BK Precision 735 Datalogging Digital Sound Level Meter w/RS232 Software & Cable. New in Box.

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List Price $405.00

Availability: Usually Ships in 4 to 6 Weeks
Product Code: 735

Description

Application Notes

Datasheet PDF Format

Standard applied	IEC 651 Type2, ANSI S1.4 Type2
Frequency range	31.5Hz ~ 8kHz
Measuring level range	30 ~ 130dB
Frequency weighting	A / C
Microphone	1/2 inch electret condenser microphone
Display	LCD
Digital display	4 digits Resolution: 0.1dB Display Update: 0.5 sec.
Analog display	50 segment bargraph Resolution: 1dB Display Update: 50 mS
Time weighting	FAST (125mS), SLOW (1 sec.)
Level ranges	Lo: 30 – 80 dB Med: 50 – 100 dB Hi: 80 – 130 dB Auto: 30 – 130 dB
Accuracy	±1.5dB (under reference conditions @ 94dB, 1kHz)
Dynamic range	100 dB (50 dB model 732A)
Alarm function	"OVER" is when input is more than the upper limit of range. "UNDER" is when input is less than the lower limit of range.
MAX/MIN hold	Holds readings the Maximum and Minimum Value.
AC output	1 Vrms at FS (full scale) Output impedance: approx. 100Ω FS: means the upper limit of each level range.
DC output	10mV / dB, output impedance approx. 1kΩ
Power supply	One 9V battery, 006P or IEC 6F22 or NEDA 1604.
Power life	About 50hrs (alkaline battery)
AC adapter	Voltage 9 VDC, center pin negative, (8–15VDC Max) Supply current: > 30mADC Socket: pin → Ground, Casing → Positive, External Diameter → 3.5mm, Internal Diameter → 1.35mm
Electromagnetic Compatibility	RF field = 3V/m Total accuracy = specified accuracy + 0.5dB
Operation temperature	0 to 40°C (32° to 104°F)
Operation humidity	10 to 90%RH
Storage temperature	-10° to 60°C (14° to 140°F)
Storage humidity	10 to 75%RH
Dimensions (L × W × H)	10.8 × 2.5 × 1.2″ (275 × 64 × 30mm)
Weight	285g (including battery)
Accessories	9V battery, carrying case, Screwdriver, Instruction manual. Windscreen, 3.5φ plug, software & RS-232 cable (optional model 732A).

Features

Whether you are testing for OSHA compliance, quieting equipment, or monitoring the roar of a stadium crowd, B+K Precision's Sound Level Meters can get the job done. The model 735 Sound Level Meter provides 30~130 dB capability in three convenient measurement ranges Low, Med and Hi with an accuracy of ±1.5 dB. The meter meets the IEC 651 Type II and includes frequency weighting A & C and fast and slow time weighting. Two auxiliary ports provide either AC output, 1Vrms full scale, or DC output, 10mV /dB. With the model 735, B&K Precision can meet all your sound testing needs.

Windows Software Included
Clock Display
32,000 Records Data Logger
RS-232 Interface
Bargraph
MAX/MIN function
Auto Ranging (30 ~ 130dB)
Resolution 0.1dB
Level Range Display
AC/DC Signal Output
Auto Power Off
Backlit LCD

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