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Description
PORTABLE AMPHIBIOUS • NON-CONTACT RESCUE SAFETY
LSJ HX-TAC Portable Amphibious AC Voltage Detector
The LSJ HX-TAC lets rescue teams detect dangerous AC leakage in firewater, floodwater and collapse debris before anyone enters the hazard zone — non-contact sensing, instant sound-and-light warning, sealed for amphibious use.
IP67 Amphibious 90 dB Alarm @ 50 cm ≥ 10 h • USB-C Only 228 g
Its sensors continuously capture and differentiate AC electric-field signals, automatically detecting field and voltage intensity and adaptively processing signal strength — no probe, clamp or conductor contact required. The moment dangerous electric leakage appears, the HX-TAC raises an audible and visual alarm so crews can mark a defensible safe-area boundary.
Figure 1. The LSJ HX-TAC portable amphibious AC voltage detector, sealed for storm, flood and water-rescue environments.
The Hidden Hazard Rescue Teams Cannot See
Water and damaged wiring are a lethal combination. Electrified water gives no visible warning, and a single damaged cable can energize an entire flooded room. The HX-TAC exists to make that hidden risk visible:
!Fire-Damaged Circuits
Heat and firefighting water short building wiring, energizing walls, puddles and runoff with no visible sign.
!Flooded Electrical Rooms
Submerged cabinets and torn cables can leak mains voltage into floodwater across a basement or plant room.
!Open-Water Rescue
Downed power lines and shore equipment can electrify rivers, ponds and flooded streets during storms.
!Collapse Debris
Crushed conduits and severed cables in collapsed structures leave hidden live points around the search zone.
Non-Contact Detection Before You Step In
The HX-TAC reads the surrounding AC field through its sensing antenna and processes the signal adaptively, so weak fields are picked up without false alarms from background noise. Crews simply switch it on, select one of three sensitivity levels (High / Medium / Low), and sweep the approach path, water surface or debris pile. Escalating sound-and-light feedback lets teams mark a defensible safe-area boundary for search and rescue.
Figure 2. LSJ HX-TAC front view: 1.3-inch OLED display, one-key SOS control, power and lighting keys, and red visual-alarm light bars.
✓Non-Contact Real-Time Sensing
Ambient current leakage is sensed continuously — no direct contact with wires or water.
✓AC 45–65 Hz Coverage
Matches standard 50 / 60 Hz mains fields encountered by rescue teams worldwide.
✓Three Sensitivity Levels
High, Medium and Low modes for close tracing or wide perimeter screening.
✓Adaptive Signal Processing
Automatically detects field / voltage intensity and adjusts induction strength.
✓90 dB Sound-and-Light Alarm
Corner-mounted red light bars plus a buzzer reaching 90 dB at 50 cm.
✓SOS + Emergency LED
One-key distress function and rear white LED for downed-rescuer situations.
45–65
Hz
AC field frequency
90 dB
Alarm @ 50 cm
IP67
Sealed, amphibious
≥10 h
USB-C runtime
1.3-Inch OLED: Status at a Glance
A high-brightness 1.3-inch OLED LCD keeps critical information readable in smoke, darkness and daylight glare. Field-strength bars rise as the detector approaches the leakage source, so the operator can trace and isolate the hazard.
Figure 3. The 1.3-inch OLED presents electric-field strength bars, battery level, lighting status, sensitivity mode and SOS / motion state in one view.
Five live status items on one screen:
Battery Level Electric-Field Strength Leakage Strength Lighting Status Motion State
90 dB Alarm with One-Key SOS
When leakage exceeds the selected threshold, four corner light bars flash red while the buzzer reaches 90 dB at 50 cm — loud enough to cut through pump noise, fireground traffic and storm water. The dedicated one-key SOS control triggers an emergency distress signal, the rear-facing white LED provides emergency lighting, and a low-battery alert prevents silent failure mid-operation.
90 dB
Sound-and-light alarm volume measured at 50 cm
SOS
One-key distress call plus rear white-LED emergency light
Figure 4. In a flooded electrical room, the HX-TAC alarms on a live cable discharging into the water; the one-key SOS control is within immediate thumb reach.
