200 UMG70XV3-4EN 12.01.2009
A Technical Data
Lamb Wave Transducers (without Explosion Protection and with Connection Sys-
tem AS)
technical type GRM1NC3 GRQ1NC3 GRP1NC3
order code GLM-NNNAS GLQ-NNNAS GLP-NNNAS
transducer frequency MHz 1 4 2
medium pressure
1
min. extended bar - - -
min. bar metal pipe:
10 (> DN 60)
5 (< DN 60)
metal pipe:
10 (> DN 15)
5 (< DN 15)
metal pipe:
10 (> DN 35)
5 (< DN 35)
outer pipe diameter
2
min. extended mm 30 7 15
min. recommended mm 40 10 20
max. recommended mm 90 22 50
max. extended mm 150 35 70
pipe wall thickness
min. mm 2 0.5 1
max. mm 5 1 3
material
housing PPSU with
stainless steel
cap304
(1.4301)
PPSU with
stainless steel
cap304
(1.4301)
PPSU with
stainless steel
cap304
(1.4301)
contact surface PPSU PPSU PPSU
degree of protection
according to EN 60529
IP 65 IP 65 IP 65
transducer cable
type 1699 1699 1699
length m 4 3 4
dimensions
length l mm 74 42 74
width b mm 28 18 28
height h mm 42.9 25.5 42.9
dimensional drawing
operating temperature
min. °C -40 -40 -40
max. °C +170 +170 +170
1
depending on application, typical value for natural gas, N
2
, compressed air
2
Lamb wave transducers:
typical values for natural gas, N
2
, O
2
, pipe diameters for other gases on request
pipe diameter min. recommended/max. recommended: in reflection mode and for a flow velocity
of 15 m/s
pipe diameter max. extended: in diagonal mode and for a flow velocity of 25 m/s