What is the response time of the meter?

The meter comes with fast (1 second) or slow (2 seconds) response time feature.

Is there an analog output feature available?

Yes, the meter includes an analog output of 1mV per count for capturing readings to a recorder.

Can you give me a calibration certificate with this unit?

The LT300 version with NIST costs $289.00 in our valuetesters store. There is a two week lead time, as each unit needs to be calibrated manually.

What is the lowest fc reading this unit will take? Will it measure as low as 0.02 fc?

The unit provides reliable readings in increments of 0.05 fc.

What is the conversion formula for lux to PPFD for this unit?

Lux can be multiplied by the conversion factor to get PPFD. For example, full sunlight is 108,000 Lux or 2000 µmol m-2 s-1 (108,000 * 0.0185).

Can this meter properly read LED lights?

Yes, when taking LED readings, use the tungsten/daylight function as advised by EXTECH.

Yes, all EXTECH meters are calibrated from the factory. It is recommended to calibrate yearly for optimal performance.

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Extech

Extech HD450 Datalogging Heavy Duty Light Meter

Item #:1656209

4.7 rating

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PKR 113938

This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.

Availability : In Stock

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Accurately displays light level in terms of Fc or Lux over three ranges with analog output and fast/slow response feature

Product Details

Is Discontinued By Manufacturer
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Features & Benefits

Accurate display of light level in terms of Fc or Lux
Three ranges to choose from
Fast (1 second) or slow (2 seconds) response time
Analog output of 1mV per count
Includes analog output feature
Ideal for capturing readings to a recorder

Product Description

Overview

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Customer Questions & Answers

Question : What is the response time of the meter?
Answer : The meter comes with fast (1 second) or slow (2 seconds) response time feature.
Question : Is there an analog output feature available?
Answer : Yes, the meter includes an analog output of 1mV per count for capturing readings to a recorder.
Question : What measurement units are available?
Answer : The meter accurately displays light level in terms of Fc or Lux over three ranges.
Question : Can you give me a calibration certificate with this unit?
Answer : The LT300 version with NIST costs $289.00 in our valuetesters store. There is a two week lead time, as each unit needs to be calibrated manually.
Question : What is the lowest fc reading this unit will take? Will it measure as low as 0.02 fc?
Answer : The unit provides reliable readings in increments of 0.05 fc.
Question : What is the conversion formula for lux to PPFD for this unit?
Answer : Lux can be multiplied by the conversion factor to get PPFD. For example, full sunlight is 108,000 Lux or 2000 µmol m-2 s-1 (108,000 * 0.0185).
Question : Does it measure AC LED flicker?
Answer : No.
Question : Can this meter properly read LED lights?
Answer : Yes, when taking LED readings, use the tungsten/daylight function as advised by EXTECH.
Question : Is it calibrated?
Answer : Yes, all EXTECH meters are calibrated from the factory. It is recommended to calibrate yearly for optimal performance.

Customer Ratings

4.7 out of 5

197 customers ratings

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Extech HD450 Datalogging Heavy Duty Light Meter

The Extech 401025 Foot CandleLux Light Meter is a reliable and affordable device for measuring lighting levels. It has a resolution of 0.05 fc, which is consistent and accurate. However, it is not designed to measure LED lights. The meter comes with a calibration certificate and is calibrated from the factory, but it is recommended to calibrate it yearly for maximum performance. Overall, this is a good product for measuring illumination in various settings.

Pros

Reliable and affordable
Accurate resolution of 0.05 fc
Comes with calibration certificate

Cons

Not designed for LED lights

Important Information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Extech HD450 Datalogging Heavy Duty Light Meter

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