Description
Overview
The GAOTek-GALD-190 is a newly developed high-end device featuring an aluminum alloy casing, it offers significant improvements in performance and specifications. Equipped with a brand-new, imported sensor and a 32-bit low-power processor, the detector ensures superior performance. The circuit employs a 4-layer design for enhanced weak signal processing and interference resistance. With a dedicated high-precision imported AD chip and a unique signal processing algorithm, the measurement accuracy is more stable and precise. It features a 2.5-inch dot-matrix display for intuitive and elegant readings. The state-of-the-art design guarantees unparalleled durability, making it suitable for use in various hazardous industrial environments.
Feature
- Durable Build: Aluminum alloy casing with a full-metal rose gold finish for a premium feel.
- Built-in High-Performance Pump: Provides stable flow and can be turned on/off as needed.
- User-Friendly Navigation: Five-key navigation buttons with an intuitive user interface.
- Large Data Storage: Capable of storing up to 100,000 data records.
- Accurate Measurement: Intelligent algorithm with multi-point calibration and temperature compensation.
- Long Battery Life: Powered by a 2500mAh high-capacity lithium battery, offering over 20 hours of continuous operation.
- Flexible Units: Multiple units available, including %VOL, %LEL, mg/m³, ppm, pph, and ppb.
- Audible and Visual Alarm: Alerts when concentration exceeds safety thresholds.
- Self-Check Function: Automatically checks the status of sensors and components at startup.
- High-Quality Sensor: Imported high-performance sensor with a long service life.
Technical Specifications
| Specification | Details |
| Detectable Gas | Helium |
| Dimension | 135x65x36mm (LxWxH) |
| Weight | About 0.46Kg |
| Material | Aluminium alloy |
| Display Mode | Matrix LCD display |
| Backlight | High light LED |
| Alarm Mode | LED, buzzer alarm |
| Protection Grade | IP65 |
| Working Temperature | -20℃ ～ 50℃ |
| Working Humidity | 15% ～ 95% Relative Humidity (Standard) |
| Concentration Unit | %VOL, %LEL, ppm, mg/m³ |
| Testing Method | Pump Suction |
| Detection principle | Electrochemical, infrared, PID, heat conductance, capacity combustion. |
| Display mode | 2.5-inch lattice LCD screen display |
| Alarm mode | Sound and light alarm, two color LED alarm, sound≥75dB@25cm |
| Precision | ≤±3% （ actual concentration, higher precision is determined according to the sensor performance） |
| Preheat time | ≤60s |
| Output signal | USB date storage （optional） |
| Wireless data transfer 、printer (optional） | |
| Material of body | Shell ：aluminum alloy, strong, resistant to abrasion and corrosion, |
| Gas cell ： High strength wear-resisting and corrosion-resistant
aluminum profiles |
|
| Sampling method | Pump suction /diffusion type |
| Working humidity | ≤95%RH，no condensation (humidity>90%RH, condensation can be equipped with filters） |
| Working voltage | Performance imported core lithium battery, nominal voltage：3.7VDC，2500mAh |
| Charge | Travel charger with USB port, USB power supply DC5V,
charging temperature range: 0℃ ~ 40℃ |
| Charge time | ≤6 hours ，full charge 12hours |
| Continuous working | ≥12hours （Electrochemical sensor at room temperature） |
| Power dissipation | 0.5W |
| Working pressure | 86kPa~106kPa |
| Explosion proof grade | Exd ib IIC T4 Gb |
| Standard | GB15322.1-2003, GB3836.1-2010, GB3836.2-2010, GB3836.4-2010，GB12358-2006 |