DEA | DF9032 Thermal Expansion Monitor

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Thermal Expansion Monitor

• Type / Part: Thermal Expansion Monitor Instrument
• Model / Part Number: DF9032
• Range: 0–50 mm
• Input Voltage: AC 90–265 V
• Working Frequency: 50–60 Hz
• Maximum Current: 0.3 A
• Brand / Manufacturer: Chengdu Dongneng Auto-Control Technology Engineering Co., Ltd.

I. Introduction to the DF9032 Dual-Channel Thermal Expansion Monitor:

☆ True programmable instrument

☆ Truly maintenance-free instrument

☆ A truly multi-functional instrument panel

II. Performance Indicators:

▲ Standard tray-mounted desktop metal (or ABS plastic) chassis.

▲ ABS frame, flexible film panel.

▲ The RS232 serial port is used for programming configuration;

Communication speed: 19200bits/S .

▲ Power supply: The instrument can operate stably within an input power range of 90 to 265VAC ;

The rated power consumption is 7.5 watts .

▲ Signal Input: Connects to two LVDT sensor input signals;

Provide excitation signals to the two sensors;

Signal source amplitude: 6 Vp-p .

Signal source frequency: 1000Hz .

▲ Measurement range: Digitally programmable , any range can be selected;

Measurement accuracy is better than ± 1% (full scale).

▲ Display: Ultra- bright red LED digital display;

Digital display accuracy: ±1 digit .

▲ Measurement frequency range: 0 ～10 Hz .

▲ Record output: Standard current and voltage, both with output short-circuit protection function.

4–20 mA or ( 0–10 mA ) , load capacity ≥ 500 Ω

1 to 5V or (0 to 10V ), current output capability ≥30 mA .

▲ Buffered sensor signal output: It has short-circuit protection function and output impedance of 100 Ω.

▲ Relays: Four sets of relays, each with one set of contact outputs (normally closed, neutral, normally open);

The relay output function is determined by software programming;

Contact output capacity: AC110V~AC240V , 2A

▲ Usage environment: Temperature: 0 ～55 ℃;

Relative humidity: not greater than 95% , no condensation .

▲ Panel dimensions: 160mm × 80mm ; Chassis depth: 200mm

▲ Mounting opening dimensions: ( 151 ± 0.5 ) mm × (76 ± 0.5 ) mm

▲ Weight: ≤ 2Kg

III. Selection Instructions:

The DF9032 dual-channel thermal expansion monitor is available in three measuring ranges: 0-35mm, 0-50mm, and 0-80mm.

IV. Installation Instructions:
A. Drill mounting holes in the instrument panel: (152±1mm) x (76±0.5mm);
B. Remove the instrument mounting strip and insert the instrument into the mounting hole from the front of the dial;
C. Insert the instrument mounting strip from the rear of the instrument, close to the back of the dial;
D. Secure the mounting strip with screws from the rear end to firmly fix the instrument to the instrument panel.

V. Applications:
• Steam Turbines: Monitoring casing expansion during startup/shutdown.
• Industrial Valves: Position and stroke monitoring.
• Power Plants: Prevents misalignment and mechanical stress in rotating machinery.