Brochure
Emerson Climate Technologies 
112
EX Valves & Controls
196
Supply voltage
Nominal
Range (polarity protected)
24Vdc
 7.. 30Vdc
Sensor lifetime ≥ 10.000.000 cycles 
with 1.0 nominal pressure
Permissible noise & ripple
Influence of supply voltage
< 1 Vp-p
< 0,02 %FS/V
Burst pressure See selection chart
Operating current Maximum ≤ 24 mA
4 to 20 mA output
Medium compatibility
not suitable for ammonia 
and inflammable refrig-
erants!
HFC, HCFC, CFC
Load resistance R
L
 ≤ Ub - 7.0V
 0.02A
Approvals
CE conformity
CE marking according 
to EMC
97/32/EC
CE marked according to 2004/108/EEC,
EN 61326
(Certificate upon request)
Response time ≤ 5 ms
Weight 
(without plug and cable 
ass.)
80 g Marking
(UL File Nr. E258370)
CE and UL
Mounting position Refer to operating instructions for 
more details
Vibration at 10…2000Hz 20g according to IEC 68-2-6
Temperatures
 Operating ambient 
housing
Medium
 Transport and storage
-40 .. +80 °C
-40 .. +100 °C
-20 .. +80 °C
Materials
Housing, pressure con-
nector and diaphragm 
with medium contact
Electrical connector
Brass sealing CR70,
Ceramic sensor cell AL2O3 96%
Highly resistive, fiberglas-enforced plastic 
(PBTGF30)
Packaging and Delivery Multipacks only (20 pieces) Protection class (EN 
60529)
IP65 with plug
Type Total error * Temperature range
PT6-18M ≤ ±1.5% FS -20…. +20 °C
PT6-30M ≤ ±1.5% FS
≤ ±2% FS
Typically ≤ 
±2% FS
0 …. +40 °C
-20 …. +60 °C
-20 …. +80 °C
PT6-50M ≤ ±1% FS
≤ ±2% FS
Typically ≤ 
±2% FS
0 …. +40 °C
-20 …. +60 °C
-20 …. +80 °C
Technical Data
Accuracy Performance
*) Total error includes non-linearity, hysteresis, repeatability as well as offset and 
span drift due to the temperature changes. 
  Note: %FS is related to Percentage of Full sensor Scale.
Electrical connections
PT6-xxM
(top view)
The PT4-Mxx cable assembly can only 
be fitted onto the Pressure Transmitters 
one way.
Locate the corresponding lug shown as 
(1) opposite. 
BN = brown, WH = white
(5) = Electronic Controller e.g. 
EC2 & EC3 Series
 PT6 Pressure Transmitter










