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| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | PreGASS-3500 |
| Instrument Type | Portable |
| Compliance | DL/T 1916–2018 |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GHK-4200 |
| Instrument Type | Portable |
| Detectable Gases | NH₃, Toxic Gases (broad-spectrum), O₂, Combustible Gases (LEL), H₂S, CO, CO₂ |
| Display | Color Touchscreen |
| Power | Rechargeable High-Capacity Lithium Battery (≥8 h continuous operation) |
| Data Storage | ≥5000 measurement records |
| Environmental Compensation | Integrated Temperature & Humidity Sensors with Real-Time Compensation Algorithm |
| Communication | USB & RS485 Interface for PC Data Transfer |
| Optional | Bluetooth Wireless Printing Module |
| Compliance | GB 12358–2006, GBZ/T 223–2009, GBZ 2.1–2007 |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | 3500 |
| Instrument Type | Portable |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) at Near-Infrared Wavelength |
| Sampling Method | Heated Extractive Sampling (220 °C Full-Path Heating) |
| Compliance | DL/T 1916–2018 |
| Brand | HUANKONG |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | HK3500 |
| Pricing | Upon Request |
| Instrument Type | Online Gas Analyzer |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) at Near-Infrared Wavelength |
| Sampling Method | Heated Extractive Sampling (220 °C Full-Path Heating) |
| Compliance Standard | DLT 1916–2018 |
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