Reviews High precision Frequency Counter

Rigol DG822-25 MHz Function/Arbitrary Waveform Generator, 2 Channel

Unique SiFi II (Signal Fidelity II) technology: generate the arbitrary waveforms point by point.
jitter of all the output waveforms (including Sine, Pulse, etc.) as low as 200 ps.
16 Mpts memory depth per channel for arbitrary waveforms.
Standard dual-channel with the same performance, equivalent to two independent signal sources.
Built-in high-order harmonic generator (at most 8-order harmonics).
Built-in 7 digits/s, 240 MHz bandwidth full featured frequency counter.
Up to 160 built-in arbitrary waveforms, covering the common signals in engineering application, medical electronics, auto electronics, math processing, and other various fi elds.
Sample rate up to 250 MSa/s, vertical resolution 16 bits.
Arbitrary waveform sequence editing function available.
arbitrary waveforms also can be generated through the PC software.

DUAL Big GAUGE! 1.6 inch big dual gauge easy to read your cylinder inner and working Pressure..
UPDATED SPLIT-TYPE DC SOLENOID! Newest 12 DC split-type solenoid instead AC models, more safe and stable. NEVER noise, automatic turn on/off CO2 with timer..
HIGH PRECISION STRUCTURE-This regulator is designed for the aquarium. High precision fine-tuning easy for co2 to be 1 bubble in 3 seconds. Upgraded sealing material avoid any leak..
BUBBLE COUNTER AND TOOLS INCLUDED! Together with bubble counter, you can read your co2 flow rate. Bubble counter with check valve function, stop water backflow to bottle. All installing tools included, make all goes easy..
CLASS 1 MANUFACTURING TECHNOLOGY! Made of hard aluminum alloy, surface spraying treated. Pressure knob and fine tuning knob with knurl..

BULBMASTER BRAND 4 Pack 40A15 is a 40 Watts A15 Light bulb. This bulbs is ideally used in most Household Appliances like Microwaves, Over the counter range hood, Stove-top light, Ovens and Refrigerators. High Temp Resistance - Able to withstand high temperatures. Rated at 1500 hours, reduce bulbs replacing frequency..
APPLIANCE BULB- Ideal Replacement for most Household Appliances like Microwaves, Over the counter range hood, Stove-top light, Ovens and Refrigerators.
IDEAL OVEN BULB - High Temp Resistance - Able to withstand high temperatures..
BASE: Medium Screw E26 - DIMMABLE - 1500 life Hours.
GREAT QUALITY - Works with most 110, 120 and 130 Volt Lighting Fixtures and Appliances.

The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies , with signal strength indicator..
This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio..
There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure..
Its four-button control is easy to use and its small size allows you to carry it anywhere you like..
Work by TCXO(Temperature Compensate X'tal (crystal) Oscillator) ,In the range of -45 C ~ 65 C can reach ± 2 ~ ± 4ppm accuracy..

Inner tweeter dome that further smooths out the tweeter’s frequency response and minimises resonances.
New long-throw designs for improved frequency response and low-frequency dynamics.
New motor system uses strontium carbonate Ferrite+ ceramic magnets for improved sensitivity.
15cm MSP driver for true high-end midrange performance.
Two-part plugs mean you can tune bass response precisely for your room and tastes.

Counter-weighted crankshafts greatly reduce power robbing and damaging crank-flex, high RPM harmonics and vibration through the entire power range.
EMPI's Counter-weighted Crankshafts are perfect for the racer on a budget.
These cranks are precision ground, micro-polished, nitrided, balanced and use stock VW main and rod bearings.
Features include: forged from 4140 chromoly, radiused standard/standard journals, chamfered oil holes, 8 dowel, 8mm dowel pins and cross-drilled.

Accurate and Exactness Performance: This Pulse Generator is adopted with high stable frequency acquisition elements, it includes high stability pulse chip, Exactness correction capacitance, Exactness multi-loop adjustable resistor, display Firmcapacitance, all of them ensure an accurate and high precise working with a good durability.
Premium Quality: This product Schumann wave 7.83HZ very low frequency generator, which features with high accuracy and great stability. At the same time, it is adopted with high quality polymer batteries, with overcharged, over-voltage, over-current protection. There is almost no voltage ripple in the voltage supply.
Multi-functional: The Schumann wave can helps relax people's physical and mental, and it helps improve the body's perception of sound and images, and it also helps improve the health of the human body to improve the efficiency of work, and the condition of mental stress also has ....

Product 1: Upgraded UNI-T UT210E Pro with larger range, faster reading, and new features. Versatile for diagnose automotive, repair, troubleshoots, industrial and household electrical issues. All in one..
Product 1: Ultra safe and built to last. Safety rated CAT II 600V, CAT III 300V. Built in smart chip for overload protection. Pocket sized, nonslip rubber grip and easy to carry..
Product 2: UNI-T Arbitrary Waveform Generator UTG962. Dual channels. Ch1 - Ch2 combining. Output waveforms: Sine, square, pulse, ramp, noise, DC, arbitrary. Modulation types: AM, FM, PM, FSK, Line, Log. 24 groups non-volatile arbitrary waveform storage..
Product 2: Sampling rate of 200MSa/S. TTL level signal compatible 6 digits high accuracy built-in frequency counter. Output frequency range: 1μHz-60MHz. Full-band resolution of 1μHz. DDS (direct digital synthesis) method applied. 14 bits vertical resolution. Support frequency scanning and output..
UNI-T WARRANTY – A trouble-free experience with 100% 18-MONTH WARRANTY and 100% MONEY BACK GUARANTEE by UNI-T Direct!.

Product 1: Upgraded UNI-T UT210E Pro with larger range, faster reading, and new features. Versatile for diagnose automotive, repair, troubleshoots, industrial and household electrical issues. All in one..
Product 1: Ultra safe and built to last. Safety rated CAT II 600V, CAT III 300V. Built in smart chip for overload protection. Pocket sized, nonslip rubber grip and easy to carry..
Product 2: UNI-T Arbitrary Waveform Generator UTG932. Dual channels. Ch1 - Ch2 combining. Output waveforms: Sine, square, pulse, ramp, noise, DC, arbitrary. Modulation types: AM, FM, PM, FSK, Line, Log. 24 groups non-volatile arbitrary waveform storage..
Product 2: Sampling rate of 200MSa/S. TTL level signal compatible 6 digits high accuracy built-in frequency counter. Output frequency range: 1μHz-30MHz. Full-band resolution of 1μHz. DDS (direct digital synthesis) method applied. 14 bits vertical resolution. Support frequency scanning and output..
UNI-T WARRANTY – A trouble-free experience with 100% 18-MONTH WARRANTY and 100% MONEY BACK GUARANTEE by UNI-T Direct!.