Huong Dan Chon Oscilloscope Cam Tay ZOYI Cho Nguoi Moi

Muc luc

1. Oscilloscope cam tay la gi?
2. Thong so ky thuat
3. Chon model phu hop
4. Ung dung

Huong Dan Chon Oscilloscope Cam Tay ZOYI Cho Nguoi Moi

1. Oscilloscope cam tay la gi?

Oscilloscope cam tay ZOYI la thiet bi do va hien thi tin hieu dien theo thoi gian thuc. De su dung, gon nhe, phu hop cho nguoi moi.

2. Thong so ky thuat

Bang thong, tan so lay mau, phan giai bit, so kenh, bo nho, thoi luong pin.

3. Chon model phu hop

ZT-702S (10 MHz) co ban. ZT-703S (20 MHz) can bang. ZT-706S (50 MHz) cao cap.

4. Ung dung

Chan doan su co mach, do song, kiem tra nguon, bao hanh, giang day.

Hinh anh ZOYI 0 — Hinh anh san pham ZOYI

Hinh anh ZOYI 1 — Hinh anh san pham ZOYI

Hinh anh ZOYI 2 — Hinh anh san pham ZOYI

Cau hoi thuong gap (FAQ)

Thiet bi nay co can tiep xuc khong?
Khong can. Thiet bi do bang cam ung tu truong.
Do chinh xac nhu the nao?
±2% hoac ±2C tuy model.
Co luu ket qua duoc khong?
Mot so model ZOYI co bo nho trong.
Pin sac duoc khong?
Da so dung Li-ion sac USB.
Bao hanh?
ZOYI bao hanh 12 thang.

Lien he ZOYI Viet Nam — Hotline: 0904 579 990
Tu van mien phi ve thiet bi do dien

4. So sanh ZT-702S, ZT-703S, ZT-706S

Tinh nang	ZT-702S	ZT-703S	ZT-706S
Bang thong	70 MHz	100 MHz	100 MHz
Signal Gen	Khong	Co	Co
Bluetooth	Khong	Khong	Co
Pin	4h	4h	5h
Gia	1.5 trieu	2.2 trieu	3.5 trieu

ZT-702S cho sinh vien, nguoi moi. ZT-703S signal generator cho tho sua chua. ZT-706S Bluetooth cho ky thuat vien. Ca 3 man hinh mau 2.8 inch. Bao hanh 12 thang.

5. Huong dan su dung co ban

Buoc 1: Cam dau do CH1. Buoc 2: Chon V/div (VD 1V/div cho 5V). Buoc 3: Chon Time/div (VD 1ms/div cho 1kHz). Buoc 4: Chon AC/DC. Buoc 5: An Auto-set. Buoc 6: Doc Vpp, Hz, chu ky. ZOYI co menu de su dung. Luyen tap thuong xuyen de doc dang song thanh thao.

6. Cac bai tap thuc hanh

Bai 1: Do song sin tu signal generator, do Vpp va tan so. Bai 2: Do xung vuong tu mach so, do duty cycle. Bai 3: Do song PWM tu vi dieu khien Arduino. Bai 4: Do giao tiep I2C, doc tin hieu SDA va SCL. Bai 5: Do nhieu nguon, tim diem lang song. Ghi lai ket qua va so sanh voi thong so ky thuat.

Bai viet lien quan

Lien he ZOYI Viet Nam – Hotline: 0904 579 990
Tu van chuyen sau mien phi ve thiet bi do dien

7. Thong so ky thuat chi tiet

ZT-702S: 70MHz, 1GSa/s, 1 kenh, bo nho 64k. ZT-703S: 100MHz, 1GSa/s, 2 kenh, signal gen. ZT-706S: 100MHz, 1GSa/s, 2 kenh, signal gen + BT. Man hinh 2.8 inch 320×240. Tu dong Auto-set. Do Vpp, Vrms, Vavg, Tan so, Duty cycle, Chu ky. Pin 1200-1400mAh 4-5h.

