6. MaxMin Mode
AIRCO2NTROL 3000 has a built-in MaxMin mode, which can provide users the Maximum and Minimum CO
2
readings since the device has
last been turned on.
6.1. Press the Mode button(
⑤
), until MAX MIN flashs
6.2. Press Enter button(
②
), MAX and MIN CO
2
reading alternatively shows.
6.3. “CLR” will flash if press Up/Down(
④
/
③
)
Press Enter(
②
),to CLEAR the MAX and MIN record .
6.4. Press Mode or Enter(
⑤
), return to UserMode
7. rcFSMode:
If user set or calibrated the sensor wrongly, you can recover the factory setting
7.1. Press the Mode button(
⑤
), until rcFS flashs on the lower display
7.2. Press Enter(
②
), “no” shows on the upper display
7.3. Press Up/Down(
④
/
③
), “no” change to “yes”
Press Enter(
②
), Factory Setting will reload, return to UserMode;
7.4. Press Mode(
⑤
), leave rcFS Mode, return to UserMode
SPECIFICATIONS (Preliminary Version)
Method -
NDIR
Display
- LCD
Independent CO
2
and Temperature readings.
Calculates and Displays Ventilation Rates
Sample Method -
Diffusion or flow through (50 ~200 ml/min)
■
Performance - CO
2
Measurement Range
0-3,000 ppm display
Display Resolution
1ppm at 0~1,000ppm; 5ppm at 1,000~2,000ppm; 10ppm at 2,000~3,000ppm
Accuracy
±50 ppm or ±5% of reading
Repeatability
±20 ppm
Temperature Dependence
±0.1% of reading per °C or ±2 ppm per °C, whichever is greater, referenced to 25°C
Pressure Dependence
0.13% of reading per mm Hg (Corrected via user input for altitude)
Response Time
<2min for 63% of step change
Warm-Up Time
<60 seconds at 22°C
Calibration Interval
12 months, offset adjustment using single gas at 0-1000 ppm CO
2
. Full factory calibration available
■
Performance - Temperature
Temperature Range
Display 32 to 122°F (0 to 50°C)
Display Resolution
0.1°F (0.1°C)
Display Options
°F / °C, or Off. Set with Up / Down button
Accuracy
±2°F (±1°C)
Response Time
20-30 minutes (case must equilibrate with environment)
■
Outputs
OC:
Normally Low,100mA max. @ 24 VDC. Adjustable setpoint, factory setting is 1000ppm,hysteresis is 50ppm
One RJ-45 Connector digital output
■
Power Supply
Two power supply types
Battery type: Alkaline, AA* 4 (80 hours)
External: 6 VDC from external AC/DC adapter which is included in package(Use specified AC adapter only)
Power Requiremen
t
160 mA Peak, 15 mA average from 6V
■
General Operating Conditions
Operating Temperature:
32-122°F (0-50°C) 0-95% RH, non-condensing
Storage Temperature: -
4 to 140°F (-20 to 60°C)
■
Dimensions
：
24.3×81.1×165 mm (0.96×3.19×6.50 inch)
Weight (including batteries)
：
273.6 grams(9.65 oz)
■
LCD ERROR MESSAGES
The device incorporates visual diagnostic messages as follows:
「
」
Error 3
, it
is displayed when the temperature being measured is outside of the measurement range.
「
」
「
」
Error 5~6,
it is necessary to reset the thermometer. To reset it, turn the instrument off, remove the battery and wait for
a minimum of one minute, reinsert the battery and turn on. If the error message remains please contact the Service
Department for further assistance.
