Usafirishaji wa kawaida bila malipo kwa maagizo zaidi ya $9.9
Sera ya Kurudisha
Rudisha bidhaa zitakubaliwa ndani ya siku 40 tangu tarehe ya kupokea bidhaa. Bidhaa zilizobuniwa haziwezi kurudishwa au kubadilishwa. Bidhaa zilizonunuliwa na kadi ya zawadi ya elektroniki zinaweza kubadilishwa tu; rudi pesa haifai.
Zawadi ya Bure
Karibu Roymall, tovuti yako ya kitaalamu ya kununua zawadi za hifadhi ya duka. Tunathamini na kushukuru msaada wako, na tunataka kuonyesha shukrani yetu kwa kuongeza kipengele cha msisimko wa ziada kwa ununuzi wako. Unaponunua nasi, sio tu utapata bidhaa za hali ya juu zinazoboresha maisha yako, lakini utapata pia zawadi ya bure ya kipekee kwa kila agizo lako. Tayari kuchunguza mkusanyiko wetu na kupata zawadi zako kamili? Chunguza uteuzi wetu wa bidhaa za hifadhi ya duka, weka agizo lako na subiri msisimko wa zawadi yako ya bure kufika pamoja na ununuzi wako.
Sera ya Usafirishaji
Tutafanya kazi kwa bidii kukufikishia bidhaa baada ya kupokea maagizo yako na kuhakikisha zinafika salama. Maelezo ya uwasilishaji yatakuwemo kwenye barua pepe yako ya uthibitisho.Kwa hali ya kawaida, maagizo huchakatwa ndani ya siku 2. Katika hali maalum, yanaweza kucheleweshwa kama ifuatavyo: Unapoagiza Jumamosi, Jumapili au siku za likizo, itacheleweshwa kwa siku 2.Kwa kawaida, inahitaji siku 5-7 za kazi (Jumatatu hadi Ijumaa) bila kuathiriwa na ucheleweshaji wa ndege au mazingira mengine.Kwa sababu huduma yetu ya usafirishaji ni kimataifa, muda wa uwasilishaji utategemea eneo lako, kwa hivyo inaweza kuchukua muda na tafadhali subiri kwa subira ikiwa uko katika wilaya au nchi za mbali.
1. Sera ya Kurudisha na Kubadilisha
Tunakubali tu bidhaa zilizonunuliwa kutoka roymall.com. Ikiwa unanunua kutoka kwa wasambazaji wetu wa ndani au wauzaji wengine, huwezi kuzirudisha kwetu.Bidhaa za mauzo ya mwisho au zawadi za bure hazikubaliki kwa kurudisha.Ili kuwa na haki ya kurudisha, bidhaa yako lazima isitumike na iwe katika hali ileile uliyoipeleka. Pia lazima iwe kwenye pakiti ya asili.Baada ya kupokea maagizo ya kurudisha kutoka kwetu, tafadhali pakiti bidhaa zako zilizorudishwa na kuacha kifurushi chako kwenye ofisi ya posta ya ndani au mtoa huduma mwingine wa usafirishaji. Tutachakata bidhaa yako ya kurudisha au kubadilisha ndani ya siku 3-5 za kazi baada ya kuipokea. Rudi pesa itachakatwa na kuwekwa kiotomatiki kwenye njia yako ya awali ya malipo.Hakuna kurudisha au kubadilisha kunaweza kukubaliwa ikiwa bidhaa ilitengenezwa kwa maagizo maalum, ikiwa ni pamoja na saizi maalum, rangi maalum au uchapishaji maalum.Ikiwa unahitaji msaada zaidi, tafadhali wasiliana nasi. service@roymall.com au Whatsapp: +447549870296
2. Sera ya Kurudisha Pesa
Utapata rudi pesa kamili au stoo 100% ya stoo baada ya kupokea na kukagua kifurushi kilichorudishwa. Rudi pesa itachakatwa kiotomatiki kwenye njia yako ya awali ya malipo.Tafadhali kumbuka kuwa gharama za usafirishaji na ushuru wowote au ada hazirudishiwi. Gharama za ziada za usafirishaji hazirudishiwi mara tu kifurushi kimetumwa. Wewe ndiye mwenye jukumu la kulipa ada hizi na hatuwezi kuziacha au kuzirudisha, hata kama agizo litarudishwa kwetu.Mara tu tutakapopokea na kuthibitisha bidhaa yako iliyorudishwa, tutakutumia barua pepe kukujulisha kuwa tumepokea bidhaa yako. Pia tutakujulisha kuhusu uthibitisho au kukataliwa kwa rudi pesa yako.Ikiwa una shida yoyote kuhusu mchakato wa kurudisha pesa, tafadhali wasiliana nasi. service@roymall.com au Whatsapp: +447549870296
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Features:
1. High Frequency Stability: The Single Signal Generator displays superior frequency stability, with an impressive ± 30 ppm at 0± 40℃. This ensures the device is reliable and accurate over a prolonged duration and use.
2. Wide Bandwidth Options: It offers two discrete versions with bandwidth capabilities of 30MHz (Model: DGE1030) and 60MHz (Model: DGE1060). This makes it suitable for various applications and usage requirements.
3. Detailed Frequency Characteristics: The signal generator delivers an array of frequency characteristics, from 1 μHz upto 60MHz, with frequency resolution to 1uHz, enabling diverse waveform generation, and ensuring that your signal needs are always met.
4. Varied Waveform Support: Support for sine wave, sqw, ramp wave, pulse wave, and noise wave along with more than 160 other types of arbitrary waveforms like sinc, exponential rise and decline, electrocardiogram, Gaussian, and semi-positive, this device is incredibly versatile.
5. Superior Amplitude Characteristics: It displays a comprehensive set of amplitude characteristics, with high amplitude accuracy and resolution. It supports a wide output amplitude range, giving you total control of your signals.
Specifications:
Model 1 : DGE1030 (30 MHz Bandwidth, 125MSa/s Sample Rate);
Model 2 : DGE1060 (60 MHz Bandwidth, 300MSa/s Sample Rate);
Waveforms Supported: Sine wave, sqw, ramp wave, pulse wave, noise wave, and more than 160 types of arbitrary waveforms;
Frequency Characteristics: From 1 μHz up to 60MHz, with frequency resolution to 1uHz;
Amplitude Characteristics: Wide amplitude range with high amplitude accuracy and resolution.
The GDE1030 lives up to its specifications and is a wonderful function generator with an excellent price/performance ratio.
I have never found the combination of options listed below on a function generator in this price range:
- Reconstruction of signals from up to 8,192 words of 14 bit.
- Sine voltage adjustable from 2 mVrms.
- Sine voltage up to 30 MHz without measurable attenuation.
- Distortion on sine less than 0.2 %.
- Rise time square wave smaller than 20 ns.
- Rise and fall times of pulses separately adjustable.
- Power supply from any 5 Vdc source.
I can unreservedly recommend this device to any electronics hobbyist who wants to buy a versatile signal source for not too much money.
In fact, I only miss one thing, and that is fold-out legs on the front that would allow you to place the device on the table at a better reading angle.
Roymall C.o.
Zawadi ya Bure
Sera ya Usafirishaji
Sera ya Kurudisha
Coupon Code
Direct purchase from the factory 
Tools
Measurement & Analysis Instruments
Digital Multimeters & Oscilloscope
Signal Generator
