technical requirements specified in the technical data;

----The warranty period of the whole equipment is one year (excluding normal wear of wearing parts).

----In case of any instrument quality problem within the warranty period, we shall be responsible for free maintenance. If the equipment fails due to the user's responsibility, we shall be responsible for the repair and reasonable charge.

----The equipment lifetime preferential supply spare parts, complete machine lifetime maintenance repair.

----After expiration of the warranty period, if the user needs maintenance and technical services, we will only charge the cost.

Packing list