Automatic Pesticide Residue Detector

I. Instrument Overview

The fully-automatic pesticide-residue detector is mainly used for quantitative analysis of pesticide-residue components in samples such as vegetables and fruits. The detection system includes project parameters, reagent positions, instrument calibration, settings, sample information, result query and initialization, with features of moderate analysis speed, no cross-contamination, low consumables and open reagents. It can be widely used in product-quality supervision, health and epidemic prevention, environmental protection, industry and commerce, vegetable wholesale markets, vegetable production bases, supermarkets, malls and pesticide-residue monitoring systems for residue detection in vegetables and fruits.

II. Basic Principle

The fully-automatic pesticide-residue detector is developed using the enzyme-inhibition principle and photoelectric colorimetry. Under certain conditions, organophosphorus and carbamate pesticides inhibit the normal function of cholinesterase, and the inhibition rate is positively correlated with pesticide concentration. When a certain amount of organophosphorus or carbamate pesticide is present in the sample extract, enzyme activity is inhibited and absorbance rises; from this change rate the pesticide residue in the sample can be determined.

III. Structure

Display screen: 7-inch touch screen.

Detection disk: 40-channel detection disk, cuvette capacity 500 uL, with a 37 C constant-temperature system.

Printer: thermal printer.

Sampling system: including motion motor and tubing.

IV. Features

Humanized interface, simple operation.

Automatic blank calibration.

Sample-needle liquid-level sensing to avoid cross-contamination.

Automatic cuvette cleaning for reuse.

V. Technical Parameters

VI. Software

Generates upload files: selected sample test results are uploaded to a save path; can connect to the local food-drug supervision platform for real-time data upload. The software backend has Internet expansion and large-screen display functions, facilitating government statistics and supervision.