Description
ifm Vibration Monitor VKV021
Introduction – ifm Vibration Monitor VKV021
The ifm Vibration Monitor VKV021 is a high-performance condition monitoring device designed for reliable and permanent machine vibration measurement according to DIN ISO 10816 standards. Built with advanced MEMS sensor technology, it enables early detection of imbalance, misalignment, and bearing wear in rotating machinery—crucial for predictive maintenance in industrial automation environments.
Engineered for simplicity and precision, the VKV021 features intuitive switch point adjustment using two setting rings with an integrated scale for easy reading. It delivers both analog (4–20 mA) and digital PNP switching outputs, allowing seamless integration with control systems for real-time vibration monitoring and alarm triggering.
The sensor’s robust stainless steel housing (316L) and IP67 protection make it ideal for harsh industrial environments, ensuring long-term durability even under vibration and moisture exposure. LED indicators provide clear visual feedback for operating and switching status, simplifying commissioning and maintenance.
In industrial setups across the UAE and wider MENA region, the ifm Vibration Monitor VKV021—available through Dubai Sensor—provides a dependable solution for maintaining equipment reliability, optimizing uptime, and extending machinery lifespan.
Key Features & Benefits
- Reliable monitoring of overall machine vibration per DIN ISO 10816
- Analog 4–20 mA output for continuous vibration velocity measurement
- PNP switching output with adjustable switch point and response delay
- Dual setting rings with visible scale for precise and intuitive adjustment
- MEMS sensor technology ensures high accuracy and long-term stability
- Clear LED indicators for operation and switching status
- Robust construction: Stainless steel (316L), PBT, PC, FKM materials
- High environmental resistance: IP67 protection and 400 g shock resistance
- Wide temperature range: –25 to +80 °C for versatile industrial use
- Long service life: MTTF 510 years
Technical Specifications – ifm Vibration Monitor VKV021
|
Parameter |
Specification |
|
Measuring range (vibration velocity) |
0…25 mm/s (RMS) |
|
Frequency range |
10…1000 Hz |
|
Measurement axis |
1 |
|
Accuracy |
< ±3% of final value |
|
Linearity deviation |
0.25% |
|
Response time |
1…60 s |
|
Analog output |
4…20 mA, max. 500 Ω load |
|
Digital output |
1 × PNP, normally closed |
|
Output functions |
Switching + analog |
|
Supply voltage |
18…32 V DC |
|
Current consumption |
< 50 mA |
|
Protection class |
III |
|
Short-circuit/overload protection |
Yes, pulsed |
|
Mounting thread |
M8 × 1.25 mm |
|
Tightening torque |
15 Nm |
|
Housing materials |
Stainless steel (316L/1.4404), PBT, PC, FKM |
|
Protection rating |
IP67 |
|
Ambient temperature |
–25…80 °C |
|
Storage temperature |
–25…80 °C |
|
Shock resistance |
400 g |
|
Weight |
113.5 g |
|
MTTF |
510 years |
|
Electrical connection |
M12 connector, 4-pin (A-coded) |
|
Pin assignment |
1: L+, 2: 4–20 mA, 3: GND, 4: Switching output |
Standards & Certifications
- DIN ISO 10816: Standard for vibration severity measurement
- EMC Compliance:
- EN 61000-4-2 (ESD 4 kV CD / 8 kV AD)
- EN 61000-4-3 (HF radiated 10 V/m)
- EN 61000-4-4 (Burst 2 kV)
- EN 61000-4-6 (HF conducted 10 V)
- Protection class: IP67
- UL Application Temperature Limit: < 80 °C
Applications & Industries
- Condition monitoring for pumps, fans, motors, and compressors
- Early detection of imbalance, misalignment, or bearing wear
- Predictive maintenance and machine protection systems
- Use in process industries, manufacturing plants, and automation systems
- Suitable for deployment in harsh industrial environments across the UAE and MENA region
Installation, Commissioning & Maintenance
The ifm VKV021 is designed for simple installation via an M8 × 1.25 mm threaded mount. Tighten with 15 Nm torque to ensure stable sensor attachment. The dual setting rings allow quick adjustment of switch point and response delay without software configuration. LEDs provide immediate status indication for easy setup verification.
Routine maintenance is minimal—periodic inspection of vibration readings and connector integrity is sufficient to ensure long-term reliability.
Why Choose ifm Vibration Monitor VKV021
With its combination of precision MEMS sensing, rugged construction, and intuitive configuration, the ifm VKV021 offers unmatched reliability for machine condition monitoring. It enables plant operators to detect developing mechanical issues early, reducing downtime and maintenance costs.
