SD800 monitors air quality in schools, office buildings, greenhouses, hospitals and anywhere that high levels of carbon dioxide are generated. Selectable data sampling rate of 5, 10, 30, 60, 120, 300, 600 seconds or automatic. Maintenance free dual wavelength NDIR (non-dispersive infrared) CO₂ sensor. Triple LCD simultaneously displays CO₂, Temperature and Relative Humidity. Complete with six AAA batteries, 2G SD memory card, universal AC adaptor, and mounting bracket.

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
Selectable data sampling rate: 5, 10, 30, 60, 120, 300, 600 seconds or Auto
Complete with six AAA batteries, 2G SD memory card, universal AC adaptor, and mounting bracket

Specifications	Range
CO₂	0 to 4,000ppm
Accuracy	±40ppm ( <1000ppm); ±5% rdg (>1000ppm)
Resolution	1ppm
Temperature	32 to 122°F (0 to 50°C)
Accuracy	±1.8°F/0.8°C
Resolution	0.1°F/°C
Humidity	10 to 90%
Accuracy	±4%RH
Resolution	0.1%
Datalogging	20M data using 2G SD memory card
Dimensions	5.2 x 3.1 x 1.3" (132 x 80 x 32mm)
Weight	9.9oz (282g)

More products EXTECH

EXTECH 480400 PHASE SEQUENCE TESTER

• Checks phase sequence and phase status
• Tests up to 600VAC and displays graphical phase orientation on the large LCD
• Double molded durable housing
• Easy to use alligator clips with wide jaws

EXTECH EX900: EXSTIK® 4-IN-1 CHLORINE, PH, ORP AND TEMPERATURE KIT

• Includes CL200 meter, pH and ORP electrodes, reagent tablets, 4 plastic cups, weighted stand, pH buffer pouches, batteries and carrying case
• 4-in-1 Water Quality Meter measures Chlorine, pH, ORP plus Temperature with interchangeable flat surface electrodes (included)
• Flat surface electrodes work in liquids, semi-solids and solids
• Memory stores and recalls 15 readings and saves last calibrated value
• Large 3-1/2 digit (2000 count) Digital display with bargraph

EXTECH DL160 DUAL INPUT TRUE RMS AC VOLTAGE/CURRENT DATALOGGER

• Simultaneously measure two AC Voltage inputs or two AC Current inputs or one AC Voltage and one AC Current input
• Readings can be downloaded to your PC via the USB interface and analyzed using the included software or exported to a spreadsheet
• LCD indicates time/date, current readings and Min/Max
• Auto Power off and battery check

EXTECH EX350 11 FUNCTION TRUE RMS MULTIMETER + NCV

• 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

EXTECH RH520A-220 HUMIDITY+TEMPERATURE CHART RECORDER WITH DETACHABLE PROBE (220V)

• 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

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 EX310 9 FUNCTION MINI MULTIMETER + NON-CONTACT VOLTAGE DETECTOR

• Manual ranging DMM with 9 functions and 0.5% basic accuracy
• AC/DC Voltage & Current, Resistance, Diode/Continuity
• Built-in non-contact AC voltage detector (NCV) with red LED indicator and audible beeper
• Battery test function for 1.5V and 9V batteries
• Large-digit 2,000 count LCD display

EXTECH EX530 11 FUNCTION HEAVY DUTY TRUE RMS INDUSTRIAL MULTIMETER

• True RMS DMM with 11 functions and 0.06% basic accuracy
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode/Continuity
• Dual sensitivity frequency functions (electrical/electronic)
• 1000V input protection on all functions
• 20A max Current

EXTECH 380363 DIGITAL HIGH VOLTAGE INSULATION TESTER

• 250V, 500V and 1000V Test Voltages
• Measure Insulation Resistance to 10GOhm
• Large LCD display with analog bargraph
• Lo Ohm function for testing connections

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