Bently Nevada Ranger Pro 70M301 Single-Axis ISA100 Wireless Sensor
A single-axis wireless accelerometer with integral temperature sensing for ISA100 networks.
Product Profile
Ranger Pro 70M301 is the uniaxial ISA100 sensor in the Bently Nevada Ranger Pro family. It measures vibration on its Z axis and reports integral base temperature for wireless condition-monitoring programs.
The base number must be completed with mounting, radio, battery and approval selections. It should not be substituted for the tri-axial 70M303 where X/Y measurements or alignment-controlled axis data are required.
Technical Data
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Model | Ranger Pro 70M301 |
| Sensor Type | Single-axis wireless accelerometer with integral temperature sensor |
| Measurement Axis | Z axis |
| Wireless Protocol | ISA100.11a |
| Sensing Element | Piezoelectric ceramic |
| Acceleration Range | ±20 g peak |
| Accuracy at 160 Hz | Z axis ±5% |
| Acceleration Bandwidth | 5 Hz–10 kHz |
| Velocity Range | 0–50 mm/s (0–2 in/s), 5–2000 Hz |
| Temperature Sensor | -40 to 120 °C; 0.1 °C resolution; ±1 °C typical, ±3 °C maximum |
| Wireless Security | 128-bit AES encrypted packets |
| Line-of-Sight Range | 150 m to access point; 100 m sensor to sensor |
| Operating Temperature | -40 to 85 °C |
| Enclosure | IP67; 316 stainless-steel body with glass-reinforced PPS top |
| Battery | Replaceable D-size 3.6 V lithium-thionyl chloride; up to five years |
| Ordering Format | 70M301-AA-BB-CC-DD; mounting, radio, battery and approval fields required |
System Role
- Provides single-axis vibration trending and dynamic data with integral temperature through ISA100.
- Supports user-configurable collection intervals, Data on Demand and severity thresholds.
- Can route data for other Ranger Pro devices within the supported network topology.
- Feeds overall values and dynamic data toward System 1 through the appropriate interface.
Compatibility
- Use an ISA100 wireless device manager and verify supported firmware and access-point capacity.
- Confirm that one measurement axis is sufficient for the machine point.
- Select the mounting stud, battery and agency approval for the site.
- Check radio path, sensor orientation, hop count and System 1 license requirements.
Applications
- Single-direction monitoring on motors, pumps and fans.
- Wireless expansion at difficult-to-access bearing locations.
- Low- and medium-criticality machine reliability programs.
FAQ
When should Ranger Pro 70M301 be chosen instead of the tri-axial 70M303?
Use it when one correctly oriented measurement axis meets the monitoring plan; choose the tri-axial model when multi-direction data is required.
What must be specified beyond the Ranger Pro 70M301 base number?
Complete mounting hardware, radio, battery and agency-approval fields and confirm any System 1 device license.
Can Ranger Pro 70M301 be used on a WirelessHART-only network?
The 70M301 is the ISA100 model, so confirm an ISA100 gateway or wireless device manager rather than assuming protocol interchangeability.
What installation detail controls the Ranger Pro 70M301 measurement direction?
The sensor’s Z axis and mounting surface must align with the intended vibration direction and the machine monitoring plan.
Which maintenance items should be prepared for Ranger Pro 70M301?
Plan an approved battery, sealing parts, battery tool, suitable wrenches and a documented hazardous-area opening procedure when applicable.
What proves a Ranger Pro 70M301 point is commissioned correctly?
Confirm mounting, orientation, gateway communication, firmware, temperature and vibration data, dynamic acquisition and alarm behavior.
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