HONEYWELL CRIR-E1 Datasheet

Download

Page 1

CRIR E1

Commercial Carbon Dioxide (CO2) Sensor, 400 ppm to 2000 ppm, up to 5000 ppm Extended Range

DESCRIPTION

The CRIR E1 Commercial Carbon

Dioxide (CO

non-dispersive infrared (NDIR) sensor.

Within the CRIR E1 is a sensing chamber

with an infrared source at one end and

a detector ﬁtted with an optical ﬁlter

at the other end. The source emits

radiation at wavelengths which include

the absorption band of CO2. The ﬁlter

blocks wavelengths which are not

sensitive to the presence of CO2, thereby

increasing selectivity and sensitivity.

As the light passes through the sensing

chamber, a fraction is absorbed if CO2

is present. The difference between the

light emitted by the source and received

by the detector can then be converted to

a CO2 concentration reading.

The Automatic Baseline Correction

(ABC) function can automatically

calibrate the sensor’s lowest reading

over a pre-conﬁgured interval to

400 ppm CO2. This enhances long term

stability and may eliminate the need for

calibration.

)

sensor is a single channel,

VALUE TO CUSTOMERS

• Small size

• Maintenance free for normal indoor

applications

• Enhanced long term stability

• Higher accuracy: ±50 ppm ±5% of

reading

• Consistency and repeatability

• Easy integration

POTENTIAL APPLICATIONS

• HVAC, demand controlled ventilation

• Indoor air quality (IAQ) measurement

• Air purification systems

• Smart /IoT (Internet of Things) systems

FE ATURES

• Single channel, non-dispersive infrared

technology

• Automatic Baseline Correction

• Temperature compensation

• UART digital interface

Page 2

COMMERCIAL CARBON DIOXIDE SENSOR, 400 PPM TO 2000 PPM

CRIR E1

TABLE 1. SPECIFICATIONS

CHARACTERISTIC PARAMETER

Target gas carbon dioxide (CO

Operating principle non-dispersive infrared (NDIR)

Standard range

1, 2

400 ppm to 2000 ppm, up to 5000 ppm extended range

Measurement interval 4 s

Accuracy

±50 ppm ±5% of reading

Typical response time (T90) <120 s

Sensor warm-up time 3 min typical

Repeatability >97%

Operating voltage 4.5 V to 5.5 V unprotected against surges and reverse connection

Power consumption 300 mA peak, 30 mA average

Alarm output, open collector

Serial communication

1000 ppm/800 ppm normal state is conducting max 100 mA. Transistor open at CO2 high or at sensor failure (see Figure 1).

UART, Modbus protocol

)

Operating temperature range 0°C to 50°C

Storage temperature range -40°C to 70°C

Operating humidity 0 %RH to 90 %RH non-condensed

Expected operating life 10 years

Maintenance

maintenance-free for normal indoor applications

Weight <8 g

Dimensions 33 mm x 22 mm X 11,2 mm (tolerance ±0,5 mm)

The CRIR E1 is designed to measure CO2 in the range of 4 00 ppm to 2000 ppm with the accuracy specified in Table 1; however,

exposure to concentrations below 4 00 ppm may result in incorrect operation of the ABC algorithm and should be avoided when the ABC is ON.

The CRIR E1 provides readings via UART in the extended range; however, the accuracy is reduced.

In normal IAQ applications, the sensor accuracy is defined after a minimum of three ABC periods of continuous operation.

The sensor accuracy is specified over the operating temperature range and referenced to certified calibration mixtures.

Uncertainty of calibration gas mixtures (±1% currently) is to be added to the specified accuracy for absolute measurements.

See the CRIR E1 User Guide for Modbus address and parameter definitions.

The CRIR E1 normally does not require maintenance in IAQ applications; however, for some industrial applications, maintenance

may be required.

FIGURE 1. ALARM STATE DIAGRAM

Sensing and Internet of Things

arm state open

CO2 concentration (ppm)

Page 3

COMMERCIAL CARBON DIOXIDE SENSOR, 400 PPM TO 2000 PPM

33,00

10,16

CRIR E1

FIGURE 2. MOUNTING DIMENSIONS (FOR REFERENCE ONLY: MM)

8,02

8,70

8,50

2,50

4,50

7,10

2,50

4,50

5,19 dia.

R0,50

22,00

7,00

TABLE 2. PINOUT

NUMBER

FUNCTION

1 DAC (See CRIR E1 User Manual) 2 UART_R XD 3 UART_TXD 4 UART_R /T 5

bCAL_in/CAL_in

PWM output (See CRIR E1 User Manual)

7 Alarm output

16,50

Center of gas inlet holes.

8 GND 9 Vin_(4.5 V to 5.5 V)

Label

1,00

0,64

7,62

2,54

29,70

2,54

TABLE 3. ORDER GUIDE

CATALOG LISTING DESCRIPTION

C06-0800-000 CRIR E1 Commercial Carbon Dioxide Sensor, 400 ppm to 2000 ppm, up to 5000 ppm extended range

Sensing and Internet of Things

Page 4

ADDITIONAL MATERIALS

The following associated literature is available at sensing.honeywell.com:

• CRIR E1 User Guide

WARRANTY/REMEDY

Honeywell warrants goods of its manufacture as being free of defective materials and faulty workmanship during the applicable warranty period. Honeywell’s standard product warranty applies unless agreed to otherwise by Honeywell in writing; please refer to your order acknowledgment or consult your local sales office for specific warranty details. If warranted goods are returned to Honeywell during the period of coverage, Honeywell will repair or replace, at its option, without charge those items that Honeywell, in its sole discretion, finds defective.

The foregoing is buyer’s sole remedy and is in lieu of all other warranties, expressed or implied, including those of merchantability and fitness for a particular purpose. In no event shall Honeywell be liable for consequential, special, or indirect damages.

While Honeywell may provide application assistance personally, through our literature and the Honeywell web site, it is buyer’s sole responsibility to determine the suitability of the product in the application.

m WARNING

PERSONAL INJURY

DO NOT USE these products as safety or emergency stop devices or in any other application where failure of the

product could result in personal injury.

Failure to comply with these instructions could result in death or serious injury.

m WARNING

MISUSE OF DOCUMENTATION

• The information presented in this product sheet is for reference only. Do not use this document as a product installation guide.

• Complete installation, operation, and maintenance information is provided in the instructions

supplied with each product.

Failure to comply with these instructions could result in death or serious injury.

FOR MORE INFORMATION

Honeywell Sensing and Internet of Things services its customers through a worldwide network of sales offices and distributors. For application assistance, current specifications, pricing or the nearest Authorized Distributor, visit sensing.honeywell.com or call:

Asia Pacific +65 6355-2828

Europe +44 1698 481481

USA/Canada +1-800-537-6945

Honeywell

Sensing and Internet of Things

9680 Old Bailes Road

Fort Mill, SC 29707

www. honeywell.com

Specifications may change without notice. The information we supply is believed to be accurate and reliable as of this writing. However, Honeywell assumes no responsibility for its use.