Question 1

What is your minimum order quantity (MOQ)? Can I order samples?

Accepted Answer

There is no minimum order quantity for our standard products. You can order a single unit for evaluation or purchase in bulk.

Question 2

Are you a manufacturer or a trading company?

Accepted Answer

We are a manufacturer specializing in the research, development, and production of measuring instruments since 2008. We offer a wide range of instruments for industrial testing applications.

Question 3

How do you ensure product quality? Can you provide certificates?

Accepted Answer

Our instruments undergo quality inspections before shipment. Inspection reports and third-party calibration or testing certificates may be available upon request. Please contact us to confirm availability and any additional fees.

Question 4

What is your warranty and after-sales service policy?

Accepted Answer

Our instruments come with a 12-month warranty. We provide technical support and offer paid repair services after the warranty period.

Question 5

What are your payment methods, delivery terms, and lead times?

Accepted Answer

We accept payments in USD and CNY via T/T or Western Union. Our standard delivery terms include EXW and DAP. Lead times depend on product availability and order quantity. Please contact us for details.

Question 6

Do you offer OEM or customized products?

Accepted Answer

Yes, we offer OEM and customization services. Please contact us with your specific requirements to discuss available options.

Question 7

Are import duties and taxes included in the price?

Accepted Answer

Import duties and taxes depend on the destination country's regulations and are generally not included in the product price. We can provide the HS code for reference. Please consult your local customs authority for applicable charges.

Question 8

What is the LS135 UV light meter?

Accepted Answer

The LS135 is a UV light meter with a 3.5 inch touch screen and 12 interchangeable digital probes covering UVA, UVB, UVC, UVCLED, UVALED and blue light. It displays a real time power curve, records power, max, min, average, uniformity and energy, and automatically recognises the connected probe.

Question 9

What are the key specifications of the LS135?

Accepted Answer

Twelve interchangeable probes, UVA at 315 to 400 nm, UVB at 280 to 315 nm, UVC at 230 to 280 nm, UVCLED at 230 to 315 nm, UVALED at 340 to 420 nm, record time up to 99999 s, 3.5 inch touch screen, uniformity calculation, and a host weight of about 277 g.

Question 10

Where is the LS135 commonly used?

Accepted Answer

It is used in laboratories and quality departments that test several UV bands with one instrument: curing lamp validation, germicidal lamp audit, UV ageing chamber verification, plant lighting and UV safety surveys. The touch screen and the curve display make it convenient for report work.

Question 11

How does the LS135 differ from the LS125?

Accepted Answer

Both use the same probe family. The LS135 adds a 3.5 inch touch screen, a real time power curve and a uniformity value, which help when the stability of a lamp or the spread across a lamp array has to be documented.

Question 12

How do I know the UV lamp is still strong enough to cure?

Accepted Answer

Measure the energy of one pass with a new lamp and record it as the baseline, then repeat the measurement on a fixed schedule. When energy falls below about 70 to 80 percent of the baseline, the lamp or the reflector should be replaced. The power curve function shows whether the output is stable during the pass or drops at the edges of the conveyor.

Question 13

How can I monitor UV output continuously on a production line?

Accepted Answer

Use an online LS129 UV digital probe. It has an RS485 interface with the MODBUS protocol, so it connects directly to a PLC, an HMI or a PC, refreshes every 200 ms and can raise an alarm when the reading drifts out of the window. The probe head is heat resistant and is mounted inside the curing station, so no operator has to enter the machine.

Question 14

How do I use the uniformity function?

Accepted Answer

Measure at several points across the lamp or the belt width with the same probe and distance, then let the instrument calculate the spread between the maximum and the minimum. A uniformity value above about 90 percent indicates an even exposure, which is what a good curing station should show.

Question 15

Which probes cover germicidal and curing work in one kit?

Accepted Answer

A UVC probe for 254 nm germicidal lamps, a UVA probe for 365 nm mercury curing and a UVALED probe for 395 nm LED curing cover most factory needs. A UVB probe is added for ageing chambers and plant lighting.

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