HI-991003 is a lightweight, durable, portable, pH/ORP and temperature meter for pH and ORP measurements encountered in recreational waters (swimming pools and spas), plating baths, water treatment, manufacturing and environmental testing applications. The meter is supplied with the HI-12973 rugged probe protected with a titanium body specially designed for use on this meter. The pH range is limited from 0 to 13pH and the temperature range from 0 to 80°C (32 to 176°F) using HI-12973 probe.

• Simultaneous pH, ORP and temperature measurements on a large three-line LCD display
• Automatic pH calibration at one or two points within two memorised buffer sets (standard or NIST)
• User friendly two button design
• Selectable temperature unit (°C)
• Electrode condition indicator
• mV of pH measurement for electrode check
• HI-12973 dedicated pH/ORP with integral temperature sensor
• Probe quick connect system
• Battery life indication and low battery detection
• Keystroke confirmation tone
• Auto-off function
• Waterproof casing IP67
• Supplied with:
• HI-12973 preamplified pH/ORP with internal temperature sensor, DIN connector and 1m cable
• pH 4.01 & 7.01 buffer sachet
• 2 x HI-700601 general electrode cleaning solution sachets
• 100mL beaker
• 3 x alkaline batteries: 1.5V AAA
• Rugged carrying case
• Calibration certificates of meter and probe
• Instruction manual