Wrist Strap Online Monitor SMT Cleanroom Anti Static Wrist Checker
개요:
If you rely on wrist straps for ESD protection, you’ve probably wondered: how do I know it’s working right now, this very second? Periodic testing only tells you it was working at the time of the test—but what about the rest of the shift? That’s the gap a Wrist Strap Online Monitor fills. It connects to your existing strap and continuously checks the ground path, instantly alerting you if the connection breaks, the cord fails, or skin contact becomes poor. Many operators appreciate that a Wrist Strap Online Monitor removes the need for hourly self‑checks, freeing them to focus on the job.
For a more technical perspective, a Wrist Strap Continuous Monitor does exactly the same thing—the two names are often used interchangeably—but the idea is consistent: real‑time, uninterrupted supervision of the operator’s grounding integrity. With both audible and visual alarms, a Wrist Strap Continuous Monitor ensures that any fault is caught the moment it occurs, not during the next audit. Whether you call it an online monitor or a continuous monitor, the benefit is clear: it removes human error from the testing routine and gives you confidence that every minute of production is truly ESD‑safe.
Technical Specification
| Model | 3W-7851 One Service Position | 3W-7852 Double Service Position |
| Function | 1.4MΩ ±5% | 1.4MΩ ±5% |
| Power Supply | AC 6V, 0.3A | AC 6V, 0.3A |
| Power Consumption | 1.8W | 1.8W |
| Size (L×W×H) | 63×60×28 mm | 110×60×28 mm |
| Weight | 250g | 310g |
Notice：Excluding Wrist Strap
세계 최고 수준의 ESD 제조 역량
삼웨이(Sanwei)에서 소싱하시면, 업계 선두의 OEM/ODM 제조업체와 직접 파트너십을 맺게 되는 것입니다. 당사는 최첨단 70,000제곱미터 이상 규모의 통합 생산 시설 저장성 웨칭 중앙 산업단지에서 독자적인 소재 배합부터 최종 고정밀 제품 성형에 이르기까지 모든 공정을 관리합니다.
통합 저울
7만 제곱미터 이상의 첨단 공장 기지에 대형 정밀 사출기를 갖추어, 안정적인 납기로 대량 도매 주문을 처리합니다.
전 과정 제어
독자적인 정전기 방지 소재 연구개발, 구조용 금형 엔지니어링, 자동화 제조, 그리고 신속한 글로벌 물류 배송에 이르는 완벽한 자체 통합 제어.
엄격한 검사
엄격한 원자재 검사 및 생산 라인에서의 다점 표면 저항률 측정을 통해 100% 제품이 국제 ESD 표준 지침을 준수함을 보장합니다.
정전기 방지 제품 및 솔루션
제조 및 운영 수명 주기 전반에 걸쳐 포괄적인 정전기 보호를 제공합니다.
SMT 장비
자동화 라인용 제전 수납함 및 랙.
보관 및 물류
대차, 선반, 상자, 트레이 및 부품 용기.
작업대 및 개인 보호 장구
정전기 방지 의자, 매트, 손목 스트랩 및 개인 보호구.
맞춤형 개발
맞춤형 금형 개발 및 특수 제전 소재.
당사의 OEM/ODM 장점
첨단 R&D 및 소재 혁신
국가 발명 특허를 보유하고 최대 200℃의 내열성을 갖춘 자체 개발 대전방지 소재. 당사는 단순 성형에 그치지 않고 컴파운드를 직접 배합합니다.
양산 능력
안정적이고 효율적인 공급을 위해 완전 사출 성형, 조립 및 부대 가공 시스템을 갖춘 30,000㎡ 규모의 공장.
전 과정 맞춤 제작
재질 저항률, 색상, 크기, 로고, 포장 및 인증 — IEC61340-5-1, ANSI/ESD S20.20 또는 군사 규격에 맞게 맞춤 제작 가능합니다.
공인된 품질 및 글로벌 컴플라이언스
“산웨이는 반도체 조립 라인을 위한 맞춤형 고내열성 클린 내추럴 컬러 트레이를 성공적으로 개발하여 수입 제품을 대체하고, 우수한 ESD 안전성을 확보하며, 작업장의 높은 청정도 요구 사항을 충족했습니다.”
