12
Technical data
12.1
System: GM700 Ex version 3G / zone 2
Measured variable
NH
3
, NH
3
/ H
2
O
Measuring principle
Diode laser Spectroscopy (TDLS)
Measuring path length
0.25 ... 1.5 m, depending on the application
Measuring ranges
•
NH
3
: 0 ... 25 ppm / 0 ... 4,000 ppm
•
H
2
O: 0 ... 5 ppm / 0 ... 40 Vol%
Measuring ranges refer to 1 m measuring path
Measuring ranges dependent on the application and device
version
Response time
1 s ... 360 s, adjustable
Precision
•
Zero point : ≤ ± 2 %, relative to upper measuring range
value
•
Sensitivity: ≤ ± 2 %, in maintenance interval (6 months),
relative to upper measuring range value
Process gas pressure
Max. 1,100 mbar absolute
Process gas temperature
–20 °C ... +250 °C, depending on device version
Ambient temperature
–20 °C … +50 °C, depending on device configuration,
"Ambient temperature ranges", page 99
; temperature
change maximum ±10 °C/h
Storage temperature
-20 °C … +50 °C
Ambient humidity
≤ 85 % relative humidity; non-condensing
Conformities
CE
Directives / Standards
2014/34/EU ATEX
•
EN 60079-0:2012
•
EN 60079-2:2014
•
EN 60079-11:2012
•
EN 60079-28:2015
2014/30/EU EMC
•
EN 61326-1:2013 Emission and Immunity; Industrial
Environment (Class A)
2014/35/EU Low Voltage Directive
•
EN 61010-1:2010
Ex certifications
•
Connection unit and sender/receiver unit: 3G / Zone 2
•
Process gas: Ex-free
•
ATEX :
X
II 3/-G Ex pzc op is [ia] IIC T4 Gc/-
Control functions
•
Automatic check cycle for zero and span point
12.2
Sender/receiver unit
Table 25: Technical data GM700 sender/receiver unit
Description
Analyzer unit of measuring system
Degree of protection
IP 65
Dimensions (W x H x D)
239 mm x 401 mm x 338 mm
Weight
14 kg
Power supply
Supply via evaluation unit: 24 V DC
12
TECHNICAL DATA
90
O P E R A T I N G I N S T R U C T I O N S | GM700 Ex
8019532/100Q/V1-1/2018-08 | SICK
Subject to change without notice