Shenzhen Leeder Measurement & Control Technology Co.,Ltd.

features: 1. Modern Design 2. High Accuracy ¡À2mm 3. LCD with Backlight 4. Battery Indicator 5. Water proof IP54 6. Auto Power Off Sepcifications: Measuring Range£º0.05m~40m Accuracy£º¡À2mm Laser Type£º620nm~690nm/

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.

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

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

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.

Ld 9101 temperature data logger has internal high-precision sensor for temperature measurements. This device stores maximum 32000 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, ect. It is designed with lcd, led indicators and buttons. Realtime readings and alarm informations can be displayed on lcd. The two leds flash in red, green and yellow colors to indicate the status of working and alarming. It’s easy to operate with the two buttons to browse realtime readings, start/ stop logging and power on/off, etc. Features: 1. Mini size, easy to use 2. Water proof ip65 3. High accuracy 4. Alarm function 5. Including smart software for data analysis 6. Real time monitoring 7. Record 32000 data 8. Lcd display Specifications: Temperature range:-20?~60?(-40?~140?) Accuracy:±0.5? Resolution:0.1? Data port:usb Sampling rate:1s~24hours selectable Power: 3v cr2450 battery Size: 92x35x20mm G.W: 60g Accessories: battery, holder, software cd, manual & giftbox package

Ld 9104 high accuracy temperature & humidity data logger has internal high-precision sensors for temperature and humidity measurements. This device stores maximum 65000 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, ect. It is designed with lcd, led indicators and buttons. Realtime readings and alarm informations can be displayed on lcd. The two leds flash in red, green and yellow colors to indicate the status of working and alarming. It’s easy to operate with the two buttons to browse realtime readings, start/ stop logging and power on/off, etc. Features: 1. Mini size, easy to use 2. Water proof ip65 3. High accuracy 4. Alarm function 5. Including smart software for data analysis 6. Real time monitoring 7. Record 65000 data 8. Lcd display Specifications: Temperature range:-30?~70?(-22?~158?) Accuracy:±0.5? Humidity range: 0-100%rh Accuracy:±2.0%rh Temperature resolution: 0.1? Humidity resolution: 0.1%rh Data port:usb Sampling rate: 1s~24hours selectable Power: 3v cr2450 battery Size: 92x35x20mm G.W: 60g Accessories: battery, holder, software cd, manual & giftbox package