글로벌 포춘 500대 업계 리더들이 신뢰하는 기업
당사의 독자적인 ESD 솔루션은 다음을 포함하여 전 세계의 우수 생산 시설에 구축되어 있습니다. 인텔, 모토로라, 지멘스, IBM, 파나소닉, 노키아, 델.
맞춤 제작 사이즈나 대량 도매 가격을 찾고 계신가요?
당사의 강력한 자체 R&D 팀을 바탕으로, 싼웨이는 귀사의 특정 SMT 생산 라인 또는 창고 레이아웃에 맞춤화된 완전한 OEM/ODM 옵션을 제공합니다. 맞춤형 금형, 색상 코딩 또는 통합 5S 보관 컨설팅을 위해 지금 당사 전문가에게 문의하십시오.
자주 묻는 질문 (FAQ)
1. What is a wrist strap continuous monitor?
A wrist strap continuous monitor is a device that constantly checks the grounding integrity of an operator’s ESD wrist strap throughout the entire work shift. Unlike periodic testers that only check at the start of a shift, a continuous monitor provides real‑time, uninterrupted verification that the wrist strap and ground path remain intact. If any part of the loop fails—whether due to a broken cord, poor skin contact, or a loose connection—the monitor triggers an audible and visual alarm instantly.
2. What is the difference between a continuous monitor and a periodic wrist strap tester?
A periodic tester (often called a “touch tester”) checks wrist strap resistance at a single point in time—typically at the beginning of a shift. A continuous monitor, on the other hand, verifies the wrist strap and ground path in real time throughout the entire work shift. The key difference is that periodic testing can only tell you the strap was working at the moment of the test; a continuous monitor catches failures the instant they occur, eliminating the gap where a component could be exposed to ESD. ANSI/ESD S20.20 allows either approach, but continuous monitoring provides a higher level of protection for sensitive devices.
3. How does a wrist strap continuous monitor work?
A continuous monitor works by sending a low‑voltage signal through the wrist strap and the operator’s body to ground. It continuously observes the resistance (or impedance) of the loop, which consists of the monitor, the cord, the wristband, and the person. If any part of this loop opens—becoming disconnected or exceeding the acceptable resistance limit—the circuit detects the change and triggers an alarm. Different monitors use different technologies: capacitance‑based, impedance‑based (wave distortion), or resistance‑based (dual‑wire) systems.
4. What causes a wrist strap continuous monitor to alarm?
A continuous monitor typically alarms due to a faulty wrist strap cord, poor contact between the wristband and the operator’s skin, a loose worksurface mat connection, or a grounding/electrical wiring problem. Other causes can include dry skin, wearing the band incorrectly, or a failing solder connection in the cord. In some cases, an electrostatic field present in the environment can also trigger the alarm. The alarm is designed to alert the operator immediately so the issue can be corrected before any ESD‑sensitive components are exposed to risk.
5. Is a wrist strap continuous monitor compliant with ANSI/ESD S20.20?
Yes. Continuous monitors meet the continuous monitoring requirements of ANSI/ESD S20.20. Per ESD‑S1.1 Annex A.3, “Daily (wrist strap system) testing may be omitted if constant monitoring is used”. Additionally, continuous monitors satisfy the ISO and ANSI/ESD S20.20 test logging requirements by their very function—they eliminate the need for users to manually test wrist straps and log the results. This makes them a cost‑effective way to maintain compliance while providing superior protection.
6. What is the ParkSnap feature on a continuous monitor?
ParkSnap is a convenient feature that allows the operator to disconnect and “park” their wrist strap when leaving the workstation without triggering a false alarm. The operator touches the ParkSnap or park delay switch, and the monitor’s audible alarm disables for approximately 8 seconds—giving the operator enough time to remove the wrist strap and attach it to the ParkSnap connector. This places the monitor into standby mode while the operator is away, and the alarm automatically re‑activates when the wrist strap is reconnected. It eliminates the nuisance of false alarms during breaks or when operators need to temporarily leave their workstations.
