Nhiệt kế hồng ngoại
May Do Nhiet Do Cong Nghiep – Huong Dan Chon Mua 2026
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May Do Nhiet Do Cong Nghiep – Huong Dan Chon Mua 2026
May do nhiet do cong nghiep (Infrared Thermometer – IR Thermometer) la thiet bi do nhiet do tu xa bang tia hong ngoai, cho phep kiem tra nhiet do be mat cua thiet bi, may moc, duong ong, lo hoi ma khong can tiep xuc truc tiep. Phu hop cho bao tri, kiem tra dien, HVAC va cong nghiep san xuat.
Thong So Quan Trong Khi Chon May Do Nhiet Do Hong Ngoai
| Thong so | Y nghia | Khuyen nghi |
|---|---|---|
| Dai do nhiet | Khoang nhiet do toi da | Pho bien -50 C den 500 C (gia dinh), 500-1000 C (cong nghiep) |
| Ty le D:S (Distance:Spot) | Khoang cach do so voi diem do | Ty le cang cao, do duoc tu xa cang tot (12:1, 20:1, 30:1) |
| Do phat xa (Emissivity) | Kha nang phat xa nhiet cua be mat | Nen co dieu chinh duoc emissivity (0.1-1.0) |
| Tia laser | Giup xac dinh diem do | Nen co, danh dau diem do chinh xac |
Cac Loai May Do Nhiet Do Pho Bien Tai ZOYI
1. Nhiet ke hong ngoai cam tay
Pho bien nhat, do nhiet do tu xa bang laser. Vi du: ZOYI ZT-320B – man hinh mau, dai do -50~3200 C (qua cao), dung trong dien, HVAC.
2. Nhiet ke tiep xuc (Thermocouple)
Do nhiet do bang dau do tiep xuc, chinh xac hon IR. Thuong tich hop trong dong ho van nang co chan do nhiet nhu ZT-R01, ZT-225.
3. Camera nhiet (Thermal camera)
Hien thi hinh anh nhiet truc quan, phat hien diem nong, ro ri nhiet. Vi du: ZOYI ZT-R01 tich hop camera nhiet + dong ho van nang.
Ung Dung Thuc Te
- Kiem tra bang dien: Phat hien diem tiep xuc kem gay nong bang camera nhiet hoac nhiet ke IR.
- Bao tri lo hoi: Do nhiet be mat lo, duong ong hoi, van de phat hien bat thuong.
- HVAC: Kiem tra nhiet do gio cap/gio ve, hieu suat lam lanh cua dieu hoa.
- Cong nghiep thuc pham: Kiem tra nhiet do kho bao quan, be mat thiet bi che bien.
Cau Hoi Thuong Gap (FAQ)
May do nhiet do hong ngoai co chinh xac khong?
Do chinh xac phu thuoc vao do phat xa (emissivity) cua be mat. Vat lieu den, mat cao co emissivity gan 1.0, do chinh xac nhat. Be mat bong, phan chieu co emissivity thap, can cai dat truoc khi do.
Khoang cach do toi da la bao nhieu?
Ty le D:S = 20:1 co nghia la cach vat 20m, do duoc vat co duong kinh 1m. Khoang cach cang xa, diem do cang lon, do chinh xac thap hon.
Camera nhiet khac nhiet ke IR the nao?
Camera nhiet hien thi hinh anh nhiet (2D) giup phat hien diem nong truc quan. Nhiet ke IR chi do mot diem don le.
ZOYI co may do nhiet do nao?
ZOYI co ZT-320B (nhiet ke IR), ZT-R01 (camera nhiet + DMM), va cac dong ho van nang co tich hop do nhiet (ZT-225, ZT-X, ZT-S1).
