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 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 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 CO50: DESKTOP CO (CARBON MONOXIDE) MONITOR

• Simultaneously displays Carbon Monoxide (CO) concentration, Air Temperature, and Relative Humidity readings with date (Year, Month, Day) and time
• Visibly bright LED indicates active monitoring (green) or surpassed CO alarm threshold (red)
• Extra loud audible beeper alarm level meets UL 2013 Standard (>85dB @ 3 meters); default alarm threshold at 30ppm (user adjustable)
• Designed with Electrochemical CO sensor
• Record/Recall Max reading for CO concentration
• CO calibration function in fresh air

EXTECH LT45 COLOR LED LIGHT METER

• Measure White, Red, Yellow, Green, and Blue LED and Standard Lighting in Lux or Foot-Candle (Fc) units
• Manually store/recall up to 99 readings
• 4000 count LCD display
• Cosine and color corrected measurements
• Min/Max Average and Auto Power Off
• Complete with light sensor with protective cover and coiled cable expandable to 59" (1.5m), 9V battery, and hard carrying case

EXTECH EA31 EASYVIEW™ LIGHT METER

• Compact and rugged design with large display
• Low range model measures to 2,000Fc/ 20,000Lux
• Data Hold and Min/Max readings
• Auto power off

EXTECH EX330 12 FUNCTION MINI MULTIMETER + NON-CONTACT VOLTAGE DETECTOR

• Autoranging DMM with 12 functions and 0.5% basic accuracy
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode/Continuity
• Built-in non-contact AC voltage detector (NCV) with red LED indicator and audible beeper
• Large-digit 4,000 count LCD display
• 10A max Current

EXTECH EX650 600A TRUE RMS AC CLAMP METER + NCV

• True RMS for accurate AC measurements
• 1.18" (30mm) jaw size accomodates conductors up to 350MCM
• 6000 count backlit LCD display
• Low Impedance (LoZ) prevents false reading caused by ghost voltages
• Built-in non-contact voltage detector (NCV) with LED indicator
• Built-in LED flashlight for working in dimly-lit areas

EXTECH MN47 12 FUNCTION COMPACT MULTIMETER + NCV

• Built-in Non-contact Voltage Detector (from 100 to 600VAC)
• AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Type-K Temperature, Duty Cycle, Continuity / Diode
• Autoranging with manual override
• 4000 count high-contrast LCD display

EXTECH CB20: CIRCUIT BREAKER FINDER/RECEPTACLE TESTER

• Quickly locate Circuit Breakers and Fuses
• Receptacle Tester (Transmitter): Test GFCI circuits, LED indication of 2 test conditions and 6 wiring faults, Test Reversed/Open Connections
• Complete with Receiver, Transmitter and 9V battery
• Microprocessor-based automatic sensitivity adjustment, Audible and visual indication, low battery indicator, Ergonomic design

EXTECH MA150 200A MINI AC CLAMP METER + NCV DETECTOR

• 0.7" (18mm) jaw opening
• 2000 count backlit LCD display
• Non-contact AC Voltage detector (100 to 600VAC) via clamp tip
• Built-in white LED flashlight
• Continuity and Diode Test, Max Hold, Auto power off