
RION DA-21 4-Channel Data Recorder | 4 ch + 1 ch tachometer pulse, frequency range up to 20 kHz, 24 bit, CCLD power, SD card
RION DA-21 4-Channel Data Recorder: Vibration and Sound Waveform Recording Overview The DA-21 is a RION 4-channel data recorder that records sound, vibration and voltage waveforms along with rotational speed pulses; two units can be synchronized for up to 8 channels. It is the successor to the DA-20. The sampling rate is set to 2.4 or 2.56 times th
Overview
RION DA-21 4-Channel Data Recorder: Vibration and Sound Waveform Recording
Overview
The DA-21 is a RION 4-channel data recorder that records sound, vibration and voltage waveforms along with rotational speed pulses; two units can be synchronized for up to 8 channels. It is the successor to the DA-20. The sampling rate is set to 2.4 or 2.56 times the selected frequency range.
Key Specifications
- Channels: 4 ch BNC inputs + 1 ch speed pulse
- Frequency range: Selectable 100 Hz / 500 Hz / 1 kHz / 5 kHz / 10 kHz / 20 kHz; DC–20 kHz with DC coupling
- Sampling and resolution: Sampling rate = frequency range × 2.4 or × 2.56; 24 bit A/D
- Input: ±0.01–10 V in seven ranges; AC / DC coupling; CCLD 2 mA, 24 V
- Storage and power: SD card up to 32 GB; 4 × AA approx. 4.5–8 h; approx. 450 g
Applications
- Multi-channel on-site waveform recording of equipment vibration and noise.
Specifications per the RION product page and DA-21 catalog (retrieved 2026-10-21).
Specifications
- Key specifications
- 4 ch BNC + 1 ch speed pulse; 8 ch with two units synchronizedSelectable frequency range 100 Hz–20 kHz; 24 bitCCLD 2 mA / 24 V; SD card up to 32 GB; approx. 450 g
- Model
- DA-21
- Brand
- RION
- Purchasing
- In stock, tax incl. / B2B formal quotation request (RFQ)
- Warranty
- One-year manufacturer warranty
Calibration
If your instrument needs periodic calibration, register the brand, model and calibration requirements on the calibration service page and we will send a separate quote.
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