Extech 407730 Digital Sound Level Meter

• Alternately displays Carbon Monoxide (CO) concentration, Air Temperature, and Relative Humidity readings (cycles approximately every 6 seconds)
• Visible bright tri-colored (green, yellow, red) LED alarm indicator
• Adjustable audible alarm for readings exceeding one of the selected ranges: 25ppm, 30ppm, 35ppm, 50ppm, 100ppm or 200ppm
• ZERO Re-Calibration function
• Manual Temperature and Relative Humidity Compensation (adjustable)
• CO Calibration function in fresh air

 

• Measure electromagnetic field radiation levels from fans, electrical appliances, wiring, and power lines
• Large 1/2" LCD (1999 count) display of Electromagnetic Field (EMF) level in milliGauss or microTesla
• Accurate measurements to 4% over a measuring range of 0.1 to 199.9mGauss (0.01 to 19.99µTesla)
• ELF frequency bandwidth of 30Hz to 300Hz
• Single axis - sampling 2.5 times per second

 

• Measures from 2" to 115' (0.05 to 35m)
• Laser measurement accurate to 0.08 inches at 32 feet
• Historical Storage recalls the previous 10 records (measurements or calculated results)
• Automatically calculates Area and Volume
• Indirect measurement using Pythagorean theorem

 

• Insulated inductive probe tip prevents shorting conductors
• Tests include wire trace, continuity test, clear/busy/ringing line test and tip/ring identification
• Alligator clips for non-terminated cables and modular connectors for direct connections to telephone and internet wiring
• Selectable continuous or variable tone generation
• Built-in speaker on probe with sensitivity control

 

• Integrated Bluetooth® connects with iOS devices to transmit readings for remote viewing
• Works with free Apple app to display large easy-to-read values up to 30ft (10m) away
• Measures up to 229ft (70m) with a target plate
• Automatically calculates Area and Volume
• Indirect measurement using Pythagorean Theorem
• Continuous measurement function with Min/Max distance tracking updates every 5 seconds

• Ranges: 0.05 to 100kg; 0.05 to 220lbs; 0.2 to 980 Newton
• Basic accuracy 0.5%
• Tension or Compression, Peak hold and Zero functions
• Positive/Reverse display for easy easy readability
• Large LCD with backlight feature

 

• Memory card for capturing images (JPEG) or video (AVI) for viewing on your PC
• Detachable wireless 3.5" color TFT LCD display can be viewed from a remote location up to 32ft (10m) from the measurement point
• 39" (1m) flexible gooseneck with waterproof camera (17mm diameter) and 2 built-in bright LED lights for illuminating dark areas

 

• True RMS for better accuracy when measuring distorted waveforms
• Built-in IR Thermometer with 4:1 distance to target ratio and laser pointer
• 2000 count large backlit dual LCD with easy-to read digits
• Low current capability with resolution to 0.1µA
• Input fuse protection

 

• 0 to 24mA (-25 to 125%) readout
• 24V DC power source for 2-wire current loop
• 0 to 20V DC calibration source
• Source and measure 8 thermocouple type devices (J, K, T, E, C, R, S and N)
• CJC - Cold Junction Compensation function
• Up to five user adjustable calibration presets
• Palm-sized double molded housing and large dot-matrix backlit LCD

 

• Dual differential inputs for pressure and temperature
• Displays 5 types of pressure units
• For use with R22 and R410A refrigerants
• Standard 1/4 NPT male flare fittings