Hach GS2440EX, User Instructions, Page: 4 / 214

Table of Contents
1 Introduction on page 4
2 Specifications on page 4
3 General information on page 5
4 Installation on page 7
Section 1 Introduction
This document is an addendum to the GS1440, GS2440EX H
2
S Sensor User Manual . This
document supplies the safety precautions for installation of the GS2440EX sensor (LXV449.99.2000)
in hazardous locations.
Fully read the
GS1440, GS2440EX H
2
S Sensor User Manual before the installation or operation of
the sensor is started.
Section 2 Specifications
Specifications are subject to change without notice.
Specification Details
Safety/Hazardous location cETLus safety listed, CE (ATEX), UKCA (UKEX), IECEx certified
Enclosure Stainless steel EN 1.4404 (316L), IP68
Power requirements 12 to 28 VDC (4–20 mA loop), e.g., supplied by CAx440EX field transmitter
Power/4–20 mA connector
(intrinsically safe parameters) Ui: 30 V, li: 100 mA, Ci: 22 nF, Li: 100 μH, Pi: 0.70 W
RS-232 connector
(intrinsically safe parameters) Ui: 20 V, li: 100 mA, Ci: 0 nF, Li: 0 μH, Pi: 0.30 W
Operating temperature 0 to 40 °C (32 to 104 °F)
Storage temperature 0 to 60 °C (32 to 140 °F)
Humidity 0 to 100% relative humidity
Altitude 2000 m (6562 ft)
North American certification
(US and Canada) Class I Zone 0 AEx ia IIC T4 Ga
Class I Division 1 Groups A–D T4
Ex ia IIC T4 Ga
Tamb: -20 °C to 60 °C
Certificate: ETL21CA104799609X
IECEx certification Ex ia IIC T4 Ga
Tamb: -20 °C to +60 °C
Certificate: IECEx ETL 22.0003X
ATEX and UKEX certification
(EU, UK)
II 1G Ex ia IIC T4 Ga
Tamb: -20 °C to +60 °C
Certificate: ETL22ATEX0113X, ITS22UKEX0506X
UL standards
(US) UL STD 60079-0
UL STD 60079-11
UL STD 61010-1
CSA standards
(Canada) CSA STD C22.2 #60079-0
CSA STD C22.2 #60079-11
CSA STD C22.2 #61010-1-12
4 English