8. So sanh Hantek 2D72

Hantek 2D72 70MHz, 2.4 inch, pin 3h, 2.5 trieu. ZT-703S 100MHz, 2.8 inch, pin 4h, 2.2 trieu. ZT-706S 100MHz, BT, 3.5 trieu

Bai viet lien quan

Lien he ZOYI Viet Nam – Hotline: 0904 579 990
Tu van chuyen sau mien phi ve thiet bi do dien

8. So sanh ZT-702S vs Hantek vs FNIRSI

ZT-702S 70MHz 1 kenh 1GSa/s man 2.8 pin 4h no SG 1.5 trieu. Hantek 2D72 70MHz 2 kenh 1GSa/s man 2.4 pin 3h co SG 2.5 trieu. ZT-703S 100MHz 2 kenh 1GSa/s man 2.8 pin 4h co SG 2.2 trieu. FNIRSI 1013D 100MHz 2 kenh 1GSa/s man 7 pin 5h no SG 3.5 trieu. ZT-703S gia tot nhat 2.2 trieu. ZT-706S BT 3.5 trieu. Bao hanh 12 thang.

9. Huong dan su dung OSC cam tay

Buoc 1: Cam day do CH1. Buoc 2: Chon AC/DC. Buoc 3: Chon V/div. Buoc 4: Chon Time/div. Buoc 5: An Auto-set. Buoc 6: Doc Vpp, Hz, chu ky. Co video huong dan trong hop. Thuc hanh thuong xuyen.

10. Bai tap thuc hanh

Bai 1: Do song sin 1kHz – do Vpp va tan so. Bai 2: Do xung vuong 50kHz – do duty cycle. Bai 3: Do PWM 1kHz duty 50% tu Arduino. Bai 4: Do I2C 400kHz – doc SDA SCL. Bai 5: Do nhieu nguon AC 220V. Bai 6: Do song nhieu tu dien thoai. Ghi lai so sanh voi ly thuyet.

11. Ung dung thuc te oscilloscope cam tay

Sua nguon xung: Do song ra 12V, kiem tra song nhieu (ripple). Song nhieu duoi 50mV la tot. ZT-703S do chinh xac. Sua mach dieu khien: Do PWM tu vi xu ly, kiem tra duty cycle. Sua amply: Do tin hieu vao ra, phat hien meo song o tan so cao. Sua mach LCD: Do tin hieu I2C, kiem tra SDA SCL. Sua UPS: Do song AC dau ra, dam bao la song sin. ZT-703S co signal generator tao test.

12. So sanh ZT-703S va Fluke 123B

Fluke 123B 20MHz, man hinh mau, pin 7h, gia 35 trieu. ZT-703S 100MHz, man 2.8 pin 4h, gia 2.2 trieu. ZT-703S bang thong gap 5 lan, gia bang 6% Fluke. Fluke ben va pin lau nhung qua dat cho nguoi Viet. ZT-703S dap ung day du nhu cau sua chua dien tu thong thuong.

13. Huong dan chon mua OSC

Chon OSC can: (1) Bang thong 70-100MHz. (2) 2 kenh. (3) Co signal generator. (4) Man hinh 2.8 inch. (5) Pin 4-5h. (6) Gia 1.5-3.5 trieu. ZT-703S 2.2 trieu toi uu. ZT-706S 3.5 trieu cho chuyen nghiep co Bluetooth.

11. Ung dung thuc te oscilloscope cam tay

12. So sanh ZT-703S va Fluke 123B

13. Huong dan chon mua OSC

14. Cach bao quan oscilloscope cam tay

Oscilloscope ZOYI can bao quan: (1) Cat o noi kho rao, tranh am uot. (2) Sach pin khi khong dung lau. (3) Lau man hinh bang vai mem. (4) Khong cam day do qua cong suat cho phep (300Vrms). (5) De trong hop bao quan. (6) Cap nhat firmware khi co phien ban moi. (7) Hieu chinh dinh ky tai trung tam bao hanh. ZOYI bao hanh 12 thang.

15. Cac loai hinh song co ban can biet

Song sin: dang song pho bien nhat, tu nguon AC, signal generator. Do Vrms, Vpp, tan so. Song vuong: tu mach so, vi xu ly, PWM. Do dien ap muc cao (VH), thap (VL), duty cycle. Song tam giac: tu mach tao song, tu mach nguon xung. Song rang cua: tu mach quet, mach PWM. Song nhieu: nhieu ngau nhien tu nguon, tu truong. Hieu biet cac dang song giup ban chuan doan mach nhanh hon.

16. Vi du thuc te sua chua bang OSC

Vi du 1: Nguon may tinh khong khoi dong. Do song ra 5VSB: khong co. Bi hong IC nguon. Thay IC. Do lai: co song on dinh. OK. Vi du 2: Amply bi meo tieng. Do song vao: song sin sach. Do song ra: song bi cat dinh o ban song duong. Phat hien bi hong bong ban song. Thay bong. Do lai: song ra sach. Vi du 3: Mach dieu khien robot khong chay dung. Do PWM tu MCU: tin hieu dung, duty cycle dung. Do tin hieu dieu khien dong co: thieu xung. Phat hien loi driver. Thay IC driver. OK.

