Cd

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Principle:	Dithizone spectrophotometry
Range:	0~2mg/L
Detection limit :	0.01mg/L
Resolution :	0.001mg/L
Permissible error:	10% FS
Repeatability :	5%FS

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Product Description

Principle

Features

Parameters

Principle:

This product adopts dithizone spectrophotometry. After the water sample and the regulator are mixed, cadmium reacts with the indicator in an alkaline environment and in the presence of an indicator to generate a colored complex. The monitor detects the change in color and converts the change into a cadmium value for output.

Features:

touch panel
Multi range, automatic switching
Level 3 operation permissions
State self diagnosis function
Abnormal or power outage data protection
Built in multiple communication protocols
Scheduled testing and automatic verification
Power off and restart, automatic emptying, cleaning, and reset
Running log records, process and operation records can be checked
remote monitoring, remote operation instructions
Timed testing, automatic verification

Parameters:

Measure factor	Cd
Principle	Dithizone spectrophotometry
Range	0~2mg/L (switchable and expandable)
Detection limit	0.01mg/L
Resolution	0.001mg/L
Permissible error	10% FS
Repeatability	5%FS
Zero drift	5%FS
Range drift	5%FS
Measuring cycle	Min. 30 minutes; Digestion time: 5~60 minutes (adjustable)
Sampling period	Timing analysis, interval analysis, remote control
Calibration cycle	Automatic calibration/manual calibration
Maintenance cycle	1 month (about 1 hour each time)
Reagent consumption	About RMB 0.5 per sample
Data storage	More than 1 year of data storage
Input	Switch
Output	1 RS232, 1 RS485, 2 4-20mA
Power supply	AC(220~240)
Working current	5A
Size	LWD: 1500500450mm