IRD301 Lite - Entry Level Vibration Meter
Simple | Low Cost | Made in India
The Simple, Low-Cost Vibration Meter for Every Maintenance Team
One button. Reads vibration velocity in mm/s RMS. Complete kit, Made in India by IRD Mechanalysis (founded 1955).
2 Pin Connector for Connection to Vibration Sensor via Coiled Cable
Easy-to-Read 3 1/2 Digit LCD Display with QR Code for accessing help
Simple - Only 1 Button. Indication Lamp for Low Battery
What's in the Box?
- Vibration Meter IRD301 measuring 0–200 mm/s RMS vibration velocity × 1
- Vibration Sensor – Accelerometer IRD521, 100 mV/g ±10% × 1
- Coiled cable with 2-pin MS connector at sensor end and 2-pin MRS connector at meter end × 1
- 9" stinger for hard-to-reach spaces × 1
- 20 kg pull magnetic base with safety plate × 1
- 9V rechargeable battery × 1
- Battery charger × 1
- IRD-branded hard carrying case × 1 (standard)
Optional add-on: soft carry bag (sling type) – buy online.
IRD301 Specifications
| Measurement | Vibration velocity, mm/s RMS |
|---|---|
| Range | 0–200 mm/s RMS |
| Frequency range | 5 Hz to 2500 Hz |
| Accuracy | ±10% with sensor |
| Standard | ISO 20816 |
| Display | 3½-digit LCD with QR code for help |
| Controls | Single button (power on/off) |
| Sensor | IRD521 accelerometer, 100 mV/g ±10%, via coiled cable |
| Power | 1 × 9V rechargeable battery (charger included); low-battery LED |
| Kit weight | approx. 3 kg |
| Warranty | 1 year |
| Kit contents | Meter, IRD521 sensor, 1 coiled cable, 9" stinger, 20 kg magnetic base with safety plate, 9V rechargeable battery, charger, hard carrying case (standard). Soft carry bag optional. |
Equipping a whole plant or team?
Ask us for a bulk price on IRD301 kits.
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Introductory Video on IRD301
IRD301 Vibration Measurement on a Shaker
IRD301 reading on a running motor
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Whole Kit
Accessories for Vibration Meters
Optional soft carry bag – hard case already included
Which IRD vibration meter is right for you?
| IRD301 Lite | IRD306DP Plus | IRD811D Pro | |
|---|---|---|---|
| Best for | Routine checks by operators | General machinery checks | Vibration + bearing condition |
| Velocity (mm/s RMS) | ✔ 0–200 | ✔ up to 200 | ✔ |
| Displacement | – | ✔ up to 2000 µm pk-pk | ✔ |
| Acceleration | – | – | ✔ |
| Bearing condition (Spike Energy™) | – | – | ✔ |
| Warranty | 1 year | 1 year | 1 year |
| Kit price (excl. taxes) | ₹32,779 | ₹70,497 | ₹1,08,625 |
| Buy IRD301 Kit | View IRD306DP Plus | View IRD811D Pro |
Prices shown are without taxes; the store shows your local currency at checkout.
IRD301 – Frequently Asked Questions
What does the IRD301 measure?
Overall vibration velocity in mm/s RMS, from 0 to 200 mm/s. The 100 mV/g signal from the IRD521 accelerometer is integrated into velocity and shown on the display. On a shaker running at 1.414 g pk and 159.2 Hz (9.8 mm/s RMS), the IRD301 reads 9.8 mm/s RMS.
What are the IRD301's range, frequency range and accuracy?
0–200 mm/s RMS, 5 Hz to 2500 Hz, ±10% with sensor. Readings can be compared against ISO 20816 vibration severity limits.
Which sensor does the IRD301 use?
An IEPE-type accelerometer of 100 mV/g sensitivity. The IRD521 (100 mV/g) is supplied with it in the kit.
What's in the IRD301 kit?
IRD301 meter, IRD521 accelerometer (100 mV/g), 1 coiled cable, 9" stinger, 20 kg magnetic base with safety plate, 9V rechargeable battery, charger and IRD hard carrying case (standard). A soft carry bag is available as an optional add-on.
Which cable comes in the standard kit?
One coiled cable (qty 1) with a 2-pin MS connector at the sensor end and a 2-pin MRS connector at the meter end, 0.8 m collapsed and 3 m extended. Spare cables can be ordered from sales@irdmech.com or bought online.
How do I switch the IRD301 on and off?
It has just one button on the front. Press and release it once to power on, and once again to turn off.
When does the Change Battery LED glow?
When the 9V battery drops to 8.3 V DC or lower. Recharge the battery with the charger in the kit or replace it.
How do I get an accurate reading?
Keep the meter and sensor in calibration (both carry a calibration sticker), use a healthy 9V battery and the correct cable. Mount the IRD521 firmly by hand, stud, stinger or magnet, keep it within ±10° of vertical for vertical readings, avoid loose covers such as motor fan covers, and wait 2–3 seconds for the reading to settle.
What warranty does the IRD301 carry?
1 year.
Can IRD calibrate my IRD301?
Yes. We calibrate the IRD301 together with its IRD521 sensor at our works in Thane and issue a nationally traceable calibration certificate valid for 1 year.
More help: IRD301 Help Center & user manual
Why we built the IRD301
Launched on 24 February 2024 – the day IRD Mechanalysis Limited marked 62 years of its incorporation – the IRD301 is built on our many years of experience in routine and preventive maintenance. We designed it to be:
- Low in cost – so it is easy to procure in bulk
- Rugged – so it lasts for years of trouble-free operation
- Easy to use – so less-trained and new personnel can take readings for routine and preventive maintenance
Equipping a whole plant or team?
Ask us for a bulk price on IRD301 kits.
Request a Bulk / Plant-wide QuoteWhatsApp Us