Product Overview
The MOEORW‑WJLS2 is an ultra‑compact hand‑held quantitative detector built upon dual‑wavelength NDIR non‑dispersive infrared spectroscopic technology, engineered for spot‑checking SF₆ leakage across power‑sector and industrial premises. A built‑in diaphragm pump draws sample gas autonomously; readings for SF₆ concentration, alert conditions and ambient parameters pop up on a high‑definition touchscreen. Its embedded data repository saves inspection logs, supports review and Type‑C USB export. At merely 0.8 kg net mass, field operators may conduct full‑site surveys single‑handedly. Featuring fast sensor feedback and robust anti‑disturbance capability, the unit cuts routine servicing workload, fitting gas‑insulated apparatus leak surveys plus factory‑site atmospheric monitoring tasks perfectly.
Technical Specifications
|
Parameter Item |
Technical Data |
|
Measuring Principle |
NDIR dual-wavelength infrared spectroscopy |
|
Measuring Range |
0 ~ 1000 μL/L (ppm) |
|
Resolution |
0.1 μL/L |
|
Maximum Working Pressure |
≤1.0 MPa |
|
Sampling Mode |
Built-in diaphragm pump automatic sampling |
|
Display Unit |
HD touch graphical LCD screen |
|
Power Supply |
Built-in lithium battery, ≥8 hours continuous runtime, Type-C charging interface |
|
Operating Ambient Temperature |
-30 ℃ ~ +50 ℃ |
|
Operating Humidity |
≤90% RH (non-condensing) |
|
Net Weight |
0.8 kg |
|
Data Function |
Automatic test report generation, USB-Type-C data export |
Core Functional Features
Mechanical & Layout Characteristics
Highly integrated palm‑fit construction; no auxiliary brackets required for one‑hand manipulation.
Universal Type‑C charging port, interoperable with mainstream industrial power adapters.
Independent hardware power toggle with unambiguous power‑on status indicators.
Dedicated exhaust port layout eliminates reverse‑flow interference from sampled air streams.
Dust‑repellent pre‑filter fitted at sensor inlet, lowering frequency of routine cleaning jobs.
Measurement‑Related Strengths
Full warm‑up cycle lasts 120 seconds (60 s device pre‑heating plus 60 s sensor auto‑calibration) securing reliable measuring precision.
High‑performance infrared sensing component delivers millisecond‑scale concentration response.
Separate audible alert on/off switch; users may tailor concentration trigger thresholds.
Built‑in ambient‑condition compensation module permits manual offset correction for measurement drift.
Radio‑isotope‑free hardware facilitates cross‑region transit and storage logistics.
Field‑oriented Practical Merits
Custom tags for inspected spots; inspection logs may be grouped by equipment serial ID for classified administration.
Supports deleting individual records or formatting the whole dataset to organize measurement archives flexibly.
Embedded clock synchronization stamps timestamp metadata onto every logged entry.
Calculates leakage rates following the sealed‑bag sampling methodology with matching computational formulas.
Optimized power‑consumption profile enables eight‑hour non‑stop on‑site survey missions.

Product Application
Rapid on‑site leakage screening for GIS assemblies, SF₆ circuit breakers and gas‑filled ring main cabinets.
Workshop atmospheric SF₆ concentration surveillance in manufacturing‑industry premises.
Day‑to‑day patrol checks for gas‑insulated switchgear carried out by utility operation‑and‑maintenance crews.
Quantitative SF₆ spill assessment jobs executed by third‑party environmental‑testing institutions.
Daily Maintenance & Operation Notes
1.Prevent heavy impact, falling and rainwater immersion; store in dry indoor environment;
2.Regularly clean the front-end probe filter to avoid oil and dust blockage of gas sampling pipeline;
3.Maintain battery residual power above 30% for long-term idle storage;
4.Normal calibration cycle: biennial full calibration; shorten cycle to 6 months under high-dust industrial conditions;
5.Full charging takes 2–3 hours; adapter red light represents charging state, green light indicates full charge with automatic overcharge protection.
FAQ
Q: The device fails to boot after long storage, how to troubleshoot?
A: Charge continuously for 30 minutes and reactivate the unit; inspect lithium battery aging if the issue persists.
Q: Constant false alarm occurs during measurement, what is the solution?
A: Re-execute zero-point calibration and check if ambient air contains residual SF6 gas.
Q: Data export via USB fails, how to solve?
A: Inspect USB-Type-C cable integrity and device interface contact status.
Q: Slow concentration response during testing, what causes this problem?
A: Clean the probe filter screen and avoid long-term operation under ultra-high temperature environment.
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