4x20ml, Storage + pH 4 + 7 + 10 Buffer Calibration/Solution/Fluid/Probe/Tester water quality pen Plumbing required: None

Plumbing required: None

2% volume and ±0

Temperature accuracy: ±0

Optimized formulation: Concentrated potassium chloride solution designed specifically for polarographic DO sensors

4x20ml, Storage + pH 4 + 7 + 10 Buffer Calibration/Solution/Fluid/Probe/Tester water quality pen Plumbing required: NoneDesign Features Sachet packaging means that you get fresh solution every time Each sachet sealed against light and air Ideal for infrequent or field use Simply open the sachet, insert the tester or electrode and gently stir pH buffers certified to 0. 01 pH accuracy Each sachet contains 20 mL of solution Included 1 x pH 4. 01 calibration buffer solution sachets (20 mL) 1 x pH 7. 01 calibration buffer solution sachets (20 mL) 1 x pH 10. 01 calibration