Hanna Calcium Photometer

Hanna Calcium Photometer HI758

Product Overview

The Hanna Calcium Photometer HI758 is a compact digital instrument designed for measuring calcium levels in marine aquariums. It provides a colorimetric testing method with digital readout to support accurate calcium monitoring in reef and saltwater systems.

The handheld device combines portable design with straightforward operation for routine aquarium water testing.

Key Features

Digital calcium photometer for marine aquariums.
Measurement range: 200–600 mg/l (ppm).
Zincon colorimetric measurement method.
Compact handheld design.
Single-button operation.
Large digital display.
Automatic shut-off function.
Lightweight construction.

Benefits

Provides clear digital calcium readings.
Reduces subjective interpretation of colour tests.
Supports stable reef aquarium water chemistry monitoring.
Portable device suitable for routine testing.

Specifications

Model: HI758
Measurement Range: 200–600 mg/l (ppm)
Resolution: 1 mg/l (ppm)
Accuracy: ±5% of reading
Method: Zincon colorimetric method
Light Source: LED @ 610 nm
Detector: Silicon photocell
Power Supply: 1 × 1.5 V AAA battery
Auto Shut-Off: After approximately 1 minute of inactivity
Dimensions: 81.5 × 61 × 37.5 mm
Weight: 64 g
Application: Marine aquariums

Package Contents

HI758 photometer unit
2 cuvettes with lids
Starter reagent kit
AAA battery