Extech 407910 Heavy Duty Differential Pressure Manometer (29psi)

• Large easy to read digital display
• AC/DC Voltage, DC Current, Resistance, Continuity, Diode Test and Type K Temperature
• 1.5V and 9V Battery test function
• Complete with 9V battery, general purpose Type K bead wire probe and test leads

 

• Built-in non-contact Voltage detector with LED alert to quickly check for the presence of live wires before testing
• 1.2" (30mm) jaw size for conductors up to 500MCM
• 4,000 count LCD display
• Multimeter functions include AC/DC Voltage, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode, and Continuity
• Relative Mode for Capacitance Zero and Offset Adjustment

 

• Utilizes Hall effect sensor with ATC (Automatic Temperature Compensation)
• N pole/S pole indicator
• Zero button for DC measurement
• Data Hold and Min/Max
• Auto power off with disable
• Complete with uniaxial magnetic probe sensor and protective cover, 9V battery, and hard carrying case

 

• Four terminal Kelvin measurements
• Over-temperature and over-voltage protection
• 5 ranges with 100µOhm max resolution
• Invalid test indicators prevent inaccurate measurements
• Built-in water resistant case with shoulder strap

 

• True RMS for accurate AC measurements
• 4000 count backlit LCD display
• Low Impedance (LoZ) prevents false reading caused by ghost voltages
• Low Pass Filter (LPF) for accurate measurements of variable frequency drive signals

 

• 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

 

• Transmitter with output cables terminated in modular RJ11 phone connector
• Transmitter injects traceable signal into cables, checks telephone lines, and performs continuity checks
• Non-Contact probe audibly identifies selected wire or cable
• Easily trace wires from source to termination
• Test for properly operating phone lines

 

• 75 to 1000VAC input voltage with 45 to 65Hz frequency range
• LEDs indicate phase orientation (clockwise or counter-clockwise) and whether each phase is live
• Beeper sounds intermittently when correct phase is detected and continuously if phase is reversed
• Durable housing with back cover magnet for attachment to an AC distribution panel for easy measurement

 

• 0 to 24mA (-25 to 125%) readout
• 0 to 20V DC calibration source
• Up to five user adjustable calibration presets
• Palm-sized double molded housing and large dot-matrix digital backlit LCD
• Standard banana I/O ports

 

• Quickly locate 110V to 125VAC Circuit Breakers and Fuses
• Variable Sensitivity adjustment to pinpoint correct circuit breaker
• Bright Red and Green LEDs indicates if receptacle is correctly wired or six fault conditions
• Push button GFCI test
• Audible and visual circuit breaker indication