Dr.Meter 1330 B V Digital Illuminance/Light Meter, 0 200,000 Lux Luxmeter

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Dr.meter

Dr.Meter 1330 B V Digital Illuminance/Light Meter, 0 200,000 Lux Luxmeter

Regular price: €67,00
Sale price: €67,00
Regular price: ~~€110,00~~
Unit price: per

Save 39% (€43,00)

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14 Days Returns

Description

4-Range: 0/200/2,000/20,000/200,000 Lux
High Accuracy and rapid response, Auto Zeroing
Over-range indication, Unit and Sign display for easy reading
Data Hold & Peak-Data hold switches, Low power consumption, Short rise and fall time
1 Year Warranty.

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Customer Reviews

Good, economical meter, in need of better instructionsI was delighted to find an illuminance meter at a very reasonable price, since there are several of what I would call comparable brands that sell for several times the price of this Dr. Meter. My only complaint after unpacking and activating the meter is that the user's manual seems to have been written without taking note of the meter itself; in particular, battery installation is said to involve removal of "the screw" on the back of the meter. That's it. Well, there is only one screw, and it is the one that fastens the stand to the back of the meter. Being a cautious person, unwilling to start pulling on prying on pieces that might break, it took me a while to discover that the cushy plastic surround on the meter can be slipped off, thus freeing the battery compartment. The surround also holds the battery in, once it is installed. There are two tiny screws, supplied in a small plastic bag, which don't seem necessary as yet. OK, this is picky, but this is a tool for picky people. 4Light fanatic. I should have gotten this a long time ago!I have this huge fascination about lights. Especially automotive lighting. I'm not a pro like retrofitting headlights and stuff. but i like to buy headlight bulbs, light bulbs in general. I remember back when the only way you can find "LED" light bulbs, and find unique designs and styles were on ebay. I should have had this so i could compare the light output on each LED/HID bulbs i purchased. The reason why i bought it this time is because i upgraded my headlights on my 2012 toyota camry to HIDs, they are heck alot brighter than the factory halogen bulbs. I currently have LED lightbulbs in my high beam/DRL. but after reading that LED causes a glare and doesn't shine properly in reflector housings. I've decided to go back to halogens bulbs. I bought 3 different types of bulbs, 3 from philips, just different models, and i wanted to compare the light output of the three.I can't say the accuracy of this device, but as long as i can measure the difference between the 3 bulbs, i think its good enough for me. :) now i must wait until tuesday to get the third bulb to conduct the test :) 5A GOOD BUY FOR NON-COMMERCIAL USESMeter was easy to order and arrived exactly as scheduled. Wasn't sure what to expect after reading some of the negative reviews here on Amazon. Product arrived in perfect condition. In part this was due to the fact that the meter is snugly packed in a nice, plastic box for transportation and storage. There is a substantial "bumper" that surrounds the meter, further protecting it. Yes, the bumper had to be peeled off to gain access to the battery compartment. After unwrapping the battery and inserting it, the compartment door has to be screwed on with one of the two screws provided for doing so. Have been busy checking light levels both inside and outside, looking for a place to put my glass topped Sodynee watch storage box with my solar watches. This meter seems to be substantially constructed, easy to use and to read. Thus far, the readings are very repeatable and appear quite appropriate. My only concern is that the wire connecting the sensor to the meter seems a little light duty and has no rubber grommets at either end to protect it from the wear and tear that would be likely from prolonged and/or repeated use. However it is not priced like more heavy duty units, either. Appears perfect for me and my anticipated applications. 5Worth the Price and Does the JobI use this to measure light level in various growing areas at various times. It is a simple device and I use lumens as the unit of measurement. It responds well and gives reasonably consistent light levels. I have not attempted to determine accuracy since in general the light levels I measure do not have to be that accurate.This is a simple device using a semiconductor sensor for determining light levels. It can be set at various scales depending on the light levels. I usually use X100 scale for direct outside sun levels and usually have measures of 700 to 1100 for direct sun light. It will drop to 20-50 in heavy shade as expected.It would be nice to have a device which could record continuously and perhaps have a wireless connection which can be recorded. However that would significantly increase the