50.8 mm in inches for sale, brand-new and used.

USA Daily Deals Supco DAVM+ Digital Air Flow Meter, Vane Anemometer, Thermometer, Hygrometer, Light Meter

USA Daily Deals System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector

2015 optical glass lenses plano-convex lenses product descrition:

Rosslare AC-K06USAC-225-U Two Door Kit with 2 Readers and 50 Credentials The kit includes: 1 x AC-225-U Professional Scalable Networked Controller 2 x AY-K12 Micro Mullion Readers 2 x MP-K01 Mountin

Supco DAVM-Plus Digital Air Flow and Volume Meter Features: Characteristics: Supco DAVM+ Handheld Digital Air Flow and Volume Meter Easy CFM Set-Up Flow Chart and Free Area Chart included Measures Feet per Minute (FPM) and Cubic Feet per Minute (CFM) Measures Temperature and Humidity Measures Light Levels (LUX)

Starrett 657P Magne

1MHz ~ 1000MHz PLJ-6LED-H frequency meter frequency measurement module

1MHz ~ 1000MHz PLJ-6LED-H frequency meter frequency measurement module RED

1MHz ~ 1000MHz PLJ-6LED-H frequency meter frequency measurement module GREEN

1MHz ~ 1000MHz PLJ-6LED-H frequency meter frequency measurement module BLUE

RED 0.1-60MHz 20MHz ~ 2.4GHz RF Singal Frequency Counter Cymometer Tester Meter

GREEN 0.1-60MHz 20MHz ~ 2.4GHz RF Singal Frequency Counter Cymometer Tester Meter

0.1-60MHz 20MHz ~ 2.4GHz RF Singal Frequency Counter Cymometer Tester Meter

System Sensor 4WTA-B 4-Wire Smoke Detector 12/24V Operation Photoelectric Smoke with base, 135 Degree Heat Detector, and 85dB Sounder