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| Origin | Taiwan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Manufactured in China |
| Model | TES-1350A |
| Pricing | Available Upon Request |
| Brand | Casella |
|---|---|
| Origin | United Kingdom |
| Model | CEL-620 |
| Compliance | IEC 61672-1:2013 Class 1, IEC 61260-1:2014 Class 0 (for CEL-620B), ANSI S1.4-2014, ANSI S1.43-2020 |
| Measurement Range | 20–140 dB RMS (single full scale), 143 dB peak |
| Frequency Weightings | Simultaneous A-, C-, and Z-weighting |
| Time Weightings | Simultaneous Fast, Slow, and Impulse |
| Integrated Metrics | L<sub>XY</sub>, L<sub>XY,max</sub>, L<sub>XY,min</sub>, L<sub>X,eq</sub>, L<sub>avg</sub>, L<sub>C−A</sub>, L<sub>AE</sub>, L<sub>TM3–TM5</sub> |
| Octave Band Analysis | 11 bands (16 Hz–16 kHz, CEL-620B only) |
| Display | 320 × 240 pixel TFT color LCD |
| Data Storage | 100 measurement sessions with full metadata |
| Power | 3 × AA alkaline or rechargeable batteries (11 h with backlight, 20 h without) |
| Operating Temperature | −10 °C to +50 °C (Class 1), 0 °C to +40 °C (Class 2) |
| Dimensions | 72 × 229 × 31 mm |
| Weight | 295 g |
| Brand | Casella |
|---|---|
| Origin | United Kingdom |
| Model | CEL-240 |
| Compliance | IEC 61672-1:2013 Class 2, ANSI S1.4-2014 Type 2 |
| Measurement Range | 30–130 dB(A), 35–130 dB(C) |
| Frequency Weighting | A, C, Z (Linear) |
| Time Weighting | Fast (F), Slow (S), Impulse (I) |
| Max Hold Function | Yes |
| Battery Life | >35 hours (alkaline) |
| Data Output | USB 2.0 (real-time & stored data) |
| Display | High-resolution backlit LCD with time-history trace |
| Operating Temperature | −10 °C to +50 °C |
| IP Rating | IP54 |
| Warranty | 2 years |
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