Introduction
The 1900/65A 167699-02 represents a specific system configuration or assembly that combines a base sensor/analyzer platform (1900/65A) with a designated module or key component (167699-02). This identifier typically signifies a vibration monitoring transmitter or a 4-20 mA loop-powered sensor system designed for continuous, online condition monitoring. The "-02" suffix often denotes a specific measurement range, output type, or approval variant. It is engineered to convert raw vibration signals (velocity or acceleration) into a standardized industrial output for direct integration into Distributed Control Systems (DCS) or Programmable Logic Controllers (PLC).
Technical Parameters
This unit is a compact, integrated system for industrial vibration monitoring.
| Parameter Category | Specification |
|---|---|
| Model | 1900/65A 167699-02 |
| Full Designation | Vibration Transmitter, 4-20 mA Output |
| Measured Parameter | Vibration Velocity (RMS or Peak) |
| Measurement Range | 0 to 25.4 mm/s (0 to 1.0 in/s) RMS (typical for -02) |
| Frequency Range | 4.5 Hz to 1,000 Hz (ISO 10816 compliant) |
| Output Signal | 4 to 20 mA, two-wire, loop-powered |
| Supply Voltage | 12 to 30 VDC (standard 24 VDC loop supply) |
| Accuracy | ±2% of full scale |
| Alarm Setpoints | Programmable via DIP switches or magnetic tool (e.g., Alert, Danger) |
| Time Constants | Selectable (e.g., 1 sec fast, 10 sec slow for RMS) |
| Operating Temperature | -40°C to +85°C (electronics), up to +120°C with remote sensor |
| Sensor Type | Integrated internal piezoelectric accelerometer |
| Housing Material | Cast aluminum with corrosion-resistant coating |
| Process Connection | ½" NPT conduit entry or M20 x 1.5 cable gland |
| Electrical Connection | Terminal block or integral cable |
| Protection Rating | IP66 / IP67 |
| Dimensions (L x W x H) | Approx. 110 mm x 80 mm x 65 mm (excluding connector) |
| Weight | Approx. 850 grams |
Application Scenarios
This transmitter is used for permanent, continuous monitoring of overall machinery health.
Motor & Pump Monitoring: The most common application for continuous monitoring of centrifugal pumps, fans, blowers, and medium-sized electric motors (up to ~500 kW) in water treatment, HVAC, and power generation.
Compressor Health Monitoring: Mounted on reciprocating and rotary screw compressors in industrial plants to provide a 4-20 mA signal proportional to overall casing vibration for control room indication and alarm.
Conveyor System Drives: Monitors gearboxes, tail pulleys, and drive motors on critical conveyors in mining, aggregate, and bulk material handling to prevent unplanned downtime.
Integration into PLC/DCS Systems: Its simple two-wire 4-20 mA output allows easy connection to existing plant control systems for centralized alarm logging and trending without a separate monitoring system.
Critical Auxiliary Equipment: Provides cost-effective, reliable monitoring for essential but non-critical machinery where a full online system is not justified.
Important Note: The description synthesizes common features of industrial vibration transmitters (e.g., from brands like Emerson/CSI, SKF). The suffix 167699-02 is critical and defines its exact calibration and configuration. For installation and programming, the manufacturer's specific documentation for this complete part number is required.
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