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 LS125 UV light meter?

Accepted Answer

The LS125 is a UV light meter host with 12 interchangeable digital probes covering UVA, UVB, UVC, UVCLED, UVALED and blue light. It automatically recognises the connected probe and adjusts the display, measures power and energy, and records the real time, maximum, minimum and average values.

Question 9

What are the key specifications of the LS125?

Accepted Answer

Twelve interchangeable probes with aviation plug connectors, 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 calibrated at 395 nm, record time up to 99999 s, host weight about 194 g, and a statistics display of power, max, min, average and energy.

Question 10

Where is the LS125 commonly used?

Accepted Answer

It is used for UV curing, germicidal lamp checks, reptile and plant lighting, UV ageing test chambers, welding arc measurement and photo therapy. Buying one host and several probes is the most economical way to cover more than one UV band.

Question 11

How does the LS125 differ from the LS135?

Accepted Answer

Both accept the same family of probes. The LS135 adds a 3.5 inch touch screen, a real time power curve and a uniformity calculation. The LS125 has a simpler keypad display but the same measurement capability.

Question 12

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 13

Why must the UV meter match the spectrum of the light source?

Accepted Answer

A UV meter is calibrated for a defined spectral response. A high pressure mercury lamp emits mainly at 365nm, while a UV LED may work at 365, 385, 395 or 405nm. If the source spectrum and the instrument response do not match, part of the radiation is weighted wrongly and the reading is not accurate. Always select the meter version made for your lamp type.

Question 14

How do I change the probe on the LS125?

Accepted Answer

Push the connector straight into the socket and turn the locking ring until it clicks; the instrument reads the probe identity and sets the range and units automatically. Never twist the cable to remove a probe, and keep the connector dry and free of dust.

Question 15

How do I look after the interchangeable probes?

Accepted Answer

Store each probe in its own carrying case, avoid bending the cable at the connector, and clean the optical window with a dry swab. A probe is calibrated as a pair with the host, so record the serial numbers and keep them together.

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Uvaled Spectral Response

UVB Spectral Response

UVC Spectral Response

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