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AirSense

Model I-310en Operator’s Manual 

10/16/11

Page:

3

Specifications 

Operating principle 

Non-dispersive infrared (NDIR) 

Gas sampling method 

Diffusion or sample draw 

Measurement range 

400 - 2000 ppm CO

2

 (standard) 

Field adjustable to 5000 ppm 

Typical drift (per year) 

±

75 ppm (@ 1200ppm) 

Accuracy 

±

5% of reading or 

±

75 ppm, 

whichever is greater 

Repeatability 

±

20 ppm 

Recommended Calibration Interval 

Five Years 

Response time 

Less than 1 minute 

Operating temperature range 

0 to 50 

°

 C 

Operating humidity range 

0 - 90% RH (non condensing) 

Storage temperature 

-30 to + 60 

°

 C 

Power requirements 

20 - 28 V

RMS

 AC, 18 - 30 VDC 

Power consumption 

Less than 2W @ 24 VAC 

Calibration verification time 

10 minutes typical 

Dimensions 

5.2" x 3.2" x 1.4"  

Voltage output (linear) 

0 - 10 volts DC 

Current output (linear) 

4 - 20 mA    (R

 500

Ω

Warm-up time 

3 minutes 

Weight 

6.5 Oz.  (.35 Kg) 

Optional Digital Display 

4 digit, .35" LCD 

Optional 

setpoint range 

0 to full scale 

High 

Limit 

contact polarity 

jumper selectable 

Contact 

contact rating 

2A @ 24 VAC 

Operating life expectancy 

10 years typical 

Warranty 

18 months, parts and labor through 

repair or exchange 

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

Specifications subject to change without notice. | 111011 | PRE 200217 | Page 6 of 17

I-310eN – UserManual

Summary of Contents for AirSense I-310en

Page 1: ...oway CA 92064 Ph 858 578 7887 Fx 858 578 4633 Email info inteccontrols com www inteccontrols com INTEC Controls 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 888 GO INTEC inteccontrols co...

Page 2: ...or s Manual Date 10 11 11 INTEC Controls 12700 Stowe Drive Suite 100 Poway CA 92064 Ph 858 578 7887 888 GO INTEC inteccontrols com Specifications subject to change without notice 111011 PRE 200217 Pag...

Page 3: ...p of Scale Adjustment 9 Altitude Correction Considerations 10 Altitude Correction Procedure 10 Calibration 11 Verification Procedure 11 Optional High Limit Contact Relay 13 Setting High Limit Contact...

Page 4: ...ation systems and indoor living spaces Its default measurement range of 0 2000 ppm parts per million 1000 ppm 0 1 covers the range required to monitor compliance with ASHRAE or other ventilation effic...

Page 5: ...tandard factory high CO2 limit is 1000 ppm but can be adjusted in the field The procedure for adjusting the high CO2 limit is described on page 7 The display option adds a 4 digit liquid crystal displ...

Page 6: ...C Power requirements 20 28 VRMS AC 18 30 VDC Power consumption Less than 2W 24 VAC Calibration verification time 10 minutes typical Dimensions 5 2 x 3 2 x 1 4 Voltage output linear 0 10 volts DC Curr...

Page 7: ...page 5 Mounting The Model I 310en is designed for flush mounting with two fasteners The locations of the mounting points shown in Figure 1 allow direct mounting on a standard simplex single circuit ju...

Page 8: ...Analog Output Selector DOWN button Analog Output Upper Mountinhg Screw Access Wiring Access C DCS 2010 32 0310 30 4 20mA OUT RLY POWER V I DN 0 10V UP SEL SW3 J4 SW1 SW2 JP4 JP1 JP3 JP5 JP2 Lower Mou...

Page 9: ...connected with the shorting block a voltage output appears at the terminals marked ANALOG OUTPUT The output voltage increases linearly with CO2 concentration from 0 volts at 0 ppm to 10 volts at the...

Page 10: ...high CO2 limit is a standard feature of the Model I 310en The front panel LED changes from steady to blinking when the indicated concentration is above the high CO2 limit value An optional contact clo...

Page 11: ...screwdriver or the like to momentarily connect the two pins of JP1 while JP3 is closed 2 If the display is present it will show the current high CO2 limit hysteresis value in ppm CO2 If there is no di...

Page 12: ...th pins or only a single pin then borrow the shorting block and slide it over the two pins of jumper JP4 see Figure 2 on page 5 2 If the display is present it will show the current top of scale value...

Page 13: ...for a lower reading before performing this procedure 2 Multiply the reading by the scale factor corresponding to the operating altitude in the altitude correction table For instance if the unit is ope...

Page 14: ...e air are typically between 375 and 450 ppm A more accurate calibration check requires the use of calibration gas of known concentration 2000 ppm calibration gas is recommended A calibration kit that...

Page 15: ...r JP5 is covering both pins or only a single pin then borrow the shorting block and slide it over both pins of jumper JP2 see Figure 2 on page 5 7 Use the UP and DOWN buttons see Figure 2 on page 5 to...

Page 16: ...JP5 as shown in the table below Jumper JP5 Relay Operation CLOSED factory default normally open closes above setpoint OPEN normally closed opens above setpoint To open jumper JP5 remove the shorting...

Page 17: ...these two limitations can not be met contact the factory for guidance on achieving maximum accuracy under these conditions Safety Critical Applications These products are not designed intended or aut...

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