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Home > Photometers > Portable Single Parameter Photometers

HI 96770

Silica, High Range, Portable Photometer

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  • User calibration
  • Certified calibration and verification standards
  • BEPS (Battery Error Prevention System)
  • TIMER function
  • Auto shut-off
  • GLP Features


Silica is found in all natural waters in the dissolved mineral form. Silica is only slightly soluble in water; solubility and therefore the form of silica in water depends on the pH level of the water and on the minerals containing silica in contact with water.

Silica’s presence in industrial applications is undesirable since it causes scale. In particular, high pressure turbines are highly effected by this factor.

Heating systems and reverse osmosis plants also require monitoring of silica.

HI 96770 measures silica (SiO2) content from 0 to 200 mg/L.


Order Information:
HI 96770 are supplied with sample cuvettes with caps (2 ea.), battery and instructions.
HI 96770C includes photometer, sample cuvettes with caps (2 ea.), 9V battery, scissors, cloth for wiping cuvettes, instrument quality certificate, instruction manual and rigid carrying case.

  • Specifications
  • Accessories
  • Downloads
Range   0 to 200 mg/L (as SiO2)
Resolution   1 mg/L
Accuracy   ±1 mg/L ±5% of reading @ 25°C
Light Source   light emitting diode
Light Detection   Silicon Photocell with narrow band interference filter @ 466 nm.
Method   adaptation of the USEPA METHOD 370.1 for drinking, surface and saline waters, domestic and industrial wastes and Standard Method 4500-SiO2 C
Environment   0 to 50°C (32 to 122°F); max 95% RH non-condensing
Power Supply   9V battery
Auto Shut-off   after ten minutes of non-use in measurement mode; after one hour of non-use in calibration mode; with last reading reminder
Dimensions   192 x 104 x 69 mm (7.6 x 4.1 x 2.7")
Weight   360 g (12.7 oz.)
HI 93703-50 Cuvette Cleaning Solution
HI 731318 Cuvette Cleaning Cloth
HI 731331 Glass Cuvette Set
HI 731335 Cuvette Cap for HI 957xx Series Meters

Manual: (Download)