The pH model features:
- high precision portable multi parameter water quality analyzer, equipped with a large screen backlit LCD display.
1 - to 5 bit keys calibration, automatic recognition of pH standard buffer solution.
- optional pH buffer (USA/NIST/DIN) or 2 custom calibration.
The automatic electrode slope, suggesting that the current state of sensor.
Automatic calibration - calibration instrument to help users regularly remind.

The ORP model features:
1 - point offset calibration, allowing the user to adjust the display value to a known standard.
- relative or absolute mV measurement mode to provide accurate readings ORP.
Ion mode features:
2 - to 5 points up to 8 keys calibration, optional ion concentration calibration point.
- automatic identification of ion selective electrode, without specifying the type of ion.
Measurement of direct reading concentration - value, avoid cumbersome conversion and calculation.
- optional concentration units (ppm, mg/L, mol/L), to meet the diverse needs of ion measurement.

General characteristics:
The automatic temperature compensation, to ensure the high precision throughout the entire range.
- stable data icon, suggesting that the current status of automatic measurement.
Lock - Automatic end point measurement, keep a stable value for easy browsing or recording.
- manual temperature calibration, improve measure precision of temperature.
- optional units of temperature (~ C or ~ F), meet different national habits.
- automatic electrode diagnosis, consult the electrode zero offset range, or slope value.
Help message, as a simplified instrument application real-time operation guide.
- the system menu allows the user to customize the calibration point, display resolution, ion concentration, stability criteria, display resolution, the number of
According to the lock mode, automatic shutdown mode of 9 function parameters.
- one key reset (Reset), automatic recovery instrument to the factory default settings.
- extended memory can store up to 500 sets of measurements.
- built-in clock automatic marking data storage date, time to comply with the GLP specification.
USB communication interface to send data to a personal computer storage.
Multi - mode power supply scheme (battery, power adapter, computer USB port) guarantee smooth instrument application.