Extech 407730 Digital Sound Level Meter

• Triple LCD displays Humidity, Temperature, and date (Year, Month, and Day)
• Programmable from keypad or PC
• Selectable data sampling rate
• User programmable audible and visual alarms
• Wall, desktop, or tripod mount
• Calibration via optional salt bottles
• Complete with Windows® compatible software, USB cable, universal AC adaptor, and four AA batteries

 

• Works with GFCI circuits
• Tests for faulty wiring in 3-wire receptacles: Correct, Open Ground, Open Neutral, Open Hot, Hot/Ground Reverse, Hot/Neutral Reverse
• Lights indicate circuit condition
• Standard North American 3-prong plug

 

• Automatically stores up to 16,000 readings or manually store/recall up to 99 readings
• Large backlit LCD display with 40-segment bar graph
• Wide range to 40,000Fc or 400,000 Lux
• Cosine and color corrected measurements
• Utilizes precision silicon photo diode and spectral response filter
• Peak mode (10mS) captures highest reading

 

• Tests for faulty wiring in 3-wire receptacles: Correct, Open Ground, Open Neutral, Open Hot, Hot/Ground Reverse, Hot/Neutral Reverse
• Lights indicate circuit condition
• Standard North American 3-prong plug

 

• User adjustable Heat Index alarm
• Stopwatch/chronograph mode with 1/100 second resolution
• Fastest/Slowest/Average Lap recall
• 99 lap counter with 30 lap/split memory
• 10 hour countdown timer with audible beeper warning for the last 5 seconds
• Programmable alarm
• Calendar mode displays day, month, and date

 

• Portable tester for measuring of both Free and Total Chlorine up to 3.50ppm
• 
• The CL500 is a free and total Chlorine meter. This chlorine tester measures up to 3.50ppm with 0.01ppm resolution on its large LCD screen. Complete with Free, Total and Zero Chlorine standard solutions, test bottles with covers, Free and Total Chlorine DPD powder (10pcs), cleaning cloth, 6 AAA batteries, and hard carrying case.

 

• Designed to meet ANSI and IEC 61672 Class 2 standards
• USB interface for easy setup and data download
• 30 to 130dB range
• Datalogging capability up to 129,920 records

 

• True RMS for better accuracy when measuring distorted waveforms
• 2000 count large backlit dual LCD with easy-to read digits
• Low current capability with resolution to 0.1µA
• Input fuse protection
• Max Hold, Data Hold and Auto power off
• Complete with test leads and 9V battery

 

• Wide range to 40,000Fc or 400,000 Lux with max resolution to 0.01 Fc/Lux
• Relative mode indicates change in light levels, peak mode captures highest reading
• Remote light sensor on 12" (30.5cm) coiled cable - expandable to 24" (61cm)
• Utilizes precision photo diode and color correction filter
• Large LCD display with analog bargraph
• Backlight for readings in low light levels
• Complete with 9V battery, light sensor with protective cover, protective holster, and soft case

 

• True RMS DMM with 12 functions and 0.3% basic accuracy
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, TypeK & IR Temperature, Diode/Continuity, Duty Cycle
• Built-in non-contact InfraRed Thermometer with 8:1 distance to target ratio with 0.95 fixed emissivity
• Input fuse protection and mis-connection warning
• 20A max Current