Accumeasure Wireless Gap Measurement Probe System
Description
The Accumeasure Wireless Gap Measurement Probe System consists of up to four battery-powered, wireless capacitance probes paired via Bluetooth to their receiving device and is ideal for rotating machinery. The wireless capability and compact design of the probes enables them to measure gap in difficult-to-reach locations. Featuring improvement over conventional eddy current probe systems, capacitance probes are not susceptible to temperature drift, have built-in calibration, and are immune to magnetic field interference.
Transmitting displacement (gap) readings ranging from 0.1 to 2.0 mm from fixtures to the rotating machine surface, measurements are optimzed for machines with a surface velocity of 6,000 SFM. In addition, data from the receiver via RS-485 Modbus RTU interface protocol can be used for real-time monitoring of vibration and bearing health.
Specs
- Wireless reliability: Works via Bluetooth in electrically-noisy industrial environments, and is immune to jamming by other wireless devices
- Smart sensing technology: Provides unique ID for each sensor
- Networking capable: Up to four sensors/receiver, networked together for rich geometrical measurement
- Replaces outdated eddy probes: Capacitance-based technology is insensitive to target material, provides self-contained absolute calibration, is non-contact, and can also measure dielectrics
- Standard PLC interface: Simple to hook up to a PLC without any custom wiring
- Battery-operated compact form factor: Can be easily placed in hazardous or unserviceable environments
- Fast max sample rate: Up to four samples per second
- Cost effective: Designed for affordability and mass unit deployment
| Probe/Transmitter Specifications | |
|---|---|
| Measurement Range | 0.1 to 2.0 mm (0.004 to 5/64 in.) |
| Resolution | 0.014 mm (0.0006 in.) |
| Accuracy | 0.043 mm (0.0017) |
| Linearity error | 0.3% FSR |
| Max. sample rate | 4 SPS |
| Max. latency | 2 seconds |
| Power | 3.4 to 4.5V DC (1x 3.6V LTC battery) At 5 mA |
| Radio Frequency | 2.4GHz |
| Max. distance from the receiver device | 5 m (16.4 ft) (Mounting dependent) |
| Max. number of devices in close proximity | 30 units |
| Radio Frequency Conformity | IEEE 802.15.1 (ISM standard) |
| Size (Dia. x L) | 10 x 60 mm (0.4 x 2.4 in.) |
| Weight | 10.5 g (0.4 oz.) |
| Antenna Connector Required | Hirose U.FL-LP-040 |
| Battery Connector | SURS # SM05B-SURS-TF |
| Mounting Thread | 10 mm x 0.75 |
| Battery Life | Dependent on SPS and Sample Period |
| Sensor System Receiver Specs | |
|---|---|
| Measurement Range | 0.1 to 2.0 mm (0.004 to 5/64 in.) |
| Power | 5 to 30V DC, 100mA |
| Interface Protocol | RS-485 Modbus RTU |
| Protocol Baud | 19200 |
| Protocol Parity | Even |
| Protocol Stop Bits | 1 |
| Device Address | 0x42 (may be adjusted) |
| Operating Temperature | 39 to 131°F (4 to 55°C) |
| Storage Temperature | 5 to 150°F (-15 to 65°C) |
| Radio Frequency | 2.4 GHz |
| Max. distance from sensor | 5 m (16.4 ft) (Mounting dependent) |
| Radio Frequency Conformity | IEEE 802.15.1 (ISM standard) |
| Size (H x W x L) | 15 x 44 x 64 mm (0.6 x 1.7 x 2.5 in.) |
| Weight | 4 oz. |
| Connector | Phoenix Contact #1844263 |
| Mate | Phoenix Contact #1840382 |