Vaisala HMDW60 Manuel d'utilisateur télécharger pdf (Page 2)

Technical Data

Performance

CARBON DIOXIDE MEASUREMENT

Measurement range 0 ... 2000 ppm

(nominal; can be calibrated for other ranges:

0 ... 5000 ppm, 0 ... 10,000 ppm, 0 ... 20,000 ppm)

Accuracy (including repeatability, non-linearity

and calibration uncertainty) ± (2 % of range + 2% of reading)

Long-term stability <±5 % of range / 5 years

Response time (63%) 1 minute

Warm-up time 1 minute, 15 minutes full specifications

Accessories and Options

Display and relay option for GMD20 GMI21

Relay output option GMR20

LonWorks

module with CO

signal GML20

(Not available when display option is added)

Serial COM adapter 19040GM

Hand-held meter for field verification GM70

Operating Environment

Temperature -5 ... +45 °C (+23 ... +113 °F)

Humidity 0 ... 85 %RH, non-condensing

Flow velocity (GMD20) 0 ... 10 m/s

Electromagnetic compatibility EN61326-1, Generic Environment

Mechanics

Housing material ABS plastic

Housing classification (GMD20 electronics housing) IP65

Weight: GMD20 (D) 140 g (170 g)

Inputs and Outputs

Outputs 0 ... 20 or 4 ... 20 mA and 0 ... 10 V

Optional outputs relay

LonWorks

interface

Resolution of analog outputs 8 bits

Recommended external load:

current output max. 500 ohm

voltage output min. 1 kohm

Operating voltage nominal 24 VAC/DC (18 ... 30 VDC)

Connections screw terminals, wire size 0.5 ... 1.5 mm

Power consumption <2.5 W

Dimensions

Dimensions in mm

GMD20 and GMD20D

CARBOCAP

is a registered trademark of Vaisala.

This material is subject to copyright protection, with all

copyrights retained by Vaisala and its individual partners. All

rights reserved. Any logos and/or product names are trademarks

of Vaisala or its individual partners. The reproduction, transfer,

distribution or storage of information contained in this brochure

in any form without the prior written consent of Vaisala is strictly

prohibited. All specifications — technical included — are subject

to change without notice.

Please contact us at

www.vaisala.com/requestinfo

www.vaisala.com

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Vaisala HMDW60 Manuel d'utilisateur Page 2

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