The 42280 is an Extech Temperature and Humidity Data logger. Data logs up to 16,000 readings. Featuring a USB interface for downloading to a PC. Triple LCD displays humidity, temperature and date (year, month and day). Temperature range from -4 to 144°F (-20 to 70°C). Complete with Windows compatible software, USB cable, Universal AC adaptor, and four AA batteries.

Features:

� 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

More products EXTECH

EXTECH MO290 PINLESS MOISTURE PSYCHROMETER + IR

• Measure Humidity, Air Temperature (with built-in probe) plus non-contact InfraRed Temperature
• Pinless moisture sensor allows to monitor moisture in wood and other building materials with no surface damage
• Remote pin-type probe (MO290-P) for contact moisture readings (3ft/0.9m cable length)
• Select from multiple wood types and measurement ranges
• Easy to read, large dual display with backlit feature

EXTECH 381676A 9 FUNCTION PEN MULTIMETER + NCV

• Auto/Manual ranging pen-style multimeter
• Large 2000 count high contrast LCD display
• Built-in Non-Contact Voltage (NCV) detection with visible and audible alarm
• Data Hold, Range Hold, Maximum Hold, Auto Power Off

EXTECH MN26T MINITEC™ AUTORANGING DIGITAL MULTIMETER

• Large 2000 count LCD display
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode/Continuity
• Relative zero, Data Hold, Range Hold and Auto power off
• 10A fuse protection
• Overload protection and indication
• Includes protective holster with stand, general purpose Type K bead wire temperature probe, 2 AAA batteries and test leads

EXTECH CT20 REMOTE & LOCAL CONTINUITY TESTER

• A bright flashing LED and loud pulsating beeper indicate local continuity
• Remote continuity with the use of the remote probe
• Flashing remote probe - two lead, bi-color (red/green) LED probe allows a single user to identify up to three wires or cables at a time
• Lightweight and pocketsized, clips on and hangs from the cable(s) under test without falling off
• Great for Electricians and Helpers, Cable TV and Audio System Installers, Alarm Technicians, Plumbers, HVAC Installers etc.

EXTECH CT70: GFCI AND AC CIRCUIT ANALYZER

• Selectable loads of 12, 15 and 20 Amps
• Measures loaded and unloaded AC Line Voltage
• Calculates and displays % Voltage Drop and Line Impedance
• Displays Peak Line Voltage and Frequency

EXTECH AN320 LARGE VANE CFM/CMM ANEMOMETER/PSYCHROMETER PLUS CO2

• 4" (10cm) vane allows for more precise readings on larger size ducts
• Air Velocity, Air Flow, Relative Humidity, Wet Bulb and Dew Point, Carbon Dioxide (CO2)
• Built-in thermistor for air temperature
• Multipoint and timed average calculations

EXTECH 382203 ANALOG TRIPLE OUTPUT DC POWER SUPPLY

• Adjustable Voltage and Current output
• Easy snap terminals for fixed 5V/0.5A and 12V/1A outputs
• Constant Voltage or Current
• Current limiting indicator
• Overload and short circuit protection
• Binding post terminals for variable supply

EXTECH PRT200 NON-CONTACT PHASE SEQUENCE TESTER

• 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

EXTECH 407750 SOUND LEVEL METER WITH PC INTERFACE

• Meets ANSI & IEC 651 Type 2 standards
• Background noise absorber for machine noise measurements filters ambient noise
• 30 to 130dB measurement range with ±1.5dB accuracy
• Large display with backlighting and analog bargraph

EXTECH VPC300: VIDEO PARTICLE COUNTER WITH BUILT-IN CAMERA

• Simultaneously measure and display 6 channels of particle sizes (down to 0.3µm), Air Temperature, Humidity, Dew Point and Wet Bulb
• 2.8" TFT Color LCD display
• Built-in 320x240-pixel camera takes videos (3GP) and photo images (JPEG) and records them in internal 74MB memory
• Store 5000 records (date, time, counts, humidity, temperature, sample volumes, and location label) and 20 minutes of video
• Selectable sample time, count data, and programmable delay
• Max, Min, DIF, AVG record, Date/time setup controls, Auto Power Off