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Help CenterWholesale 0-1999us/cm LH-C661 Conductivity / EC Range
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Digital Pen type Conductivity Meter LH-C661
• Waterproof design
• Electrode upgraded with temperature sensor
• Automatic Temperature Compensation
• Easy one point calibration
• HOLD function
• LCD backlight
• Low battery alarm
1. Introduction
When the original economic pen type conductivity meter was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The LH-C661 is easy to use, in combination with its affordability made it the standard in EC and TDS measurement.
The electrode of LH-C661 is a combination of conductivity electrode and temperature sensor, make it possible to auto compensate the error caused by temperature changes during the measuring.
High resolution 1µs/cm meets many requirements in many fields.
2. Technical data
Measuring range |
0~1999µs/cm |
Resolution |
1µs/cm |
Accuracy |
±2%F·S |
Calibration |
1 point |
ATC |
0~50°C |
Power |
4×1.5V lithium batteries |
Dimension |
168×33×20mm |
Weight |
65g |
3. Order information
The LH-C661 is supplied with screwdriver, protective box, operation manual in English and lithium batteries inside the meter.
What is EC?
Electrical Conductivity (EC) is defined by the ability of a solution to conduct an electrical current.
What is TDS?
Total Dissolved Solids (TDS) is defined as the amount of solids dissolved in a solution.
How does an EC/TDS meter work?
Two electrodes with an applied AC voltage are placed in the solution. This creates a current dependent upon the conductive nature of the solution. The meter reads this current and displays in either conductivity (EC) or ppm (TDS).
How is TDS measured?
By means of a conductivity meter. The conductivity is measured and the TDS is calculated by a fixed mathematical formula in the meter.
What is the difference between microSiemens and milliSiemens?
Both are units of conductivity. 1000 microSiemens (µS) = 1 milliSiemen (mS).
If I have a TDS meter with a 0.5 conversion factor how do I convert to the correct 0.7 value?
Multiply by 1.4; ex: 500 x 1.4 = 700.
Q: How do I pay for my purchase?
A: we accept the following payment methods: Paypay; T/T; western union. We will send a Proforma Invoice to you.
Q: How much does it cost to ship to my country?
A: We use expresses like DHL, EMS, Fedex, and so on. We provide a big discount of shipping fee.
Q: Is there any tracking Number for my item?
A: Yes, we ship every order with their Tracking Number, and you can view the shipment status on the corresponding website.
Q: Does this product come with retail package?
A: We have declared the packing detail on the description of each product, please check it, thank you!
Q: I am a local dealer, I would like to buy many pieces of your item, what’s the wholesale price?
A: Hi, thanks for your inquiry, if you would like to buy large quantity, please send email to us, we will give you the best price, thanks!
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