Backed by ifm’s engineering excellence and proven durability, the VKV021 ensures consistent performance in demanding industrial environments. Its seamless integration with automation systems makes it an ideal solution for maintaining productivity and protecting critical assets.
Ordering Guide
- Model: VKV021
- Description: Vibration monitor with intuitive switch point setting
- Output Type: PNP switching + 4–20 mA analog output
- Mounting: M8 × 1.25 mm thread
- Connection: M12 4-pin connector (A-coded)
- Included in delivery: 1 pc sensor
For authorized supply and regional support, the ifm Vibration Monitor VKV021 is available through Dubai Sensor, the official distributor for the UAE and MENA region.
FAQ – ifm Vibration Monitor VKV021
Q1: What is the primary function of the ifm Vibration Monitor VKV021?
A: The VKV021 continuously measures and monitors machine vibration according to DIN ISO 10816, helping detect imbalance, misalignment, and bearing damage before critical failure occurs.
Q2: What types of output signals does the VKV021 provide?
A: It offers both a PNP switching output and a 4–20 mA analog output for vibration velocity, allowing integration with PLCs or condition monitoring systems.
Q3: How are the switch points adjusted on the VKV021?
A: Switch points and response delays are easily set using two intuitive setting rings with a visible scale—no programming software is required.
Q4: What is the measuring range of the VKV021?
A: The sensor measures vibration velocity from 0 to 25 mm/s (RMS) across a frequency range of 10 to 1000 Hz.
Q5: Is the VKV021 suitable for harsh industrial environments?
A: Yes. The unit features a stainless steel (316L) housing, IP67 protection, and shock resistance up to 400 g, making it ideal for demanding industrial applications.
Q6: What are the typical applications for the VKV021?
A: It’s commonly used for monitoring motors, pumps, fans, and compressors in predictive maintenance programs and automated machinery protection systems.
Q7: What is the supply voltage range for the VKV021?
A: The operating voltage range is 18 to 32 V DC with a current consumption of less than 50 mA.
Q8: How can I identify sensor status during operation?
A: The VKV021 has green and yellow LEDs—green for power/operation status and yellow for switching status indication.
Q9: What type of connection does the VKV021 use?
A: It uses a 4-pin M12 connector (A-coded) with the following pin assignment:
Pin 1: L+, Pin 2: 4–20 mA, Pin 3: GND, Pin 4: Switching output.
Q10: Where can the VKV021 be purchased in the UAE?
A: The ifm Vibration Monitor VKV021 is available through Dubai Sensor, the official distributor for ifm products in the UAE and MENA region.
Documents
Additional Information
Measuring range of vibration[mm/s]: |
0...25; (RMS) |
Frequency range[Hz]: |
10...1000 |
Application: |
Vibration monitor to DIN ISO 10816 |
Current consumption[mA]: |
< 50 |
Protection class: |
III |
Type of sensor: |
Microelectromechanical system (MEMS) |
Total number of inputs and outputs: |
2 |
Number of inputs and outputs: |
Number of digital outputs: 1; Number of analog outputs: 1 |
Output signal: |
switching signal; analog signal |
Electrical design: |
PNP |
Number of digital outputs: |
1 |
Output function: |
normally closed |
Max. voltage drop switching output DC[V]: |
2 |
Permanent current rating of switching output DC[mA]: |
500 |
Number of analog outputs: |
1 |
Analog current output[mA]: |
4...20 |
Max. load[Ω]: |
500 |
Short-circuit protection: |
yes |
Type of short-circuit protection: |
yes (non-latching) |
Overload protection: |
yes |
Number of measurement axes: |
1 |
Measuring error[% of the final value]: |
< ± 3 |
Linearity deviation: |
0,25 % |
Response time[s]: |
1...60 |
Adjustment of the switch point: |
setting ring |
Ambient temperature[°C]: |
-25...80 |
Note on ambient temperature: |
UL application: < 80 °C |
Storage temperature[°C]: |
-25...80 |
Protection: |
IP 67 |
EMC: |
EN 61000-4-2 ESD(4 kV CD / 8 kV AD) | EN 61000-4-3 HF radiated(10 V/m) | EN 61000-4-4 Burst(2 kV) | EN 61000-4-6 HF conducted(10 V) |
Shock resistance: |
400 g |
MTTF[years]: |
510 |
Weight[g]: |
113.5 |
Type of mounting: |
M8 x 1,25 |
Material: |
PBT; PC; FKM; stainless steel (1.4404 / 316L) |
Tightening torque[Nm]: |
15 |
Display: |
Power(LED, green) | Switching status(LED, yellow) |
With scale: |
yes |
Pack quantity: |
1 pcs. |
Connection: |
Connector: 1 x M12; coding: A |