cost. For the price this is exceptionally good. 5Pretty much your typical generic meterPretty much your typical generic meter, styled to look like a Fluke or Extech but at a tenth of the cost. It matches my VC99 multimeter!I do some architectural lighting design work, and this was handier than using a finicky iPhone app for quick and dirty measurements, albeit less portable. Compared to my colleague's older Extech meter, its pretty much spot-on. Fast readout and response time, and the corded sensor is more versatile than similar inexpensive units attached to the meter body. Readout is in Lux and FC, with peaking and hold. All I can ask for.The downsides:1. It smells like Harbor Freight. If you've been there, you know what I mean, but all my tools smell like that these days.2. the meter body is HUGE for what it does. Like I said, it looks like a Fluke, and is about the same size. Dr. Meter (great name, by the way) has a smaller model which another colleague owns, and I've yet to figure out the functional difference.3. No auto-ranging or backlight. Not really a big deal, but its a convenience most multimeters have these days. there's a couple of models here on Amazon with color backlit screens, but you lose the remote sensor. So take your pick. 5I can say from self experiment that guessing what heights ...I can say from self experiment that guessing what heights your grow light's should be during vital growth stages, or even using the charts/diagrams given with grow light's (LED's) is still guessing. Charts help some, yes but by far you should invest a little money, do it the correct way, and using this item, you will be shocked at the difference it makes at harvest.Michael L. asked"Can this measure very faint light in the dark - we need to measure the bioluminescence of a mushroom for a science experiment in the dark."Just did a few test in compete darkness with a single LED flash light, then just a simple half dead key chain light, I also have a single Christmas light I use to the small currents in little projects, even using a lighter and I can only say that YES this meter is extremely sensitive to light if any kind. From the sounds of wet you doing, it well be perfect. Hope this helps.I also want to give a new update since I've had plenty of time to use this. For anyone using mylar grow tents for indoor grows with LED grow light's ( not sure about HPS or T5 or or lights, only referring to LED grow light's, ALL flap door MUST BE CLOSED when measuring your light due to the mylar that reflects the LED spectrum towards the center. Very sensitive and the best meter I've used so far. 5PERFECT! --- See within: LED lighting vs. LED grow lights.This meter is excellent! It works perfectly and is superb. I purchased in 2017. After reading reviews from 2012 the supplier has upgraded based on feedback. Kudos!!!(Sensor cover and case clasps are two examples of fixes.)There is a lot of back and forth chatter in reviews and questions about whether this works for LEDs. They are missing the misunderstanding introduced by shorthand in the original question asked by some random closet grower.The answer to that: No, this is not a good tool to compare plant available light output between a new blue/red LED and an old HPS or MH full spectrum. At that task it will certainly fail. As it and any $5000 meter of this kind should. This is the wrong instrument.There is nothing special about LED light versus other types of light. It is all about the spectral response of the sensor head. The manual gives that response. I will try to add as a photo later.Overall a great sensor. Not only did it help me determine approximate light output if my home lettuce grow (yes, lettuce, not the other green) as one step to mitigate tip burn, but it also helped me identify some major problems with lighting setups at work. 5This is a Digital Light Meter not a photographic exposure meterI find this inexpensive meter extremely useful for assessing lighting conditions at venues where I am taking photographs and videos. That said this is not a photographic exposure or flash meter and unfortunately if you are purchasing it as an inexpensive substitute to use for that purpose you will be disappointed.This meter gives you a simple to understand Lux reading corresponding to the brightness in the room. Our eyes are amazing self adjusting optical miracles... they compensate for conditions so much that we often have a difficult time judging just how light or dark conditions really are.Modern cameras and video cameras have sophisticated reflective light meters built into them and if used in an auto or semi-auto mode they will adjust the images we take for overall brightness. They will also predict whether the exposure will be under or over-exposed in manual as compared to a photo that is an even 18% gray. Very few people use traditional exposure meters these days. The problem for most is that if they try to take pictures or video in dimly lit areas without a flash or other external light source the camera (or you) can try