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high-tech light meter cost hp881b manufacturers for electronic

Delivering the quality product has always been our chief concern. With sturdy housing, it has a long service life

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Company Advantages
1. HoldPeak is innovatively designed by our experienced designers. The product features a wide measuring range
2. This product is especially useful for fields which require high pure water quality such as cell culture, protein purification, and molecular biology. The product is shockproof due to its sturdy housing
3. Delivering the quality product has always been our chief concern. With sturdy housing, it has a long service life
4. The product has been rigorously tested on various aspects and its quality has been recognized by professional QC team. This product has an auto low power mode for energy saving

Your purchase of this DIGITAL LUX METER marks a step forward for you into the field of precision measurements. Although this LUX meter is a complex and delicate instruments, it’s ruggedness will allow many years of use if proper operating techniques are developed. Please read the following instructions carefully and always keep this manual within easy reach.

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Model Number	HP-881D
Display	Maximum reading value display 3999
Ranges	1-400,000Lux.;Resolution: 0.1Lux/Fc
Accuracy	≤10,000Lux: ±4%rdg±0.5%f.s; ≥10,000Lux:±5%+10digits(Calibrated to standard incandescent lamp at color temperature 2856K)
Repeatability	±2%; Temperature:±1℃
Photo detector	one silicon photo diode with filter
Operation temperature-humidity	-0℃ to 40℃(32℉-104℉) 0～70%Rh
Storage temperature-humidity	-10℃ to 50℃(14℉-122℉) 0～80%Rh
Dimension	174×51×32mm
Weight	approx. 188 g (including battery)
Power Supply	two1.5V battery
Consumption current approx	3mA
Accessories	Instruction-manual

Recommended illuninaton

OFFICE	Conference, reception room	200～750Lux
	Clerical work	700～1,500Lux
	Typing drafting	1,000～2,000Lux
FACTORY	Packing work, entrance passage	150～300Lux
	Visual work at production line	300～750Lux
	Inspection work	750～1,500Lux
	Electronic parts assembly line	1,500～3,000Lux
HOTEL	Public room, cloakroom	100～200Lux
HOTEL	Reception, cashier	220～1,000Lux
STORE	Indoors stairs corridor	150～200Lux
	Show window, packing table	750～1,500
	Forefront of show window	1,500～3,000
HOSPITAL	Sickroom, warehouse	100～200Lux
	Medical examination room	300～750Lux
	Operation room, emergency treatment	750～1,500Lux
SCHOOL	Auditorium, indoor gymnasium	100～300Lux
	Class room	200～750Lux
	Laboratory, library, drafting room	500～1,500Lux

Product Features

high-tech light meter cost hp881b manufacturers for electronic-2

FEATURES

1) Precise and easy readout.
2) High accuracy in measuring.
3) LSI-circuit use provides high reliability and durability.
4) Permits a wide range of light measurements.
5) LOW BATTERY indicator.
6) Adjusting zero automatically and excellent operation.
7) LCD display provides low power consumption and clearly read out evening high ambient light.
8) Separate LIGHT SENSOR allows user take measurements at an optimum position.

PANEL DESCRIPTIONS

1.Photo detector
2.LCD display
3.Celsius and Fahrenheit temperature conversion
4.Range select button .Long press to exit RANGE state and enters the AUTO state
5.Short press can record data, press once time will record a data.
6.MAX and MIN selection button.
7.Back Light Button Switch
8.Press the “REL” key, the meter enters relative measuring mode, “REL” is displayed on the LCD and the present reading becomes the reference value and displayed on the display
9.Select FC units. When reading data state, Press the look down keys
10.The switch button, press the first boot, twice will shutdown.
11.Select the Lux units.
HOLD key: Press the “HOLD” key to lock display
12.value, and the “DH” sign will appear on the display, press it again to exit

high-tech light meter cost hp881b manufacturers for electronic-3

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OPERATION INSTRUCTIONS

1.Connect the battery, and then press the button to “ON”
2.Remove the photo detector cap and face it to light source in a horizontal position
3.Read the test value from the LCD display
4.Over range: if the instrument only display one “OL” in the LCD, the input signal is too strong, and a higher range should be selected
5.Data-Hold mode: press the HOLD key to select Hold model. When HOLD mode is selected, the LUX meter stops all further measurements and the test value with hold on the LCD. Press the button “HOLD” to the “ON”, the hold value will be cancelled
6.When the measurement is completed, replace the photo detector cap and turn the power selector OFF
7.When testing on strong light source(over 100k lux),the measure head need to close to light source slowly for measure .if can't test,move measure head away and test it again

BATTERY CHECK-UP & REPLACEMENT

1.It is necessary to replace another one 9V battery, when left corner of LCD display show“”
2.After turning off the meter, press the battery cover and push in the direction of the arrow to open
3.Disconnect the batter from the instrument and replace it with a standard 9-volt transistor battery and go for the cover.

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Replacement

1) The white plastic disc on the top of the detector should be cleaned with a damp cloth when necessary
2) Do not store the instrument where temperature or humidity is excessively high
3) The reference level, as marker on the face plate, is the tiof thep photo detector globe
4) he calibration interval for the photo detector will vary according to operational conditions, but generally the sensitivity decreases in direct proportion to the product of luminous intensity by the operational time. In order to maintain the basic accuracy of the instrument, periodic calibration is recommended

Product certificate

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Company Features
1. Zhuhai JiDa Huapu Instrument Co.,Ltd is a well-known manufacturer of light meter cost based in China. Our reputation proves our manufacturing capability.
2. Zhuhai JiDa Huapu Instrument Co.,Ltd has a group of high-quality technical team.
3. We continuously optimize our products as well as our processes. The objective is to always remain a modern, dynamic and value-adding partner.

o******a

The raw materials of HoldPeak are sourced and handled in a strict manner. They have to be cleansed, measured, moisture removed, and tested for harmful substances to make sure they are in line with standards for furniture pieces. The cutting performed by the product is very smooth

r******x

HoldPeak is designed with a range of protection systems. It is built with overpressure, overload, electric circuits, and loss of voltage protection. The product can be produced in large quantities in a short time

z******s

HoldPeak is expertly manufactured. Professionals that have real training and expertise in building construction have participated in its design and construction. Its key parts are all purchased from Taiwan and Japan brand, making the product stable in performance

t******t

Fine workmanship has been adopted during the production of HoldPeak . It is fabricated under mold shaping or compression molding to achieve robust and stiff mechanical structure. Its parts are installed firmly, which will prevent the deflection or vibration from happening

s******z

HoldPeak is inspected by a quality control inspector. The aim is to ensure that each product meets the requirements of comfort and durability. The product has a high load-bearing capacity

x******i

All of our can be designed and customized, including pattern, logo and so on. Thanks to the craftsmanship, its size will not change once it is turned on again

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