ASTM D1287 Engine Antifreeze Coolant PH Meter / PH Value Tester
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
Application
◆ Testing department
◆ Manufacturer of engine coolant, antifreeze and rust inhibitor
Standards
◆ SH/T0069 Determination of Engine Antifreeze, Rust Inhibitor and Coolant pH
◆ ASTM D1287 Test Method for pH of Engine Coolants and Antirust Agents
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