Model: YHS7.4 Description: YHS7.4 Mining Intrinsic Safe Water Analyzer MA: MFA170018 ExibI: CMExC16.4627 Introduction: 1. Fast analysis underground water quality by using chemical method. 2. The system with intelligent identification info analysis function judges underground water type and recharge source. 3. Fast analysis recharge water source basing on analyzers water quality testing result. 4. Its significant to mining water filling condition and water hazard control to improve safety productions efficiency. Technology parameters: 1. Light source: super bright LED 2. Wave length: 380/430/470/520/538/595/630nm (alternative) 3. Luminosity range: 0.000~2.000Abs 4. Stability: 0.005Abs/h 5. Detector: integrate photoelectric sensor 6. Sample room: 16mm inner diameter, cylindrical glass colorimetric bottle and 5cm glass colorimetric dish. 7. Keyboard: touch micro switch. 8. Power: AC 220V ± 22V, 50Hz ± 1Hz. 9. Battery: built-in rechargeable battery, 7.2V 1.0Ah 10. Power: 5W 11. Working environment: 5~40