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Hanna Instruments – HI99131 Plating pH Portable Meter

The HI99131 Plating pH Portable Meter is a rugged, IP67 waterproof pH meter designed for plating and industrial applications. It features a titanium-bodied, maintenance-free, gel-filled pH probe with internal temperature sensor and quick-connect DIN. The meter offers automatic one- or two-point calibration, Automatic Temperature Compensation (ATC) from -5 to 105°C, and a Battery Error Prevention System (BEPS). Compact, reliable, and easy to use, it comes complete with buffers, cleaning solutions, beaker, batteries, and rugged carrying case.

  • Titanium-bodied, unbreakable HI629113 pH probe
  • Automatic Temperature Compensation (-5 to 105°C)
  • One- or two-point automatic calibration
  • BEPS for low battery alerts; IP67 waterproof design

Description

The HI99131 is a professional portable pH meter engineered for plating applications and challenging environments. Its titanium probe construction ensures unbreakable durability while providing fast thermal response via the internal temperature sensor. The gel-filled electrode design eliminates the need for a fill solution, minimizing maintenance. Automatic one- or two-point calibration using standard pH buffers ensures accurate readings across the full pH range (-2.00 to 16.00).

Equipped with Automatic Temperature Compensation (ATC) from -5 to 105°C, the meter corrects pH readings for sample temperature variations automatically. The HI629113 probe connects via a quick-connect DIN connector, and the meter features a Battery Error Prevention System (BEPS) to prevent unreliable readings due to low battery. Compact, lightweight, and waterproof (IP67), the HI99131 comes with all necessary accessories including pH buffers, cleaning solutions, beaker, batteries, calibration certificates, instructions, and a rugged carrying case, making it ready for both lab and field use.

Features

  • Unbreakable Titanium Probe: HI629113 titanium-bodied, pre-amplified pH probe with internal temperature sensor, gel-filled, quick-connect DIN, 1 m cable.
  • Automatic Temperature Compensation (ATC): -5 to 105°C / 23 to 221°F for accurate readings regardless of sample temperature.
  • One- or Two-Point Automatic Calibration: Calibrate using standard buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18).
  • BEPS (Battery Error Prevention System): Alerts user if batteries are too low to ensure reliable measurements.
  • Maintenance-Free, Gel-Filled Electrode: No fill solution required; durable and ready-to-use.
  • Compact, Rugged & Waterproof: IP67 housing, lightweight 205 g, suitable for harsh environments.
  • Display & Help Features: Battery percentage displayed on start-up; HELP feature provides tutorial messages on LCD.
  • Complete Kit: Includes pH probe, buffer solutions, electrode cleaning solutions, 100 mL beaker, batteries, instruction manual, calibration certificates, and rugged carrying case.

Specifications

SKU HI99131
Product Name Plating pH Portable Meter – HI99131
Quote Required Yes
pH Range -2.00 to 16.00 pH; -2.0 to 16.0 pH
pH Resolution 0.01 pH; 0.1 pH
pH Accuracy ±0.02 pH; ±0.1 pH;
pH Calibration automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
pH Temperature Compensation Automatic ‐5.0 to 105.0 °C/23.0 to 221.0 °F
pH CAL Check (electrode diagnostics) Probe condition indicator
mV Range ±825 mV (pH‐mV)
mV Resolution 1 mV (pH‐mV)
mV Accuracy ±1 mV (pH‐mV)
Temperature Range -5.0 to 105.0°C / 23.0 to 221.0°F
Temperature Resolution 0.1°C / 0.1°F
Temperature Accuracy ±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)
pH Electrode HI629113 titanium body, pre-amplified pH probe with internal temperature sensor, quick connect DIN connector and 1 m (3.3’) cable (included)
Automatic Shut-Off user selectable
Battery Type/Life 1.5V (3) AAA / approximately 1400 hours of continuous use
IP Protection IP67
Environment 0 to 50°C (32 to 122°F); RH max 100%
Dimensions 152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight 205 g (7.2 oz.)
Ordering Information HI99131 is supplied with HI629113 pH probe, HI70004 pH 4.01 buffer solution sachet (1), HI70007 pH 7.01 buffer solution sachet (1), HI700601 electrode cleaning solution sachets (2 x 20 mL), 100 ml beaker, batteries, instructions, calibration certificates for the meter and probe, and rugged carrying case.

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