I. Feature 

◆ Automatic correction. The correction program can be started through the combination key to effectively avoid the loss of correction data due to misoperation.

◆ Up to 3 groups of standard solutions can be selected, which are suitable for the use habits of various countries.

◆ Display the electrode status and slope, and remind the electrode usage at any time.

◆ Automatic end point locking function to eliminate manual reading error.

◆ Be able to measure pH, redox potential and ion concentration with standard curve method.

◆ Automatic and manual temperature compensation intelligent switch.

◆ The calibration data can be maintained for 10 years after shutdown.

◆ Equipped with digital interface RS-232

II. Application

◆ Testing department

◆ Manufacturer of engine coolant, antifreeze and rust inhibitor

III. Standards

◆ SH/T0069 Determination of Engine Antifreeze, Rust Inhibitor and Coolant pH

◆ ASTM D1287 Test Method for pH of Engine Coolants and Antirust Agents

IV. Technical data

Accuracy:0.01 class

Measuring range pH: (- 2.00~16.00); pHmV：pHmV：（-1999～1999）； MV temperature: - 5.0 ～ 105.0 (℃)

Basic error pH: ± 0.01 mV: 0.1% (FS) Temperature: 0.3 (℃)

Input impedance 3 × 1012Ω

Stability ± 0.01

Temperature compensation range 0~100 (℃)

Power supply AC110 ～ 230 (V)

Net weight 2KG