I. Instrument Overview

The HSY-7305E Petroleum and Synthetic Fluid Demulsibility Tester adopts a 32-bit MCU, features a 7-inch large-screen LCD display, an integrated body, and a stable lifting and stirring structure. It offers the advantages of easy operation and simple maintenance. It is suitable for GB/T 7305-2003 "Determination of Demulsibility Characteristics of Petroleum Oils and Synthetic Fluids" and GB/T 7605-2008 "Determination of Demulsibility of In-Service Turbine Oils".

II. Main Functions and Features

1. 7-inch color touch screen with 800×480 resolution, providing a simple and user-friendly human-machine interface.

2. Utilizes a high-precision Pt100 temperature sensor with PID automatic temperature control and supports temperature calibration.

3. Automatic operation of stirring paddle lifting, stirring, temperature control, and timing.
4. Automatic timing after stirring ends, supports 4 sets of timing.
5. High-performance stirring motor with adjustable speed and calibration capability.
6. Automatic lifting of the stirring arm, enhanced collimation structure, ensuring stable and fast lifting.

7. Built-in LED soft light for easy observation.

8. Equipped with an RS232 interface for direct data upload to LIMS systems.

9. Optional accessories: RJ-45 Ethernet port, USB interface, Bluetooth interface.

III. Technical Specifications

1. Applicable standards: GB/T 7305-2003 "Determination of Demulsibility Characteristics of Petroleum Oils and Synthetic Fluids"

GB/T 7605-2008 "Determination of Demulsibility of In-Service Turbine Oils"

2. Temperature control method: Digital PID control

3. Temperature measurement: Pt100 platinum resistance sensor

4. Temperature control range: Room temperature ~100 °C

5. Temperature control accuracy: ±0.01 °C

6. Timing range: 0~99 minutes

7. Stirring speed: 1500±15 r/min

8. Number of test holes: 4

9. Rated power: 1600W

10. Dimensions: 530×350×470 (mm)

11. Weight: 25 kg

IV. Operating Conditions

1. Ambient temperature: 5°C to 40°C

2. Relative humidity: <80%

3. Input power: AC220V±10V, 50Hz