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 401025 FOOT CANDLE/LUX LIGHT METER

• 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

EXTECH ET40 HEAVY DUTY CONTINUITY TESTER

• Ideal for checking continuity of non-energized components, fuses, switches, relays, wiring and circuit boards
• 30" (76cm) test lead with alligator clip

EXTECH 382270 QUAD OUTPUT DC POWER SUPPLY

• Two fully adjustable supplies combined with two auxiliary outputs
• Two 0 to 30V/0 to 5A outputs with selectable Constant Voltage and Constant Current modes
• Two auxiliary outputs with fixed current of 3 to 6.5V/3A and 8 to 15V/1A

EXTECH MA250 200A AC CLAMP METER + NCV

• 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

EXTECH 382260 80W SWITCHING MODE DC POWER SUPPLY

• Performs like 3 power supplies in one
• 3 selectable ranges: 0 to 16V/0 to 5A; 0 to 27V/0 to 3A; 0 to 36V/0 to 2.2A
• 4-Digit LED displays
• Front/Rear output terminals

EXTECH RHT35 USB HUMIDITY/TEMPERATURE/BAROMETRIC PRESSURE DATALOGGER

• Compact size housing with built-in NTC thermistor, capacitive humidity sensor, and barometric pressure MEMS sensor designed with standard USB connector for easy data downloading to a PC
• 5-digit LCD display with battery life indicator
• User programmable settings: 6 languages, sample rate, start delay time, alarm delay time, high/low alarm range, and security feature
• Status Indication via Red and Green LEDs
• Start button begins continuous datalogging, which continues until memory is full at 48,000 readings (16K for each parameter), or when Stop button is pressed
• Bookmark 8 locations in a data recording log with a press of the Mark button

EXTECH EX503 10 FUNCTION HEAVY DUTY INDUSTRIAL MULTIMETER

• Averaging DMM with 10 functions and 0.5% basic accuracy
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode/Continuity
• Dual sensitivity frequency functions (electrical/electronic)
• 1000V input protection on all functions
• 10A max Current

EXTECH HD350 PITOT TUBE ANEMOMETER + DIFFERENTIAL MANOMETER

• Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature
• ±0.7252psi range
• 5 selectable units of pressure measurement
• Max/Min/Avg recording and Relative time stamp
• Data Hold and Auto power off functions

EXTECH MG320 CAT IV INSULATION TESTER/TRUE RMS MULTIMETER

• Measure Insulation Resistance to 20GO
• 5 Test Voltage ranges
• Polarization Index (PI) and Dielectric Absorption Ratio measurements (DAR)
• Low Resistance measurement with Zero function
• Programmable Timer feature sets the duration of test

EXTECH MN16A DIGITAL MINI MULTIMETER

• Large easy to read digital display
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Continuity, Diode Test, Type K Temperature and Duty Cycle
• Auto power off with disable feature
• Complete with two AAA batteries, general purpose Type K bead wire probe and test leads