Extech 407910 Tester presiune diferentiala manometru

• High accuracy and performance for low resistance measurements
• Large 0.7" (18mm) LCD 1999 count
• 4-wire cables with Kelvin clip connectors
• Manual zero display adjust
• Overrange indication
• Compact, durable field service

 

• Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems
• Log up to 30,000 reading on a removable SD memory card in Microsoft Excel® format
• Wide sampling rate range (2 seconds to 2 hours)
• Built-in Clock and Calendar

 

• 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

 

• 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

 

• Single phase, 3-phase/3-wire or 3-phase/4-wire systems
• Large backlighting LCD displays 35 parameters simultaneously (MW, kVAR, MVA, PF plus the voltage and current of the 3 phases)
• Displays Active Power (kW), Apparent Power (kVA), Reactive Power (kVAR) and Power Factor
• Current measurements to 1200A and Voltage measurements to 600V

 

• True RMS measurements for accurate AC Voltage and Current measurements
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency (electrical/electronic), Temperature, Duty Cycle, Diode/Continuity
• Double molded for waterproof (IP67) protection, CAT IV-600V safety rating for industrial applications
• Data Acquisition Mode for real time data transmission directly to your PC
• 1000V input protection on all functions

 

• Simultaneous numerical and graphical display of Humidity and Temperature readings, plus Time and Date
• Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point
• Basic accuracy 3%RH, 1.8°F/1°C
• Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
• Internal memory records up to 49,000 data points and can be transferred to a PC via RS-232 serial port for further data analysis
• LCD indicates percentage of memory remaining
• Comes with 220V AC power supply

 

• Checks for Carbon Dioxide (CO2) concentrations
• Maintenance free dual wavelength NDIR (non-dispersive infrared) CO2 sensor
• Triple LCD simultaneously displays CO2 , Temperature and Relative Humidity
• Measurement ranges: CO2 - 0 to 4,000ppm; Temperature - 32 to 122°F (0 to 50°C); Humidity - 10 to 90%RH
• Datalogger stores readings on an SD card in Excel® format for easy transfer to a PC

 

• 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

 

• Accurately displays light level in terms of Fc or Lux over three ranges
• Select fast (1 second) or slow (2 seconds) response time
• Analog output of 1mV per count for capturing readings to a recorder