General Tools CDM77535 - CO2 Handheld Digital Humidity and Temperature Meter

General CDM77535 Handler Digital Environmental Meter with CO2, RH, Temperature

Measures ambient temperature, relative humidity (RH), dew point and wet bulb temperatures, and CO2 level
The backlit LCD displays ambient temperature, RH and CO2 level on separate readouts
Uses a stable, non-dispersive infrared (NDIR) sensor to measure CO2
Calculates, periodically updates and displays an 8-hr. time-weighted average
Adjustable Hi and Lo audible/visual CO2 alarm levels
Min/Max memory + data hold
Optional #ASFTKIT PC data logging software/hardware is available
33% and 75% #HR33 and HR75 reference salts are available to calibrate RH measurement in the field
Auto power off (can be disabled for data logging and calibration)
Wall or desktop mount

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Product	General Tools CDM77535 General CDM77535 Handler Digital Environmental Meter with CO2, RH, ...	General Tools CDM77232 Temperature-Humidity-CO2 Monitor with Output Relay
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General Tools ASFTKIT General Tools, ASFTKIT Downloadable Software And Cable for Meters

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Description

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Manuals/Guides

Manufacturer Specs

Specifications
CO2 Measurement Range	0 to 5000ppm
CO2 Measurement Accuracy	±50ppm ±5%of reading
Pressure Dependence of CO2 Measurement	+1.6% of reading per kPa deviation from sea-level atmospheric pressure (100kPa)
CO2 Calibration Level	400ppm
Temperature Measurement Range	14± to 140±F (-10± to 60±C)
Temperature Measurement Accuracy	±0.9±F (0.6±C)
Humidity Measurement Range	10 to 95%
Humidity Measurement Accuracy	±3%
Warm-up Time	30 seconds
Response Times	30 seconds for CO2 and temperature, 30 minutes for humidity
Auto Power Off	After 20 minutes of inactivity
Operating Temperature	32± to 122±F(0± to 50±C)@<80% RH
Storage Temperature	-4± to 140±F(-20± to 60±C)@<80% RH
Dimensions	8.2 x 2.8 x 2.2 in. (208 x 71 x 56mm)
Weight	5.6 oz. (159g)
Power Source	4 AA batteries (included)

Tech Specs

Dataloggers / Data Acquisition/Dataloggers for Environmental Variables/Humidity Dataloggers Template
Max Temperature	140 F (60 C) Max Temperature 60°C
Min Temperature	14 F Min Temperature -10°C
Power Source	AC Line, Battery
Battery Life	24 HR
Input Source	External Probe
# Data Points	9600
SAMPLE RATE/Intervals	3x/sec (not transmitting); 1x/sec (transmitting
Accuracy	:±0.9°F (0.6°C)
LCD Screen	Yes
Software Included	No
RH	95 %
Dew Point	Yes
Test Equipment General Attributes
Unique Features	IAQ monitoring and ventilation control Digital Wall Mountable / Desktop Type Output relay Warning Carbon Dioxide Warning Level Super Large LCD Display CO2 Value NDIR (Non-Dispersive Infrared) Waveguide Technology with ABC (Automatic Background Calibration ) Triple Display of CO2 Level, Temperature and Humidity TWA (8 Hour Weighted Average) STEL (15 Minute Weighted Average) Alarm Output Drive Relay to Control System Long Time Drift Compensation
Safety Approval	CE, RoHS
Interfaces I/O	RS-232
Product Weight	5.6 OUNCES (0.35 LBS)
Product Height	8.2 IN
Product Length	2.2 IN
Product Width	2.8 IN
Shipping Weight	1.75 LBS
Data Logging	No
Calibration Included	Factory Calibration
Power Supply Voltage	Battery Powered Power Supply Voltage 12V AC adaptor
Shipping Height	14.25 IN
Shipping Length	2.87 IN
Shipping Width	8.75 IN