I. Instrument Introduction

The HSY-4297A Power Oil Sludge Precipitation Tester is designed and manufactured in accordance with DL∕T 429.7－2017 "Determination of Sludge Precipitation in Power Oils." It is suitable for measuring sludge precipitation in transformer oil, turbine oil, and phosphate ester fire-resistant fluid, and can be used to determine the total content of sludge and sediment in oil. Equipped with an oil-free maintenance-free vacuum pump and a metal bath constant temperature funnel, all functions are integrated into one main unit, eliminating the need for external vacuum pumps or water baths, making it energy-efficient and environmentally friendly.

II. Main Functions and Features

1. 7-inch color touch screen with a resolution of 800×480, providing an aesthetically pleasing and user-friendly interface.

2. Utilizes a 32-bit microprocessor as the main control core, featuring a new generation of graphical intelligent operating system with built-in user instructions.

3. Built-in formulas for automatic calculation of test results, with the capacity to store 90 sets of test data.

4. Two independent PID temperature control channels for precise regulation of the constant temperature funnel.

5. Employs an integrated oil-free maintenance-free vacuum pump with program-controlled減壓抽濾 (pressure reduction filtration).

6. Specially designed vacuum pump structure ensures that even if oil samples are drawn into the pump, the instrument remains undamaged, minimizing accidental losses.

7. Compact design, occupying only 1.5 A4 paper sizes of desktop space.

8. RS232 interface for connectivity to LIMS systems.

III. Technical Specifications

1. Display: 7-inch LCD, resolution 800×480

2. Temperature Control Range: Room temperature to 99°C

3. Temperature Control Accuracy: ±0.2°C

4. Resolution: 0.1°C

5. Rated Power: 400 W

6. Dimensions: 320×300×425 (unit: mm)

7. Weight: 8 kg

IV. Operating Conditions

1. Ambient Temperature: 10°C to 40°C

2. Relative Humidity: <80%

3. Input Power: AC220V±10V, 50Hz