I. Model Code (350500-XX-XXXX-XX-XX)

According to the standard 350500 structure:

350500: Dynamic Pressure Charge Amplifier (DPCA)

01: Input Sensitivity = 8 pC/psi (116 pC/bar)

0000: Filter/Gain Combination = Standard (Low Pass + Standard Gain)

01: Output Sensitivity = 100 mV/psi (1.45 V/bar)

01: Installation/Connection = DIN Rail, MIL Connector

II. Core Parameters

1. Input (Compatible with High Temperature Pressure Transducer)

Input Sensitivity: 8 pC/psi (116 pC/bar)

Input Impedance: ≥ 10¹⁴ Ω

Maximum Input Charge: ±5000 pC

Sensor Type: High Temperature Piezoelectric (e.g. 330400 Series)

2. Output

Output Sensitivity: 100 mV/psi (1.45 V/bar)

Output Impedance: < 100 Ω

Frequency Response: 2 Hz ~ 10 kHz (-3dB)

Range: 0–50 psi pk (0–3.45 bar pk)

Accuracy: ±2% @ 150 Hz

3. Electrical

Power Supply: –24 VDC (±10%), approximately 20 mA

Power Consumption: ≤ 0.5 W

Interface: Compatible with Bently Eddy Current Preamplifier (–24V, Common, Signal)

4. Mechanical and Environmental

Size: 88 × 36 × 70 mm

Weight: Approximately 0.24 kg

Installation: DIN Rail

Operating Temperature: 0°C ~ +65°C

Storage Temperature: –40°C ~ +85°C

Humidity: 5%–95% RH (No Condensation)

Protection: IP65 (Front Panel)

III. Typical Accessories

Sensor: 330400 Series High Temperature Piezoelectric Pressure Sensor

Monitor: 3500/64 Dynamic Pressure Monitor

Extension Cable: Low Noise Special Cable (5m/9m)

IV. Key Features

High Temperature Compatibility: Designed for high-temperature environments of gas turbines

Low Noise: Low-noise design of the charge amplification stage

Standard Interface: Directly compatible with 3500 system, no conversion required

Long-term Stability: Drift < 0.1%/ Year, suitable for long-term online monitoring