เครื่องวัดกรดด่างแบบกันน้ำ  Water Resistant pH Meter
รุ่น HI98127 แบรนด์ HANNA

Description

- Water resistant, accurate and portable, this handy little pocket meter is a true go anywhere pH tester with replaceable electrode.
- The HI98127 has a dual LCD screen that displays pH and temperature readings simultaneously. The exposed temperature sensor provides fast response time and the replaceable pH electrode helps to prolong the life of the meter.
- This pocket pH tester is easy to use with a two button operation and offers 0.1 pH resolution and +/- 0.05 pH accuracy.
- Automatic buffer recognition and calibration
- Robust, replaceable electrodes
- Proximity of exposed temperature sensor to pH electrode guarantees greater accuracy in temperature compensated readings
- Calibrate directly with Hanna buffer solution sachets
- Battery % displayed on start up with battery error prevention system (BEPS) to support optimum operation

Specifications

Range - pH: -2.0 to 16.0 pH
Range - Temperature: -5.0 to 60.0°C / 23.0 to 140.0°F
Resolution - pH: 0.1 pH
Resolution - Temperature: 0.1°C / 0.1°F
Accuracy - pH: ±0.1 pH
Accuracy - Temperature: ±0.5°C / ±1°F
pH Calibration: automatic, at 1 or 2 points with 2 sets of memorised buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
Temperature Compensation: Automatic
Battery Type / Life: 4 x 1.5V with BEPS / approx. 300 hours of continuous use; auto-off after 8 minutes of non-use
Environment: -5 to 50°C (23 to 122°F); RH max 100%
Dimensions: 163 x 40 x 26 mm (6.4 x 1.6 x 1.0")
Weight: 100 g (3.5 oz.)