Range: 0 - 200 ppm
Resolution: 1 ppm
Accuracy: ±2 ppm ±5%
Light source: LED @ 470 nm
Light Detector: Silicon photocell
Method: Adaptation of the USEPA method 370.1 for drinking, surface and saline waters and Standard Method 4500-SiO₂ C for domestic and industrial waters.
Environment:0 - 50°C
Battery Type: (1) PIN 1.5V AAA
Auto-off: After ten minutes of non-use
Dimensions: 81.5mm x 61mm x 37.5mm
Ordering Information: HI770 Checker® is supplied with (2) sample cuvettes with caps, silica HR reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide.
Option: HI770-25 Silica High Range Checker Reagents, HI770-11 Silica High Range Checker HC® Calibration Check Set, HI731318 Microfiber Cloth for Wiping Cuvettes (4)