IP67 Sealed and Amphibious by Design
The complete HX-TAC unit meets IP67 protection and is engineered for amphibious use — rain, spray, splash and temporary immersion in floodwater do not stop detection. Combined with a housing that survives a 1 m drop onto concrete, it is built for the wet, abrasive reality of drainage and water-rescue operations rather than bench use.
Figure 5. IP67-sealed housing allows amphibious operation in rain, spray and floodwater during water rescue and emergency drainage.
Hands-Free and Field-Proof
At just 228 g, the HX-TAC disappears onto a rescuer’s kit. Wear it on a chest lanyard where the screen stays visible, clip it to a shoulder strap with the heavy-duty rear belt clip, or hold it for active sweeps — both hands stay free for ropes, pumps and rescue tools.
Figure 6. Chest-lanyard and shoulder-clip wearing keep the HX-TAC visible and the rescuer’s hands free during operations.
Handheld
Active sweeps of the approach path and water surface
Chest Lanyard
Screen always in view during approach and demarcation
Belt / Strap Clip
Heavy-duty rear clip for shoulder straps and gear
The rear shell uses a screw-fixed sealed housing with a non-slip side grip and integrated clip, keeping the sealed body intact through repeated clipping, glove handling and field impacts — verified to survive a 1 m drop onto concrete.
Figure 7. Rear and side detail: heavy-duty belt clip, sealed screw-fixed housing and non-slip grip for confident gloved use.
Built for Four Rescue Scenarios
AC Voltage Detector FAQ
QWhat is the LSJ HX-TAC AC voltage detector?
AThe LSJ HX-TAC is a portable, amphibious non-contact AC voltage and electric-leakage detector for rescue services. Sensors capture and differentiate AC field signals at 45–65 Hz, with a 1.3-inch OLED display, a 90 dB sound-and-light alarm, one-key SOS, IP67 sealing and a 228 g wearable body.
QDoes the detector need to touch the wire or the water?
ANo. The HX-TAC performs non-contact, real-time sensing of the ambient AC electric field through its antenna. Operators sweep the approach path, water surface or debris from a safe distance; no clamp, probe or conductor contact is required.
QWhat frequency does it detect and can sensitivity be adjusted?
AIt covers AC 45–65 Hz, matching standard 50 / 60 Hz mains supplies, and offers three user-selectable sensitivity levels — High, Medium and Low — with adaptive induction-signal processing for close tracing or wide perimeter screening.
QIs the HX-TAC waterproof for water rescue and flood work?
AYes. The complete unit is rated IP67 and designed for amphibious use in rain, spray, splash and temporary immersion in floodwater, and it withstands a 1 m drop onto concrete.
QHow does the alarm warn the team?
AIt uses a combined audible and visual alarm: four corner red light bars flash while the buzzer reaches 90 dB at 50 cm. A separate low-battery alert warns when the rechargeable battery is running low.
QWhat emergency functions are included?
AA dedicated one-key SOS control triggers an emergency distress signal, and a rear-facing white LED provides emergency lighting. The OLED also reports motion state, supporting downed-rescuer awareness during operations.
QHow long does the battery last and how is it charged?
AThe built-in rechargeable 3.7 V polymer lithium-ion battery delivers at least 10 hours of continuous use (±10%) and charges through a USB Type-C interface. Power-on is a touch switch; power-off is a long press.
QHow much does it weigh and how is it carried?
AThe HX-TAC weighs 228 g (±10%) and measures 128.34 × 73.08 × 30.54 mm (±10%). It can be handheld, hung on a chest lanyard or clipped to a belt or shoulder strap for hands-free operation.
QCan fire departments and distributors order in bulk with custom branding?
AYes. The LSJ HX-TAC is supplied to fire services, rescue teams, municipal drainage units and international distributors. Contact the LSJ sales team with the model number HX-TAC, required quantity and delivery country for quantity pricing, delivery time and OEM / private-label options.
Put the LSJ HX-TAC in Every Rescue Kit
Non-contact AC leakage detection, IP67 amphibious sealing and a 90 dB sound-and-light alarm for fire, flood, drainage and collapse response.
Request the HX-TAC datasheet, quantity pricing, delivery time and OEM options
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