ZK-03AMulti functional soil nutrient rapid testing instrument

Brand: Zhongkawei He

model:ZK-03A
characteristic:

1、 Multi functional and complete testing items:
Soil ammonium nitrogen, nitrate nitrogen, alkali hydrolyzed nitrogen, available phosphorus, available potassium, organic matter, total nitrogen, total phosphorus, total potassiumpH12 items including value, salt content, moisture content, and alkali (water) hydrolyzed nitrogen; Trace elements such as calcium, magnesium, sulfur, iron, manganese, boron, zinc, copper, chlorine, silicon, molybdenum, etc.
Nitrogen, phosphorus, and potassium in elemental fertilizers; Ammonium nitrogen, nitrate nitrogen, phosphorus, potassium, urea, total nitrogen, total phosphorus, and total potassium in compound (mixed) Hefei and urea;

Available nitrogen, available phosphorus, available potassium, total nitrogen, total phosphorus, total potassium, organic matter, humic acid, pH (test paper method) in organic fertilizers.

2、 Technical indicators:
1.Power supply: AC 220±22Vdirect-current7V~9V(The instrument is equipped with a built-in lithium battery)
2.Power: ≤5W
3.Range and Resolution:0.001-9999
4.Repetitive error: ≤0.3%（0.003Potassium dichromate solution
5.Instrument stability: Drift less than three minutes0.2%（0.002Transmittance measurement).
6.Linear error: ≤1%（0.01Copper sulfate detection
7.Sensitivity:Red light ≥4.5×10^-5，Blue light ≥3.17×10^-3，Green light ≥2.35×10^-3，Orange light ≥2.13×10^-3
8.wavelength rangeRed light:680±2nm； Blue light:420±2nm； Green light:510±2nm； Orange light:590±4nm
9.PHValue (pH):(1)Test scope:1～14 （2）Accuracy:0.1 (3)Error: ±0.1(Extended)
10.Salt content (conductivity):(1)Test scope:0.01%～1.00% (2)Relative error: ±5%(Extended)
11.Soil moisture technical parameters Water unit:%（g／100g）； Moisture content testing range:0-100﹪； Error less than0.5%
12.Quick acting in soilN、P、KSimultaneous extraction and determination of three nutrients at once, scientific guidance on fertilization amount
13.Nitrogen in fertilizers（N）Phosphorus（P）Potassium（K）Simultaneous, rapid, and accurate detection of nutrients
14.Test speed: Test one soil sample（N、P、K）≤30Minutes (including pre-processing time, no need for users to provide any attachments)
15.Simultaneously testing8A soil sample ≤1Hours (including pre-processing time)
3、 Test speed:
Measure a soil sample（N、P、K）≤30Detect three soil samples simultaneously in minutes（N、P、K）≤40minute;
Test a fertilizer sample（N、P、K）≤50Minute, simultaneously testing three fertilizer samples（N、P、K）≤1.5Hour.
4、 Instrument features:
Easy to carry, sturdy and durable, equipped with testing methods and finished pharmaceuticals.
Microcomputer control, digital circuit, programmed design, LCD display, AC/DC dual-use, can be used for field flow testing, reducing operator errors and labor intensity.
resolving power:0.001.
Using high brightnessLEDLight source and dual wheel filter processing technology ensure stable wavelength of the light source. Silicon semiconductor serves as a signal receiving system with a long lifespan10Ten thousand hour level. The light source is stable, with good reproducibility and high accuracy.
The colorimetric groove adopts a single channel design, with no mechanical displacement or wear. The optical path testing is well positioned to ensure the accuracy of the measurement results.
5、 After sales service:
The entire instrument comes with a one-year warranty (the host comes with a five-year warranty), lifetime free maintenance services, free shipping of instruments, and free training.
Lifetime free agricultural related technical support such as soil and fertilizer!

6、 Configuration List(An aluminum alloy box):

Technical parameters of soil fertilizer analyzer (ZK)-03AType)

Brand: Zhongkawei He

model:ZK-03A

Configuration List(An aluminum alloy box):

1 main unit (with built-in lithium battery), 4 colorimetric dishes, 1 electronic balance (200g/0.01g), 1 power adapter, 12 straws (3mL), 1 washing bottle, 1 sample spoon set, 1 qualitative filter paper box, 1 small aluminum box, 1 measuring cylinder (50mL), 2 extraction bottles,18 reaction tubes, 1 set of soil nitrogen, phosphorus, and potassium reagents, 1 set of instruction manual, certificate of conformity, and warranty card.