เครื่องวัดคลอรีน Ultra Low Range Free Chlorine
รุ่น HI762 แบรนด์ HANNA 

Description

- Testing is quick and easy
- High precision results - more accurate than chemical test kits
- Auto shut-off feature means the Checker cannot be left on by mistake
- Fully portable, fitting easily into both palm and pocket
- Ideal for Swimming pools and spas Fruit, vegetable and salad washing Disinfection

Specification

Range: 0 to 500 ppb
Resolution: 1 ppb
Accuracy @ 25°C: ±4% of reading ±20ppb
Light Source: LED @ 525 nm
Light Detector: Silicon photocell
Environment: 0 to 50°C; RH max 95% non-condensing
Battery Type: (1) 1.5V AAA
Auto-off: After 10 minutes of non-use
Dimensions: 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5")
Weight: 64 g
Method: adaptation of USEPA method 330.5, DPD method
Ordering information: supplied with sample cuvettes with caps (2), free chlorine reagent starter kit (reagents for six tests), battery, instructions and quick start guide.