Technical Data - S+S Regeltechnik AERASGARD KLQ-W Operating Instructions, Mounting & Installation

G
®
AERASGARD KLQ - SD / KLQ - W
Patented quality product (patent no. DE 10 2014 010 719.1)
The maintenance-free microprocessor-controlled duct sensor AERASGARD
is used for determining the air quality based on a mixed gas sensor/VOC sensor. The measurement value is converted into standard signal of 0 -10 V.
The maintenance-free microprocessor-controlled duct sensor AERASGARD
switches) , enclosure with quick-locking screws, is used for determining the air quality or based on a mixed gas sensor/VOC sensor. The measure-
ment value is converted into standard signal of 0 -10 V or 4...20 mA.
It is used
- For air quality measurement in offices, hotels, meeting rooms and convention centres, apartments, stores, and restaurants, etc.
- For quantitative evaluation of room air pollution with contaminating gases (cigarette smoke, body perspiration, exhaled breathing air,
solvent vapours, emissions from building members and cleaning agents)
- For adjustable sensitivity regarding the maximum air contamination to be expected
- For room ventilation as-needed, enabled by air changes only taking place when air is polluted while conserving energy at the same time.
The sensor's service life depends on the type of burden and gas concentration and is more than 60 months under normal load conditions.
The new design allows you to choose between three sensitivity ranges that are adjusted using DIP switches, giving you three measuring ranges: LOW
for low, MEDIUM (default) for medium, and HIGH for high VOC sensitivity. VOC is the abbreviation for volatile organic compounds.
According to the definition by the World Health Organization WHO, VOC are organic substances with a boiling range from +60 to +250 °C.
Examples of VOCs include compounds of the substance groups alkanes ⁄ alkenes, aromatic compounds, terpenes, halogenated hydrocarbons, esters,
aldehydes, and ketones. There is a large number of naturally occurring VOCs, some of which are also released into the atmosphere in substantial
quantities, e.g. terpenes and isoprene from forests.

TECHNICAL DATA

Power supply:
Power consumption:
Sensor:
Measuring range:
Output:
Relay output:
Measuring accuracy:
Service life:
Gas exchange:
Warm-up time:
Response time:
Ambient temperature:
Electrical connection:
Enclosure:
Enclosure dimensions:
Cable gland:
Protective tube:
Process connection:
Protection class:
Protection type:
Standards:
24 V AC ⁄ DC (± 10 %)
< 1.5 W ⁄ 24 V DC typical; < 2.9 VA ⁄ 24 V AC typical; peak current 200 mA
VOC sensor (metal oxide) (VOC = Volatile Organic Compounds),
with manual calibration (via zero button),
KLQ - SD with automatic calibration (fixed)
KLQ -W with automatic calibration (can be deactivated via DIP switches)
0...100 % air quality; referred to calibrating gas;
multi-range switching (selectable via DIP switches)
VOC sensibility low, medium, high
(0 V = clean air, 10 V = polluted air)
KLQ - SD 0 -10 V (fixed)
KLQ - W 0 -10 V or 4...20 mA, working resistance < 800 Ω (selectable via DIP switches)
with offset potentiometer (± 10 % of the measuring range)
KLQ - SD without changeover contact
KLQ - W with potential-free changeover contact (24 V / 1 A)
(switchpoint adjustable from 0...100 % of output signal)
± 20 % of final value (referred to calibrating gas)
> 60 months
by diffusion
approx. 1 hour
approx. 1 minute, minimum flow rate 0.2 - 0.5 m / s
–10...+60 °C
2
0.14 - 1.5 mm , via terminals
plastic, UV-stabilised, material polyamide, 30 % glass-globe-reinforced,
colour traffic white (similar to RAL 9016),
KLQ - SD with snap-on lid,
KLQ -W with quick-locking screws (slotted ⁄ Phillips head combination)
72 x 64 x 37.8 mm (Tyr 1/Tyr 01 without display)
72 x 64 x 43.3 mm (Tyr 1 with display)
M 16 x 1.5 , including strain relief, exchangeable, max. inner diameter 10.4 mm
PLEUROFORM TM , material polyamide (PA6), with torsion protection,
Ø 20 mm, NL = 202.5 mm, v
max
by mounting flange, plastic (included in the scope of delivery)
III (according to EN 60 730)
KLQ - SD IP 43 (according to EN 60 529) enclosure only !
KLQ - W IP 65 (according to EN 60 529) enclosure only !
CE conformity, electromagnetic compatibility according to EN 61 326, EMC Directive 2014 ⁄ 30 ⁄ EU
®
KLQ - SD with automatic calibration (fixed), enclosure with snap-on lid,
® KLQ - W with automatic calibration (can be deactivated via DIP
= 30 m/s (air)
6
Rev. 2018 - V32