17. Giai thich cac thong so ky thuat OSC

Bang thong 70MHz va 100MHz: 100MHz co the do song tan so cao hon. VD: do song 50MHz, 70MHz se giam bien do 3dB, 100MHz van chinh xac. Sample rate 1GSa/s: lay mau 1 ty lan/giay. Du cho song den 100MHz. Memory depth 64k: luu 64000 diem song. Du cho phan tich. Voltage range: 10mV-50V/div (voi dau do 10X). Time base: 5ns-100s/div. Auto-set nhanh duoi 2 giay. Cac thong so nay dap ung duoc 90% nhu cau do luong.

18. Cac ky thuat do OSC nang cao

Trigger edge: kich hoat khi song vuot qua muc dien ap cai dat. Trigger pulse: kich hoat voi xung co do rong dinh truoc. Trigger video: kich hoat theo tin hieu video. Math function: cong, tru, nhan, chia cac kenh. FFT: phan tich tan so cua song. ZT-703S va ZT-706S ho tro cac chuc nang nay. Luyen tap de thanh thao.

19. Cac bai tap thuc hanh nang cao

Bai 1: Do FFT cua song sin 10kHz – nhan biet dinh tan so chinh. Bai 2: Do Pulse Width Modulation (PWM) 10kHz duty 75% tu Arduino. Do dien ap, tan so, duty cycle. Bai 3: Do UART giao tiep 115200 baud – doc tin hieu TX, RX. Bai 4: Do SPI giao tiep 10MHz – doc tin hieu SCK, MOSI, MISO. Bai 5: Do I2C 400kHz – doc SDA, SCL. Bai 6: Do song nhieu tu nguon xung. ZT-703S la cong cu thuc hanh tuyen voi cho sinh vien, ky thuat vien.

20. Giai dap thac mac ve OSC cam tay

Hoi: OSC cam tay co bang OSC ban de ban khong? OSC ban 4 kenh, man hinh lon, nhung nang, dat, can dien. OSC cam tay nhe, pin, de mang, du cho sua chua. Hoi: Co can mua dau do dat khong? Dau do ZOYI tang kem du dung. Hoi: Pin co the thay khong? Co, pin Li-ion co the thay. Hoi: Co the do song 220V AC khong? Co, dung dau do 10X. Hoi: Bao hanh the nao? 12 thang, 1 doi 1. Hoi: Mua o dau? zoyi.vn.

21. Ket luan ve oscilloscope ZOYI

Oscilloscope cam tay ZOYI la lua chon tot nhat cho ky thuat vien, tho sua chua, sinh vien Viet Nam. Voi 3 dong ZT-702S (1.5 trieu), ZT-703S (2.2 trieu), ZT-706S (3.5 trieu), phu hop moi nhu cau va ngan sach. ZT-703S la ban chay nhat voi bang thong 100MHz, 2 kenh, signal generator tich hop. So voi Hantek 2D72 va FNIRSI 1013D, ZT-703S co gia tot nhat va tinh nang day du nhat. Mua tai zoyi.vn.

22. Cac san pham ZOYI khac

ZOYI cung cap he sinh thai thiet bi do dien day du: DMM ZT-225, ZT-301. Ampe kim ZT-QB series. Camera nhiet ZT-380. Nhiet ke hong ngoai ZT-R01, ZT-R02, ZT-R03. Socket Tester ZT-E2, ZT-E4, ZT-E10. Het thiet bi deu bao hanh 12 thang, 1 doi 1 trong 30 ngay. Mua tai zoyi.vn.

23. Hoi dap tong hop

Hoi: Co the do song RF khong? Khong, bang thong toi da 100MHz. Hoi: Co the mo rong bo nho khong? Khong, co dinh 64k. Hoi: Co the ket noi may tinh khong? ZT-706S qua Bluetooth. Hoi: Co cap nhat firmware khong? Co, qua ZOYI app. Hoi: Mua o dau? zoyi.vn, Shopee Mall.

24. Cac loai phep do OSC nang cao

Phep do FFT: phan tich tan so cua song, tim tan so co bien do cao nhat. Phep do XY: hien thi tuong quan giua 2 kenh. Phep do song nhieu (noise): do bien do song nhieu trong mach. Phep do jitter: do dao dong thoi gian cua song. ZT-703S va ZT-706S ho tro cac phep do nay. Doc huong dan de biet them.

