Bep Edu World

• A LO (Low) - Weighting: 35- 100dB
• A HI (High) - Weighting: 65-130dB
• C LO (Low) - Weighting: 35- 100dB
• C HI (High) - Weighting: 65-130dB

• Resolution: 0.1dB
• Frequency Range: 31.5Hz to 8KHz
• Accuracy: ± 1.5dB (ref 94dB @1KHz)
• Dynamic Range: 65dB
• Frequency Weighting: AC
• Time Weighting: Slow & Fast
• Maximum Hold: Decay < 1dB/3min
• Microphone: Electret condenser microphone
• Calibration: Electrical calibration by using the internal oscillator (1KHz sine Wave at 94dB)
• Auxilitary Output: AC conditioned, 0.55Vrms corresponding to each range step, impedance: 600 W DC conditioned, 10mV/dB (nominally) impedance: 100 W
• Operating Condition: 0 to 40 < 80% R. H.
• Storage Condition: -10 to 60 < 70% R.H.
• Display: 4 digitals
• Power Supply: one 9V battery
• Size: 240mm(L)x68mm(W)x25mm(H)
• Weight: 210g
• Accessories: Instruction Manual, 9V Battery, Carrying Case, Screwdriver, Windscreen.

Features:

• Max & Min Measurement
• Over & Under range Display
• Data logger Function (Storage of upto 99 readings)
• Analog AC/DC Output for connection to frequency analyzer or X-Y Shaft recorder
• ‘A’, ‘C’ or ‘Flat’ weighing with Slow/Fast response
• 94dB in Full Calibration at (1KHz)

• A LO (Low) - Weighting: 35- 100dB
• A HI (High) - Weighting: 65-130dB
• C LO (Low) - Weighting: 35- 100dB
• C HI (High) - Weighting: 65-130dB

• Resolution: 0.1dB
• Frequency Range: 31.5Hz to 8KHz
• Accuracy: ± 1.5dB (ref 94dB @1KHz)
• Dynamic Range: 65dB
• Frequency Weighting: AC
• Time Weighting: Slow & Fast
• Maximum Hold: Decay < 1dB/3min
• Microphone: Electret condenser microphone
• Calibration: Electrical calibration by using the internal oscillator (1KHz sine Wave at 94dB)
• Auxilitary Output: AC conditioned, 0.55Vrms corresponding to each range step, impedance: 600 W DC conditioned, 10mV/dB (nominally) impedance: 100 W
• Operating Condition: 0 to 40 < 80% R. H.
• Storage Condition: -10 to 60 < 70% R.H.
• Display: 4 digitals
• Power Supply: one 9V battery
• Size: 240mm(L)x68mm(W)x25mm(H)
• Weight: 210g
• Accessories: Instruction Manual, 9V Battery, Carrying Case, Screwdriver, Windscreen.

• Use to calibrate the " Sound Level meter " precisely.
• 1000 Hz frequency .
• 94 dB Sound Pressure Level
• Suitable for 0.5 & 1 inch microphone.
• Total harmonic distortion : 2 %.
• According IEC942, Class 2 Standard
• Power by 006P DC 9V battery, 2 PCs.
• Durable bench type housing case.
• Built-in over input protection.

Our standard sound level meter CENTER 320 has a wide dynamic range from 30 to 130 dB. It has different frequency weighting A and C to respond to human sense or machine monitoring purposes. For different sound pattern, it also supplies Fast and Slow time constant setting. Analog output is also provided for other use.

• 4 Digits Display
• MAX / MIN Function
• Level Range Display
• Resolution 0.1dB
• AC / DC Signal Output
• IEC 651 TYPE II

• Sound Level Meter SL 4005
• Conforms to International Standard
• Multi Functional Sound Level Meter can measure Sound Level (Lp)
• Equivalent continuous 'A' Sound Level (Leq) Maximum Sound Level
• (L max) percentage of all reading over alarm value set (LN)
• 'A' 'C' or flat weighing and Slow /Fast response time built in calibration
• Alarm set and output & APO Function Compatible to RSF 232 interface PC Connectivity

• Sturdy
• Easy to use
• Fine finish
• Compatible with IEC 651 Type 2 ANSI 1.4 Type II
• 14 mm (.55") LCD Display with Back Light
• Parameters measured Lp (Sound Level) Leq (Equivalent continuous "A" Sound Level
• L max (Maximum sound level) LN (Percent of all readings over alarm value set
• Alarm set and alarm output
• Wide dynamic auto range with Auto/Manual power off function
• Can Memorize 30 groups of measurement/measurement reading
• AC/DC Auxiliary output
• RS 232 Interface for PC connectivity

• Sound pressure level 94 dB and 114 dB
• Accuracy ± 0.3 dB (20°C, 760 MM Hg)
• Frequency of 1000 ± 0.1% Hz allows calibration with A, B, C, D weighting networks or linear.
• Extremely low influence of static pressure.
• Conforms to IEC942 class 1
• Calibration of 1" and 1/2" microphones
• Battery operated
• Temperature Range -10 to + 50°C
• Storage (with batteries removed) -40 to +65°C
• Temperature Coefficient : 0 to 0.01 dB/°C
• Altitude Effects : Approx. 0.1dB decrease for each 2000 feet increase in altitude from sea level to 12,000 feet elevation, or comparable atmospheric pressure change (approx. every 50mm of Hg decrease).
• Power source : Two 9V batteries (installed)
• Item size : approx. 48 x 48 x 138 mm
• Item weight : approx. 250g