Casella Sound Level Meter CEL621/CEL621B1 Description

The Casella sound level meter model CEL621/CEL621B1 is the world’s smallest noise frequency analyser! With its compact form, the level of accuracy may surprise you because this machine delivers incredible standards of noise detection. We currently supply the B1 model, which is the Precision Integrating Octave Band Sound Level Meter (Type 1). This is available for rent for just £140 per week.

Features and Benefits

• Measures 5x Ln% values
• Single large measurement range
• Real-time octave band analysis
• Simultaneous measurement of all workplace & environmental noise parameters
• Pre-defined and user configurations available
• Automatic calibration function

Product Specs

• Applicable Standards: IEC 60804 – 2000, IEC 61260 Class 0, IEC 61672 – 2002 ANSI S1.11-2004, ANSI S1.4 – 1983 (R2006), ANSI S1.43 – 1997 (R2007)
• Total measurement range: 20 to 140dB RMS (single range), 143.0 dB Peak
• Frequency weightings RMS: Simultaneous A, C & Linear (Z)
• Frequency weightings Peak: Simultaneous A, C & Linear (Z)
• Time weightings: Simultaneous Slow, Fast & Impulse
• Amplitude weightings: Q3, Q4 and Q5 (Q4 & Q5 applicable to Lavg only)
• Thresholds: 70 to 90 (dB) in 1 dB steps (applicable to Lavg only)
• Noise floor: <25dB(A)
• Runs stored: 100
• Display: 320×240 pixel transmissive colour TFT
• Calibration information: Stores pre and post run calibration date, time and level
• Output (P.C.): USB 2.0 ‘A’ to ‘Mini B’
• Batteries: 3 x AA Alkaline (supplied) or rechargeable
• External power: 9-14V DC at 250mA via 2.1mm connector
• Battery life: 11 hours with backlight on, 20 hours backlight off
• Tripod mount: 1/4” Whitworth socket
• Size mm (in): 72 x 229 x 31mm (2.8 x 9.0 x 1.2”)
• Weight gm (oz): 295g (10.4oz)