| Sensor Input |
| Signal Input |
Built-in preamplifier accelerometer (e.g., NP-3000 series) External voltage signal input (switchable) |
| Number of Channels |
1 channel |
|
| Input Connector |
BNC (C02 type), waterproof (when sensor connected) |
|
| Input Voltage Range |
±5 V |
|
| Constant Current Drive (CCLD) |
Drive voltage: +23 V to 26 V Constant current: 4 mA ± 25 % (at 25 ℃) |
| Absolute Maximum Input Voltage |
±30 V (peak) |
|
| TEDS |
IEEE 1451.4 Ver.0.9 / 1.0 |
|
| Measurement Range Setting |
0.100 m/s² to 50000 m/s² (Range depends on sensor sensitivity) |
| Unit Calibration Function |
Selectable: m/s² or EU |
|
| EU Type |
mV/EU, V/EU, EU/V, EU/mV |
|
| Sensor Sensitivity Setting |
000.0100 to 999.9999 |
|
| Analog Filter |
Low-cut (High-pass filter) |
OFF / 1 Hz / 3 Hz / 10 Hz |
| -3 dB at fc (±1 dB), -18 dB/Oct |
High-cut (Low-pass filter) |
OFF / 1 kHz / 10 kHz |
| -3 dB at fc (±1 dB), -18 dB/Oct |
| Input Frequency Response |
3 Hz to 15 kHz ±0.5 dB, 1.5 Hz to 20 kHz ±3.0 dB |
| Reference: 80 Hz |
|
| External Signal Input |
| Function |
Rotational speed input / Trigger input (switchable) |
|
| Number of Channels |
1 channel |
|
| Input Connector |
φ2.5 mm mini-jack |
|
| Pulses per Revolution |
0.5 to 360 P/R (settable in 0.5 increments) |
|
| Analysis Section |
| A/D Conversion Resolution |
24 bit |
|
| Sampling Frequency |
64 kHz |
|
| Number of Bands |
3 bands |
|
| Digital Filter |
High-pass filter / Low-pass filter |
OFF / 10 Hz / 30 Hz / 50 Hz / 100 Hz / 300 Hz / 500 Hz / 1 kHz / 3 kHz / 5 kHz / 10 kHz / 20 kHz |
|
-3 dB at fc (±1 dB), -48 dB/Oct |
| Vibration Severity Filter |
ISO 2954:2012 compliant filter (High-pass 10 Hz, Low-pass 1 kHz) |
| Measurement Frequency Range |
Acceleration |
1.5 Hz to 20 kHz |
| Velocity |
3 Hz to 3 kHz |
| Displacement |
3 Hz to 500 Hz |
| Computation Section |
| Measurement Items |
RMS |
RMS with time constant |
| Time constants: 8 ms / 16 ms / 32 ms / 63 ms / 125 ms / 250 ms / 500 ms / 630 ms / 1 s |
| PEAK |
Maximum absolute value of time waveform |
| P-P |
Twice the PEAK value |
| CF |
Ratio of maximum PEAK to maximum RMS every 500 ms (PEAK / RMS) |
| EQpeak |
√2 times RMS |
| EQp-p |
Twice EQpeak (EQp-p can only be measured when [Mode] = [Displacement] in [V3 band conditions]) |
| Computation Items |
Instantaneous value / Maximum value / Average value (calculated simultaneously for each measurement item) |
| Display Section |
| Display |
4.3-inch transmissive LCD with capacitive touch panel |
| Display Update |
Computation values |
Selectable: 500 ms / 1 s |
| External Interface |
| LAN |
Receive/transmit measurement conditions and data (Option VW-0350, VW-0360 required) |
| USB Bus Power |
Function |
Power supply only (USB PD not supported) |
| SD Card |
Supported Cards |
SD, SDHC, SDXC up to 64 GB |
| Output Section |
| Analog Output |
AC/THR Connector |
AC output / DC output (switchable) |
| DC Connector |
DC output |
| Output Impedance |
50 Ω |
| AC / THR Output |
Output Target |
AC: Signal after performing calculation for the selected 1 band THR: Signal immediately before performing the digital processing |
| Output Connector |
φ2.5 mm mini-jack |
| Output Voltage Range |
±5 V |
| Offset Voltage |
Within ±20 mV |
| DC Output |
Output Target |
Signal before/after passing the band-pass filter for any 1 band
|
| Output Connector |
φ2.5 mm mini-jack |
| Output Voltage Range |
0 to +5 V |
| Offset Voltage |
Within ±20 mV |
| PHONE Output |
Output Target |
Signal before/after passing the band-pass filter for any 1 band |
| Output Connector |
φ3.5 mm mini-jack ×1 (connect earphones/headphones with φ3.5 mm stereo mini plug (3-pole)) |
| Maximum Output |
18 mW (typical, with 20 Ω load) |
| Volume Control |
20 steps |
| CAL Output |
Output Signal (AC) |
Sine wave 160 Hz, amplitude 1.0 V (peak) ±3 % |
| Output Signal (DC) |
0.707 V ±3 % (excluding DC offset voltage) |
| Output Gain |
×1, ×2, ×5, ×10, ×20, ×50, ×100 |
|
| General Specifications |
| Battery |
Type |
AA alkaline batteries (LR6) or NiMH rechargeable batteries (HR6), 4 pcs |
| Continuous Operating Time |
LR6: 4 hours or more (with default vibration meter mode, using NP-3331C, analog output, headphone output OFF) Measured with Panasonic EVOLTA NEO |
| USB Bus Power |
Input Voltage Range |
DC 4.75 V to 5.25 V |
| Absolute Maximum Input Voltage |
DC 6.5 V |
| Current Consumption |
900 mA or less at 5 V supply |
| Mobile Battery |
Operation limited to those meeting above power specs |
| Clock Backup Battery |
Lithium rechargeable battery |
|
| Operating Temperature Range |
-10 ℃ to +50 ℃ (excluding batteries) |
|
| Operating Humidity Range |
20 to 90 % RH (non-condensing) |
|
| Storage Temperature Range |
-20 ℃ to +60 ℃ (excluding batteries) |
|
| Storage Humidity Range |
10 to 90 % RH (non-condensing) |
|
| Dimensions |
104 mm(W) × 223 mm(H) × 42 mm(D) |
|
| Mass |
Approx. 625 g (main unit only, including batteries) |
|
| Water/Dust Resistance |
IP54 (with NP-3331WC connected, headphone and external input terminal caps, bottom cover, and battery cover attached) |
| Compliance Standards |
CE Marking EMC Directive: 2014/30/EU, EN 61326-1:2021 RoHS Directive: 2011/65/EU, EN IEC 63000 |
| Accessories |
Quick Start Guide / AX-501 ×1 / SD card / BNC cap |
|
|
* fc: cutoff frequency |