The light meters are designed with separate light sensor probe which is composed by silicon photodiode with spectral response filter and cosine correction element. They provide high precision measurements on solar irradiance and various types of artificial lighting including led lights.
Each meter is fully tested and calibrated in factory before delivery. With proper use, it will provide years of reliable service.
Lc display 3-3/4 digital lcd (3999) with analog bar-graph
Spectral response Cie photop?cie eye response cur, cosine correction
Measurement range 0~400klx?0-40kfc
Accuracy ± 3 ?calibrated at 2854 k with incandesce?
± 6% other visible light sources
Sampling rate 4 times/second (digital display)
Repeatability ±2%
Photo electric detector Silicon photodiode with spectral response filter
Peak hold Capture the peak light intensity of shortest 10âµs
Low bat. Indication Appear when battery voltage is too low for working
Data logger memory 32, 000 data
Operation condition Temperature: -10 ~ 5c, humid?< 80%rh relative humidity
Storage condition Temperatu -20 ~ 50 c, humid?< 80% relative humidity
Dimension Main boy 160*58*33mm sensor prolem 102*60*25mm
Weight Appr. 300g (including battery)
Power supply 9v 6f22 or 9v iec 6lr61
Supplier: Digital tachometer, stroboscope, digital thermometer, infrared thermometer, digital lux meter, digital wood moisture meter, paper moisture meter, phase meter, gas meter, sound level meter
Supplier: Thermometer-hygrometer (indoor /outdoor), digital food thermometer, infrared thermometers (200c~1450c), moisture meter, brix refractometer with atc, range finder, lux meter, tachometer, (laser, touched type), anemometer, thinckness gauge, sound level meter, phase indicator, voltage pen, battery tester, socket meter, insulation earth tester, tire pressure meter, ph meter, breath alcohol meter
Supplier: Data logger, measuring instruments, infrared thermometer, laser distance meter, lux meter, light meter, sound level meter, baby monitor
IR Infrared Thermometer is designed for testing the body temperature on forehead. It can also test the temperature of object surface, room, food, bath water,baby milk, etc. The thermometer is widely used for home healthcare, medical institutes. Features: High-tech innovative infrared sensor: save and fast, measurement in 1s. Aim the forehead in the distance of 3-5cm. 35 sets of memories, easy to recall. Fever alarm function temperature units selectable: Fahrenheit or Celsius. Auto shut-down, power-saving. Specifications: Display Resolution: 0.1°C / 0.1°F Measuring Range in Forehead Mode: 32.0°C ~ 42.9°C / 89.6°F ~ 109.2°F Accuracy : ± 0.2°C / ± 0.4°F Power Supply: 2 * 1.5V AAA Battery(Not Included) Operating Conditions: 10.0 ~ 40.0°C / 50°F ~ 104°F; 15% ~ 95%; 86kPa ~ 106kPa
The sound level meter measures and displays sound levels in dB from 3 to 13 dB. User selectable features include Frequency weighting (A & C), Response Time (Fast & Slow), Data Hold and MAX/MIN recording. Comply with norm of IEC 651 type 2, ANSI S1.4 TYPE 2. Each meter is fully tested and calibrated in factory before delivery. With proper use, it will provide years of reliable service.. Applicable standards IEC61672-1: 213 Class 2 Measurement range Auto:3 to 13d Manual: 3 9dB, 5 11dB, and 7 13dB Microphone 1/2 inch polarized condenser microphone Frequency range 31.5~8Hz Accuracy ±1.5dB ( at reference condition of 94d 1 kHz) Resolution .1dB Data update 5ms Frequency weighting A and C Response time FAST125 SLOW1 s Standard calibrator 1KHz sine wave @ 94 or 114dB Display 3-1/2 digital LCD with analog bar-graph Over load indication Displa OVER UNDER� icons Outputs AC/DC signal output from earphone jack AC=1Vrms DC=1mV/dB Data output Micro USB Auto power off Automatically power off if without operation in 2 mins Power One 6F22 battery or 9V 6LR61 Memory 32 dataonly for LD856 Operating condition ~ C (32 ~ 122 F)1 ~ 9% RHNon-condensing Storage condition -2 ~ C (- 4 ~ 14 F)1 ~ 9% RHNon-condensing Weight & dimension 2gincluding battery215mm*58mm*33mm Accessories Manual, 9V battery, windscreen, USB cable, 9V AC/DC adapt �3 earphone plug�software CD.
Ld 9121 series temperature and humidity data logger has internal high-precision sensors for temperature or temperature and humidity measurements. There is no need to install any software to automatically generate a pdf report. The device stores maximum 16000 measuring data automatically with selectable sampling intervals from 1s to 24h. It is equipped with intelligent data analysis and management software for data download, graph checking and analysis, etc. This device is designed with lcd, led indicators and buttons. Real-time readings and alarm information can be displayed on lcd. The two leds flash in red, green and yellow colors to indicate the status of working and alarming. Its easy to operate with the two buttons to check data, start logging and clear data.
Supplier: Anemometer, lux meter, force guage, sound level meter, vibration meter, ir laser thermometer, static charge meter, mechanical counter, electrical speedo-meter with ac tachogenerator. Ph meter.
Supplier: Digital tachometer, stroboscope, digital thermometer, infrared thermometer, digital lux meter, digital wood moisture meter, paper moisture meter, phase meter, gas meter, sound level meter
Supplier: Coating thickness gauge, digital lux meter, anemometer, tachometer, ultrasonic thickness gauge, vibration meter, grain/wood/paper moisture meter, sound lever meter, phase indicator, thermometer, infrared thermometer, shore hardness tester, earth resistance tester, surface roughness tester
