1. General Information

• Manufacturer: Bently Nevada (Baker Hughes)

• Full Part Number: 1900/65A-01-00-01-00-00

• Product Name: General Purpose Equipment Monitor

• Series: 1900 Compact Monitoring Series

• Module Type: Standalone DIN Rail Mount Monitor (Non-rack type)

• Application: Independent vibration, temperature and position monitoring for fans, pumps, blowers, small compressors and auxiliary rotating machinery; simple protection without large 3500 rack system.

• Part Code Definition: 01=Display equipped | 00=DC Power 18-36VDC | 01=DIN Rail Mount

• Compliance: API 670, CE, CSA

2. Functional Description

• Channel Configuration: 2 dynamic signal channels + 4 temperature input channels

• Supported Sensors: Proximity probe, velocity sensor, accelerometer, RTD temperature sensor

• Monitoring Parameter: Shaft displacement, casing vibration, temperature, rotational speed

• Alarm Logic: Two-stage alarm (Alert & Danger), latch/non-latch configurable

• Local Display: Built-in LCD screen for real-time local data reading and parameter setting

3. Electrical Specifications

• Power Supply: 18 ~ 36 VDC Industrial DC Power

• Power Consumption: ≤ 5.0 W typical

• Sensor Power: -24 VDC for proximity transducer

• Frequency Range: 0.5 Hz ~ 15 kHz

• Measurement Accuracy: ±1% Full Scale

• Analog Output: 2-channel 4-20mA isolated analog output

• Relay Contact Rating: 30 VDC / 3 A dry contact

4. Environmental Specifications

• Operating Temperature: -40 °C ~ +85 °C (-40 °F ~ +185 °F)

• Storage Temperature: -50 °C ~ +100 °C (-58 °F ~ +212 °F)

• Relative Humidity: 5% ~ 95% (Non-condensing)

• Anti-vibration: Compliant with API 670 industrial vibration standard

5. Mechanical Specifications

• Structure: Compact standalone metal shell

• Dimensions (H × W × D): 120 × 80 × 55 mm

• Weight: Approximately 0.35 kg

• Mounting: Standard DIN rail installation, no rack required

6. Compatible Devices

7. Key Features

• All-in-one compact monitor without expensive rack chassis

• Dual dynamic channels + four temperature channels for multi-parameter monitoring

• Built-in LCD display for on-site debugging and data observation

• Wide temperature range for harsh industrial field application

• Cost-effective solution for non-critical auxiliary rotating machinery

8. Critical Difference (1900/65A VS 3500 Series)

• 1900/65A: Standalone compact meter, DIN rail, cheap, for pump/fan/auxiliary machine.

• 3500 Series: Rack system, high precision, SIL certification, for turbine/compressor critical equipment.