Portable Digital Soil NPK Fertility Test meter

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Price in USD:Details


Product Overview



Measuring range
0 - 1999 mg/Kg (mg/l)
Ø50.5 x 250 mm
±2% F.S.
Power supply
DC 9V((9V280 / 6F22 Ni-MH rechargeable battery)
Auto-switch-off in about 8 minutes
1 mg/Kg (mg/l)
Factory standard calibrated
Working temp
5-45 ° C(41-113 ° F)/ATC
LCD with back light;
Probe length
140 mm

1. Press the button OFF/ON switch, turn on the power, the instrument displays the state of zero.
2. First irrigate the soil to be measured with mineral water to a depth of at least 10cm.
3. Insert it vertically and clockwise into the 6-8cm moist soil for about 10 seconds.
4. Due to soil density, it must be measured in different soil environments.
5. At the end of the test, take out the instrument and wipe the surface of the probe clean for the next measurement.

Product Description

1. Take off the protective cap from metal probe.
2. Press OFF/ON button. Tester displays 0.
3. \u0081quick testing:Water the soil with distilled water before testing. Make sure the water can go 10 cm

deep the least. Best humidity is 70%-80%. Insert the metal probe into soil vertically and clockwisely, to
about 6-8 cm deep. Make sure the soil has thorough contact with metal probe. After about 6 seconds, the
tester will display the measured value.Tightness of soil will affect measuring result. Multiple tests at the
same and different points should be performed and take the average as final result.
‚accurate testing:Use a 200ml beaker container, mix dried soil with distilled water at the ,stir and make it into a mud form. Put
the metal probe into the mud about 6-8CM deep. About 6 seconds, the tester will display the measured value.
4. Wipe the metal probe with towel or tissue paper after each test. Make it clean and dry, till the display

shows 0.

1. Do not use the tester to measure liquid. Do not measure dry and hard soil. Do not leave the metal sensor

inthe wet soil long (take out immediately after each test) . Or it will damage the metal sensor and shorten the
lifespan. Wipe the metal sensor clean and dry after each test.
2. The tester is factory calibrated. No need for calibration for users.
3. If the display fades, jumps, power supply may be not enough. Replace the battery.
4. When store the tester, put the protective cap onto the metal probe. Avoid touching metal probe with

hands, avoid scratch with hard objects. Keep the tester in clean and dry environment. Keep it away from
5. 5. Measuring units: 1mg/Kg = 1mg/l =1ug/ml=1ppm

Packing & Delivery

Our Service
1. Your inquiry and e-mai will be replied within 12 hours.

2. If you need to develop product with your own specification, we have professional engineers to work it out.

3. Never leave customer alone, solve problems with customer together.

4. Customer first, quality first, service first!


Q1: Are you a factory or trading company?
A: We are a factory.

Q2: MOQ?
A: We don't have MOQ limit, you can order any quantity you want.
If you need scales with your specification, logo, packing, etc, please negotiate with us.

Q3:Can I have a sample for testing?
A: Actually we think samples are not very important.You can buy from anywhere.But we think our cargos will better then any others.
Samples will be 10%-20% higher than the cargo.

Q4:Can I add my logo on the machine?
A:Yes,OEM is available for us.
But you should send us the Trademark authorization letter.

Q5:How can i get the after-service?
A:We will send you the spare parts by free if the problems caused by us.
If it is the men-made problems,we also send the spare parts,but you should pay.
For our range hood motors it is lifelong maintenance.

Q6:Do you have inspection procedures for these machine?
A:100% self-inspection before packing

Q7: Delivery date?
A: 1-3 days for sample, 15-20 days for 1000pcs, 30-35days for 40HQ.

Q8: Payment Method?
A: L/C at sight, T/T, Western Union and Paypal are all available.
30% deposit T/T in advance, rest against the Shipping Doc.
100% T/T in advance for sample order.

Q9: Shipping?
A: a. International Experess: DHL/TNT/FEDEX/UPS (For sample)
b. By air (For sample orders.)
c. By sea (15-45days), port of loading: Shanghai
d. By domestic logistics to your forwarder. (2-3days)

Q10:Can I have a visit to your factory before the order?
A: Sure,welcome to visit our factory.
We can pick you up in the airport or train station. Hotel booking service is available

0.0086 s.