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LabMakelaar Benelux B.V.
Zevenhuizen - Netherlands
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Packard TopCount NXT Microplate Scintillation and Luminescence Counter

LabMakelaar Benelux B.V.
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Manufacturer: Sony Model: WRT 810A Synthesized Wireless Microphone Description: The WRT-810A is a tr (more)ansmitter for an 800 MHz band UHF synthesized wiresless microphone system  to be used forbroadcast or movie production purposes. The microphone/transmitter is  classified by frequenzy band. Features: - easy selection of 94 channels- operation powered by widely available batteries- CPU and LCD for coordinated operation control- saved channel and input attenuation settings- highly reliable electronic attenuator- handy audio input switch- compatibility with Sony lavalier micrrophones (WRT-820A)- RF carrier with tone signal- wide dynamic range low noise Specifications: Transmitter and Modulator Section - Oscillator  Crystal controlled PLL synthisizer- Carrier frequencies 94 settings at 125-<Hz intervals   WRT-810A (64): 770.125 to 781.875 MHz   WRT-810A (66): 782.125 to 793.875 MHz   WRT-810A (68): 794.125 to 805.875 MHz- Tone signal  32.768 MHz- Type of emission 110KF3E- RF power output 10 mW/2.5 mW, selectable (50 ohms) Power section - Power requierments 3 V (two L40 (LR6) akaline batteries)- Battery life  About 8 hours at 25°C (with Sony AM3 (LR6) akaline batteries)- Current consumption Less than 170 mA (3 V) General - Opering temperature 0°C to 50°C- Storage temperature -30°C to plus 60°C- Dimensions  48 x 238 mm- Weight   about 300 g (including batteries) Items delivered: - Sony WRT-810A Wireless Microphone (without batteries)- Carrying Case The microphone is in used cosmetic condition and fully functional tested.

€200.00 ex VAT
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Micromeritics AquaPrep Particle Size Analysis Water Preparation System-cover
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Particle size measurement instruments typically employ deionized or even untreated water as a suspen (more)sion medium for particle dispersion during analysis. Usually, this water contains undesirable levels of dissolved gases, most often those commonly present in the atmosphere. During analysis, these gases can come out of solution, forming minute bubbles that can have important effects on the analytical results. Regardless of the relative size of the bubbles, their presence distorts the reported distribution of sizes; it also degrades the repeatability of analyses. The more powerful the analyzer, the more pronounced these effects can be. When using a highly sensitive instrument such as the Micromeritics Saturn DigiSizer, removal of the dissolved gases (that subsequently lead to bubble formation) is therefore extremely desirable for obtaining the most accurate particle size data possible. The Micromeritics AquaPrep is a highly-effective system for freeing water of dissolved gases for use with the Saturn DigiSizer. The AquaPrep recirculates water through a hydrophobic capsule consisting of many thin-walled capillaries. A vacuum pump provides low pressure on the outside of the capillaries, causing a diffusion of dissolved air from the water through the capillary walls and into the vacuum pump. The air removed from the water is subsequently exhausted through a small tube at the front of the instrument, which is connected to a bubbler-type apparatus for performance monitoring. During typical operation, the AquaPrep can prepare approximately 5 liters of water for analysis in less than 2 hours. Because air bubbles scatter light as do particles, the AquaPrep enhances even further the high-accuracy analysis of small particles. Its compact, rugged, and reliable design make it ideal for use in a wide variety of aqueous particlesizing applications.

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