Extech Instruments SD800 User Manual page 6

RS232 Interface
For streaming of data to a PC via the RS232 Output jack, the optional 407001-USB kit (RS232 to USB
cable and driver CD) along with the 407001 software (available free at www.extech.com) are required.
Battery Warning, Installation and Replacement
1. When the AC adaptor is not connected and the
the batteries are weak and should be replaced. To replace or install batteries, remove the
Philips head screw that secures the rear battery cover and lift off the cover.
2. Replace the six AAA batteries (use alkaline heavy duty type), observing polarity.
3. Replace and secure the cover.
Battery Safety Reminders
 Please dispose of batteries responsibly; always observe local, state, and federal regulations
with regard to battery disposal.
 Never dispose of batteries in a fire. Batteries may explode or leak.
 Never mix battery types. Always install new batteries of the same type.
Specifications
Display
Measurement sensors
CO Response Time
2
Memory Card
Datalogger Sampling Time
Temperature Compensation
Display update rate
Data Output
Operating Temperature
Operating Humidity
Power Supply
Weight
Dimension
Temperature
Relative Humidity
CO
2
2.4 x 2.0" (60 x 50 mm) LCD
Temperature: Internal sensor
Relative Humidity: Precision capacitance type
CO : NDIR (Volume)
2
<2 min to 63% of final reading typical
SD memory card, 1 GB to 16 GB.
5/10/30/60/120/300/600 seconds or Auto.
Automatic
Approx. 1 second
RS 232
32 to 122°F (0 to 50°C)
Less than 90% RH
9V AC adaptor.
Six (6) AAA (UM4) 1.5 V batteries for clock backup
Meter: 0.53lbs. (240 g). Probe 0.35lb (158g)
Meter: 5.2 x 3.1 x 1.3" (132 x 80 x 32mm)
Probe: 5.2 x 1.5 x 1.3" (132 x 38 x 32mm)
Range
0.0 to 50.0 °C
32.0 to 122.0°F
10 to 70%
70 to 90%
≤1000ppm
>1000 to ≤3000ppm:
>3000ppm
low battery icon appears in the display,
Resolution
0.1°C
0.1°F
0.1%
1ppm
6
Accuracy (of reading)
± 0.8°C
± 1.5°F
± 4% RH
± (4% of reading + 1% RH)
± 40ppm
± 5% of reading
±250ppm typical
SD800-EN v2.7 08/13