to compensate with very slow shudder speeds, very high iso settings, along with the widest aperture your lens has available. It is decision making time as to how you are going to get your best results. Because of improved camera sensor technology this is less important these days than it once was, but this is still a recipe for pictures and videos that have poor image quality.I use the readings that I get from this light meter to help decide how to set up my equipment and/or adjust the lighting for the most satisfactory video of photo taking environment. One could accomplish the same thing by taking sample pictures and videos (which you most the time one has to do also), but I find the meter to be a time saver for initial decision making. I have a much more sophisticated and much more expensive photographic exposure meter. It is more complicated to set up and is overkill for this purpose most of the time, but this is the type of light meter that most photographers are looking for.This meter does only one thing... it measures the brightness of visible light and gives back a number representing either lux or foot candles. There are free android calculators and also charts that one can quickly convert these numbers into exposure settings, but this is not what this meter was designed to do. For novelty I have checked whether the readings are useful for this purpose and have had mixed results as compared to our actual photographic exposure meter. Since this is not what the meter was designed for you have to make adjustments to the results you get and the reflective meter built into the camera is more accurate. A modern photographic exposure meter has many more options in the way that light can be measured and gives it much more flexibility. The one I have has inputs and attachments for spot metering and flash metering. Of course it also automatically calculates recommended exposure settings.In my opinion this is a great meter and for me it has been a big time saver for assessing and adjusting the lighting conditions at an event where one I have set up video or photographic equipment. But... this is NOT a photographic exposure meter. While both are built up from similar sensors they are not the same tool. This cannot accomplish many of the tasks one purchases an exposure meter for such as setting up flash equipment. If you are trying to fine tune the results you get from your camera this is not going to help much if at all. I hope that is a helpful explanation and also explains why people have felt misled and others have said it is not suitable for photography. 5About right for the money.This is one of several low-end light meters available at Amazon. It's what you might expect for the price. I tested it against an old analog light meter I have, and the readings are very similar. The photoreceptor sits at the bottom of a bowl-shaped recess, and of course readings are strongly dependent on the angular relationship between the receptor and the light source. The display offers four digits, with the left-hand digit always 1. Thus, you manually set the range from 0-19.9 footcandles, or 0-199 footcandles, and so on. When turning the unit on, the display defaults to lux. You manually choose fc.The orange wrapper around the unit is actually a removable case, much like one would use on an iPhone. The unit uses a 9-volt battery, included. It comes with a nice black plastic suitcase that's about 7x10x2 inches.I use this for architecture, measuring actual footcandles in rooms, and for that purpose this unit is adequate. My big question, which we will see, is how long the thing will last, and for how long it will be accurate. 3Think LUX not lumens! Great tool!Have been measuring LED, CFL and incandescent bulbs to see what REALLY is 'going on' with bulb claims and LUX power. You can convert LUX power into lumens, but forget it, just re-think your brain into LUX and you'll be much happier. Lumen is the total amount of power, but the bulb expends that light in an arc, not a straight line, so although lumens is the overall power, LUX is the light power at a specific location. Just get ready to think LUX for your spreadsheet, and be happy. So I have measured LUX of several LED bulbs and discovered they all seem to lose power after a few minutes -- some, more than others. It was interesting to see the meter drop after a few minutes, but your eye doesn't detect that loss. Some LEDs lost 6 or so LUX, some lost 20! Great little tool. 5

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Dr.Meter 1330 B V Digital Illuminance/Light Meter, 0 200,000 Lux Luxmeter

Description

Shipping and Returns

Customer Reviews

Dr.Meter 1330 B V Digital Illuminance/Light Meter, 0 200,000 Lux Luxmeter

Categories

Headsets

Computers

Laptops

Mobile menu

Dr.Meter 1330 B V Digital Illuminance/Light Meter, 0 200,000 Lux Luxmeter

Description

Shipping and Returns

Customer Reviews

Dr.Meter 1330 B V Digital Illuminance/Light Meter, 0 200,000 Lux Luxmeter

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