black threshold for sale, brand-new and used.

Additional features include backlight display, internal memory, built-in efficiencies for common isotopes, and free Observer USB Software. Detector Internal Halogen-quenched, uncompensated GM tube with thin mica window, 1.4-2.0 mg/cm2 areal density. Effective diameter of window is 45 mm (1.77 in.).

SIMPSON Model 886 Sound Level Meter with 890 Calibrator, Case and Accessories This is a used Simpson sound measuring system in very good condition and 100% tested. As you can see from the picture the meter has been kept in a secure case with all of the original accessories. Other than some very minor wear this unit is in perfect condition and working as it should.

This is a used Simpson sound measuring system in excellent condition and working order. As you can see from the picture the meter in a case with all of the original accessories. The Simpson 886 Sound Level Meter is a portable, general purpose sound level instrument, capable of accurate sound level measurements over a range of 40 to 140 dB.

From my personal collection, here is a mutual conductance tester you can be proud of and count on for decades to come, a beautiful refubished restored and calibrated B&K 747. This one is originally from State of Connecticut, Dept of Education and has clearly not seen much use. Very well kept and super clean, no rust nor corrosion to be seen.

Features: On/Off & Volume Control Turns the beltpack power on and controls head set volume. Wireless Talk Around (WTA) When pressed, the user’s audio

250mW+ 405nm Blue Violet Laser Diode Module with Adjustable Lens, Tiny Heatsink for Laser module and 9 Component Test Driver DIY Kit include tiny heatsink for laser diode housing. Sell AS IT IS as an EXPERIMENTAL COMPONENT without warranty. Ship after 180mA inspection for not stress diode.

300mW+ 650nm Red Burning Laser Diode Module with Adjustable Lens 10 part precision Adjustable Constant Current about 100mA to 463mA routed PCB Test Driver DIY kit with protection circuit included. This item is for replacement of laser show red laser diode module. There are countless uses for a small compact Red laser, such as HOLOGRAPHY, LASER LIGHT SHOWS, Medical, etc...

150mW+ 405nm Blu-Ray Blue Violet Laser Diode Module with Adjustable Lens This module need custommers driver like TTL modulation constant current driver . Please never use voltage regulator or lab power supply for test laser diode because laser diode can die at micro second. This item is for replacement of laser show blue laser diode module.

150mW+ 405nm Blu-Ray Blue Violet Laser Diode Module with Adjustable Lens. 9 part precision Adjustable Constant Current about 30mA to 167mA Test Driver DIY kit with protection circuit included. This item is for replacement of laser show blue laser diode module.

Lot of 1 piece 150mW+ 405nm Blu-Ray Blue Violet Laser Diode Module with Driver. 109mA Mini Constant Current Driver included( 8 - 15V). This item is not a hand held laser(use for industrial or into laser show device).

PICTURES OF PRODUCTS:

New 100mW 405nm Blue-Violet blu-ray Laser Diode ------------------------------------------------------------------------------------- There are countless uses for a small compact Blue - Violet laser, such as HOLOGRAPHY, LASER LIGHT SHOWS, Medical, etc... It can light cigarette, punch black vinyl and can Burn copy paper. out put:100mW(recommend for the long life of this

PICTURES OF PRODUCTS: All items are 100% new & never used.

Thank you for viewing the auction. You are bidding on a very high quality security camera capable of operating in very low light situations from its large CCD imaging sensor. This camera clearly states it does not come with a lens.

Brand new in box extra stock  DUAL Technology Motion Sensor K-Band Technology The fully-featured DUAL TEC® DT7435 motion sensor achieves reliable protection and improved false alarm immunity through DualCore™ signal processing. K-Band microwave technology and Uniform Sensitivity Opti

Radiation detector - Dosimeter "R-Tracker". For Car, airplane, boat.Not used. Tested.

This device is preloaded with adapted GeigerKit_Default sketch (v.11.0.1)

Exploranium, S.A.I.C-Exploranium Company LTD., 264 Watline Avenue, Mississauga, Ontario, L42 1P4, Canada, Model GR-130+GM-B. Mini-SPEC Portable Multi-Channel Analyzer (MCA) and Radiation Detection Instrument with upgraded optional GM detector (in addition to scintillation NaI detector). Current calibration: Isotope Energy Verification and Dose Rate Calibration, see below.

Ecotest VIP (Personal radioactivity detector)

You are bidding for the new, fully assembled, microprocessor-based ionizing radiation counter with Black-on-Green LCD, threshold LED, button-and-Buzzer snap-on shield. This listing is without the Geiger–Muller tube, TTLSerial<>USB adapter and battery. So in order to use it you need to have a Geiger–Muller tube which works at voltages up to 525V.