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HZPH-1287 PH Value Tester
HZPH-1287 PH Value Tester
HZPH-1287 PH Value Tester

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); pHmVpHmV:(-19991999); 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


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