Description Introduction: The HI99141 Boiler and Cooling Tower pH Meter measurements. The specialized HI99141 electrode features a titanium body, flat tip, and porous PTFE junction making it perfect for the pH measurement of treated boiler, feed water, and steam condensate. ±0.02 pH accuracy Specialized for the direct pH measurement of boiler water or cooling tower water. Probe Condition An on-screen indicator provides visual confirmation that your probe is working at its best. Low Battery Indicator The included batteries provide 1200 hours of continuous use. Specification Detail sku HI99141 pH Range -2.00 to 16.00 pH / -2.0 to 16.0 pH pH Resolution 0.01 pH / 0.1 pH pH Accuracy @ 25°C / 77°F ±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) mV Range ±825 mV (pH-mV) mV Resolution 4 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 @ 25°C / 77°F ±0.5 °C up to 60 °C ±1.0 °C outside ±1.0 °F up to 140 °F ±2.0 °F outside Temperature Compensation Automatic -5.0 to 105.0 °C/23.0 to 221.0 °F Power Supply 1.5V AAA batteries (3 pcs.) Power Consumption approx. 1400 hours of continuous use Environment 0 to 50°C (32 to 122°F) RH max 100% Dimensions s 154 x 63 x 30 mm (6.1 x 2.5 x 1.2in.) Weight 199 g (6.91 oz.) with batteries Ordering Information Each meter is supplied complete with: • HI729113 preamplified pH probe with built‑in tem‑ perature sensor and matching pin, DIN connector with 1m (3.3′) cable • pH 4.01 & 7.01 Buffer sachet • HI700601 Electrode cleaning solution (2 sachets) • 100 mL beaker (1 pc.) • Alkaline batteries: 1.5V AAA (3 pcs.) • Rugged carrying case • Calibration certificate of meter • Calibration certificate of probe • Instruction manual Warranty 2 years Recommended Probe HI729113, preamplified pH probe with built‑in temperature sensor and matching pin (included)
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