25. Cach su dung trigger hieu qua

Trigger mode: Auto, Normal, Single. Auto: tu dong quet khi khong co tin hieu. Normal: quet khi trigger. Single: quet 1 lan roi dung. Chon dung giup thay song on dinh. VD: do song 1kHz, chon Normal, trigger edge, muc 1V, slope Rising. Song se on dinh tren man hinh. Luyen tap de thanh thao.

26. Cac loi thuong gap khi su dung OSC va cach khac phuc

Loi 1: Khong co song hien thi. Kiem tra cam day do dung kenh. Kiem tra trigger mode. Loi 2: Song bi nhieu. Kiem tra dau do tiep xuc. Chuyen sang 10X. Loi 3: Song bi cat. Giam V/div. Loi 4: Tan so sai. Kiem tra Time/div. Loi 5: Pin het. Sac day pin truoc khi dung. Loi 6: Nut Auto-set khong chay. Chinh tay V/div va Time/div. ZOYI co ho tro ky thuat.

27. Cac bai tap thuc hanh voi OSC

Bai tap 1: Do song sin tu signal generator ZT-703S. Bai 2: Do song vuong tu Arduino. Bai 3: Do PWM 1kHz duty 50%. Bai 4: Do I2C 400kHz. Bai 5: Do SPI 10MHz. Bai 6: Do UART 115200 baud. Bai 7: Do FFT song sin. Bai 8: Do song nhieu nguon. Luyen tap moi ngay de thanh thao.

28. Ket luan ve OSC ZOYI

Oscilloscope cam tay ZOYI la lua chon tot nhat cho ky thuat vien Viet Nam. ZT-702S (1.5 trieu) cho sinh vien. ZT-703S (2.2 trieu) ban chay nhat cho tho sua chua. ZT-706S (3.5 trieu) cho chuyen nghiep. So voi Hantek, FNIRSI, Fluke, ZOYI co gia tot nhat va tinh nang day du nhat. Mua tai zoyi.vn.

29. Huong dan su dung OSC cho nguoi moi

B1: Cam day do CH1. B2: Chon AC/DC. B3: Chon V/div (VD 1V/div). B4: Chon Time/div (VD 1ms/div). B5: An Auto-set. B6: Doc Vpp, Hz, Chu ky. ZT-702S co menu tieng Viet de su dung. Xem video huong dan tai zoyi.vn. Luyen tap 30 phut/ngay, sau 1 tuan se thanh thao.

30. Cac loi thuong gap

Loi khong co song: kiem tra day do, kenh. Loi song bi nhieu: dung dau do 10X. Loi V/div sai: chon lai. Loi Time/div sai: chon lai. Loi trigger sai: chuyen Auto. Loi pin: sac day. ZOYI ho tro ky thuat.

31. Ket luan

ZOYI cung cap 3 dong OSC cam tay phu hop moi nhu cau. ZT-702S (1.5 trieu) cho sinh vien. ZT-703S (2.2 trieu) ban chay nhat. ZT-706S (3.5 trieu) Bluetooth cho chuyen nghiep. Mua tai zoyi.vn, bao hanh 12 thang.

32. Cac buoc dat hang

B1: Truy cap zoyi.vn. B2: Tim OSC. B3: Chon dong phu hop. B4: Them gio hang. B5: Nhap thong tin. B6: Thanh toan COD/chuyen khoan. Giao hang 2-5 ngay. Mien phi cho don tren 500k.

33. Hoi dap ve OSC

Hoi: Co the do song 220V AC khong? Co, dung dau do 10X. Hoi: Co the do tin hieu AM/FM khong? Co, neu tan so trong bang thong. Hoi: Co the do mach RF 2.4GHz khong? Khong, bang thong chi 100MHz. Hoi: Pin dung bao lau? 4-5h. Hoi: Co the sac khi dang dung khong? Co, qua USB. Hoi: Co the xuat du lieu khong? ZT-706S co Bluetooth. Hoi: Bao hanh? 12 thang.

34. Cac ung dung thuc te

Sua nguon may tinh, LCD TV, amply, lo vi song, may giat, dieu hoa, may bom, robot. ZT-703S la cong cu sua chua da nang. Signal generator tao test nhanh.

35. Loi ket cho OSC

Chon ZT-702S (1.5t) cho moi hoc. Chon ZT-703S (2.2t) cho sua chua. Chon ZT-706S (3.5t) cho chuyen nghiep. Mua tai zoyi.vn, bao hanh 12 thang.