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Ref.No.

082019 

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 flashes 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

 - Dual Beam (NDIR Non-Dispersive-Infrared)

 

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 1,001~2,000ppm; 10ppm at 2,001~3,000ppm 

Accuracy 

±50 ppm or ±5% of reading

 

Repeatability 

±20 ppm 

 

Temperature Dependence 

Typ.

 

±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 

About 2min for 63% of step change

 

Warm-Up Time 

<60 seconds at 22°C

 

 

 

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)

 

When the fan blows to the device directly, the accuracy of temperature is + / -1.5 degC .

 

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 

 

 

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 

CAUTION

 

The device can be supplied either by batteries or an AC adapter.   

DO NOT

 install batteries and plug in an AC adapter at the same time. 

 

 

 

 

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 device. 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. 

 

 

Radiant Innovation Inc.

  Http://www.ZyAura.com

 

1F, No.3, Industrial East 9

th

 Road, Science-Based Industrial Park, HsinChu, Taiwan 300.   

 

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