ZN-1000 Intelligent Water quality sampler

Project

Indicator

Communication interface

Three RS232/RS485 digital interfaces (default one RS232);

8-channel 4-20mA analog input, 12-bit resolution;

Three channels of switch input;

2 active switch output channels, 24VDC/1A; "1 channel passive;

Mixing bucket

Two AB dual mixing boxes with a capacity of over 5000mL (made of corrosion-resistant polymer materials) are both located at the top inside the refrigerated box (overcoming the drawback of placing them at the bottom with incomplete drainage and causing cross-contamination of water samples). The two mixing boxes can achieve alternating mixing sampling and can set any sampling volume (1 to 5000ml) at any time interval (5 to 9999).

Characteristics of the sampling pump

Sampling volume error: ±5%

Sampling volume repeatability accuracy: ±5ml;

Vertical sampling height: 8.5 meters;

Proportional sampling volume error: ±5%;

Horizontal sampling distance: 80m, with an automatic sampling tube flushing function, and the flushing frequency can be set.

Pumping speed: 3700mL/min, inner diameter of the pump tube 10mm, high-strength medical silicone tube;

The pump body is made of reinforced engineering plastic, featuring a quick disassembly and assembly module combination. The motor shaft and pump pipe roller bracket are made of 304 stainless steel.

Sample supply flow rate: 1 to 5ml/s can be set.

Sample supply error: ±5%

Air tightness of the pipeline system: ≤ -0.085MPa;

Water storage bottle

Twenty-four 1000mL sample retention vials use direct water injection for sample injection to avoid cross-contamination of water samples caused by the flow guide plate. Each sample bottle can be automatically sealed and emptied. It features upper and lower sealing valves, ensuring no residue when water is discharged from the bottom. Each sample bottle can be independently removed for easy transportation and is convenient for cleaning and interchanging. This avoids cross-contamination of water samples caused by incomplete pumping and emptying, which could affect the authenticity and validity of the sample quality

Single sampling volume

The volume can be set arbitrarily from 1 to 5000mL, with an increment of 1ml

Sampling interval

Set freely from 5 to 9999 minutes, with an increment of 1 minute

Sampling method

Time ratio, flow ratio, flow tracking, flow start, external control mode

Sample retention method

Synchronous sample retention, over-limit sample retention (analog quantity, switch quantity, and digital quantity can all trigger sample retention

Sample supply function

After the sample mixing is completed, the sample supply pump can continuously provide the analyzer with mixed water samples

Remote control

Control instructions can be sent to the sampler through the monitoring platform, data acquisition instrument and industrial control computer to perform corresponding operations

Cleaning function

The automatic cleaning and mixing bucket and pipelines are carried out. The pipeline cleaning adopts the "blowing - suction - blowing" method to avoid cross-contamination of samples.

Reverse Control Online

When the sample mixing is completed and water samples are provided to the analyzer, notify the analyzer to start sample preparation. The three-channel reverse control communication interface can realize pulse reverse control sample supply and RS232/RS485 conversion network command reverse control sample supply. It can be matched with all mainstream analyzers in China as well as Hach, Shimadzu, E+H, Thermo Fisher and WTW, forming an ideal automatic mixed sample supply and over-standard sample retention system

Mix the bucket to prevent overflow

The mixing bucket is equipped with overflow and discharge pipelines to prevent water samples from overflowing and damaging the equipment due to sampling errors

Manually compare the sampling ports

It is equipped with a manual sampling port, which can realize the manual comparison function of mixed water samples

Monitoring and sample retention

It has the functions of parallel monitoring sample retention and comparative monitoring sample retention

Remote sample rejection

It is equipped with a remote platform for reverse control to empty the water sample in the sample bottle

Fixative

Add fixatives (1-4 options available)

Water samples are stored at a constant temperature

4℃±2℃ digital display

Power-off protection

After power failure and restart, the stored parameters and data will not be lost

Printing function

Printable, stored and recorded data

Electronic access control

The normally closed power-off is in a closed state to prevent non-staff from operating on the stored water samples

Software password lock

Prevent non-operating personnel from making mistakes or engaging in malicious operations

Historical record

Sampling records: 10,000;

Sample retention records: 5,000 items;

System log: 20,000 entries;

Power failure records: 5,000;

Door opening records: 5,000;

Fault records: 5,000;

Display screen

7-inch TFT high-definition color LCD touch screen, resolution 1024 * 600

Real-time clock

The internal integrated high-precision real-time clock has an annual error of 1 minute

Clock time control error

△1≦0.05% and △12≦3S

Insulation impedance

>20MΩ

Mean Time Between Failures (MTBF)

≥1440h/次

Rated power

185W

Overall dimensions

Weight

Subject to actual arrival

527mmX662mmX1330mm(Width X depth X height)

72kg

Optional

(Optional items do not change the external dimensions.)

1. Voice broadcast function;

2. Dynamic password;

3. An optional smart cloud management platform can be equipped to achieve remote cloud platform control. (Sampling can be remotely set from any computer or mobile phone with Internet access.)

4. Historical records can be exported to a USB flash drive for storage.