Best Lens Calibrator

TSI Quest (Formerly 3M) eg4-D-AC3 Personal Noise Dosimeter, Dock, and Calibrator

Kit Includes: EDGE 4 Dosimeter with 1/4-Inch Microphone Two Windscreens, AC-300 Calibrator, Single Docking Station, Calibrator Adapter, USB Cable, Power Supply and Storage Case.
Displays SPL, dose, Lavg, Leq, TWA, maximum level, minimum level, peak level, exposure, and run time… all while in Run mode.
Independent selectable thresholds from 70 to 90dB or none, independent exchange rates for each dosimeter (3, 4, or 5 dB), and independent criterion levels from 70 to 90 dB in 1dB increments.
Rechargeable lithium polymer battery provides more than 60 hours of run time, and only needs to be replaced every three years.

Calibrator: Static Pressure Pump (PSI-PP1) | Knobs: 2 No. s for Fine & Coarse Pressure Adjustment |.
Pressure Range: Upto 1 Bar | Vacuum Range: Upto 400 mm.H.g | Pressure Ports: 2 Pressure Ports with Ferrule Fitting, 1 Each for Master Gauge & Instrument Under Calibration |.
Approximate Volume: 400 C.C | Maximum Pressure: 100 PSIG | Maximum Vacuum: 80% | Adjustment: Coarse & Fine Control |.
Outlet Connection: One 1/4” BSP or Ferrules Union | 1 Year Manufacturing Warranty |.
Supply Scope: 1 Unit of Pressure Gauge Calibrator and Instruction Manual | Applications: HVAC, Laboratories, Calibration Labs..

High Performance: Electronic tension calibrator with high performance embedded microcomputer as the core, accurate weighing, stable performance, vibration resistance, high practicability..
Manufacturing Material: The case of hand held tension calibrator is made of ABS engineering plastic, which is strong and durable, which can effectively prolong its service life..
Exquisite Appearance and Portable: Appearance is exquisite and convenient to carry. LCD digital display design, which can know relevant data in a timely and effective manner..
Circuit Damage Prevention: If the sign of low power is displayed, please replace the battery in time. If the electronic weighing device is not used for a long time, take out the battery to avoid damage to the circuit due to battery leakage..
Unit Conversion: Press the "UNIT" key, and the weighing instrument will perform cycle conversion among the four units of KG, lb, catty, and oz..

SIMPLE OPERATION : With only 3 buttons: 94dB, 114dB and Power On/Off Button. Simply power on the calibrator, select 94dB or 114dB level, and it's ready to go!.
CLEAR DIGITAL DISPLAY: Digital display shows the chosen dB level clearly with Backlight. Avoid making careless mistakes comparing with traditional power switching buttons..
PORTABLE: Lightweight and small size. Handy sound source for quick and easy calibration of sound level meters and sound measuring systems..
SUITABLE FOR 1/2" and 1" MICROPHONE SIZE 1/2" transducer cap (adaptor) is inserted on the calibrator, simply remove the cap to calibrate sound level meters with 1" Microphone.
PROFESSIONAL: Conforms to IEC60942 (IEC942) class 1 standard. Solid design provides accurate and reliable performance, suitable for personal, field and laboratory use..

This gray white balance card is double sided. One side includes gray, white and black balance cards for digital photography. The 18% gray side works for the exposure correction and white side for white balance setting and the black side is used for "dithered black card" exposure. The other side is Tri-fold silver reflector for instant fill light..
This versatile 3-in-1 gray white balance card can be used as a white balance calibrator, light meter calibrator, or a reflector for fill light..
This white balance card size is 37x37cm,It can be folded and placed in the carry pouch. Easy to carry. Suitable for studio and location photography. Such as portrait shooting, product shooting, travel video shooting, wedding photo photography etc..
Includes 3 in 1 gray/black/white Balance card x 1 and carry bag x 1..
We offer one year warranty and life-time after-service, If you meet any problem, Please don't hesitate to contact us..

...cs, small parts, large chips, mobile phone motherboards, and electronic components..
240W soldering station with LCD display, with multiple functions, precise temperature adjustment range 212℉-842℉, ℃/℉, automatic sleep, temperature storage, buzzer, temperature lock, quick-change tip holder, with temperature calibrator and supports temperature calibration..
Buy a JBC soldering station to get 1 calibrator, 1 JBC C115 soldering iron tips, 1 JBC C210 soldering iron tips, 1 soldering mat, 1 cleaning ball seat, 1 soldering iron tip repair powder, 1 cleaning copper wire, 1 cleaning sponge..
The soldering station has passed FCC, CE, and RoHS certification, and we improve the 12-month warranty service for the soldering station, if you have any questions about our products, please contact us, and we will reply as soon as possible..

Sper Scientific 850016 2 Pt. Acoustical Calibrator | Conforms to ANSI S1.4-1984 and IEC942 1988 Class 2 standards for acoustical calibrators. Conforms to ANSI S1.4-1984 and IEC942 1988 Class 2 standards.