Hydra-Dry
Pressure Transducer
Construction
GEMÜ C32 Hydra-Dry is an electronic pressure transducer equipped with
a ceramic capacitive sensor. The sensor is isolated from the process by
the double diaphragm system. The body is made from PFA/PTFE and can
be directly integrated into the pipe system by common flare unions.
Only the PFA/PTFE body and the PFA diaphragm are wetted parts. The
pressure is transmitted by a ceramic sensor. No pressure transmission fluid
is required.
Features
• C32 is especially suitable for pressure measurement of ultra high purity
chemicals
• All wetted parts are made from High Purity PFA/PTFE
• The pressure is transmitted by a ceramic sensor
• The sensor is isolated from the process by a double diaphragm system
• Protection class IP 67
• REACH / RoHS compliant
• Other certificates on request (e.g. FDA compliance)
GEMÜ C32
Hydra-Dry
In-Line
with integrated
digital display
Advantages
•
•
•
•
•
•
•
•
Minimal deadleg
No transmission fluid, „dry solution“
Non-metallic ultra pure ceramic sensor
Vented double diaphragm isolates the sensor
All plastic housing
No additional auxiliary power required
5 different units of pressure can be freely set
Production, assembly, calibration and packaging in cleanroom ISO 6
GEMÜ C32
Hydra-Dry
Dead-End
External
digital display
for GEMÜ C32
Hydra-Dry
F
H1
H2 min.
Dimensions - GEMÜ CleanStar® Hydra-Dry C32
Table of dimensions
see last page
L
C32 HPW
Technical data
Maximum admissible current
Transmitter
0,027 A
Flow medium
Temperature
Suitable for any inert or corrosive gases or liquids,
- particularly high purity media - which do not corrode the
body and diaphragm materials.
Ambient:
Medium:
Storage:
depending on working pressure
Version of transmitter diaphragm
Double diaphragm system, vented
Power supply UB (digital display)
Material of wetted parts
Diaphragm Body
0... +60 °C
0... +60 °C
-20... +60 °C
DC 16 ... 30 V
PFA
PFA (In-Line), PTFE (Dead-End)
Display
Type:
Range:
Accuracy:
Flow direction
Optional
Temperature
Ambient:
0° to +60° C
Storage:
-20° to +60° C
Medium:
7-segment LED, red, 4-digit
-999 ... 6000
≤ ± 0.5 ± 1 digit (% of span)
Adjustment of scaling
Menu guided programming by external operating keys
Measuring range adjustable
Decimal point freely selectable
Programmable pressure units: bar, psi, kg/cm², MPa, kPa
Zero point freely adjustable within ±10 % of span
0° to +60° C
Pressure/temperature correlation
1/2”
Can be individually adjusted by external operating keys
Number: 2 x NPN Open collector galvanically separated
Function: Make contact, break contact
Adjustment: Freely adjustable within 1... 99 % of span
Temperature error: < 0.1 % / 10 K
Accuracy: ≤ ± 0.5 ± 1 digit (% of span)
Max. switching current: 300 mA (real)
Indication of switching status: LED
1/4” + 3/8”
3/4”
1” + 1 1/4” (only to 25°C)
Temperature [°C]
Pressure/temperature correlation for Flare connections
see brochure GEMÜ „FlareStar“
Electrical connection diagram
red
rot
UB+/S+
GEMÜ C32 without display
Pressure transmitter
Input signal
GEMÜ C32 with digital display
Analogue signal is directly looped through
SS+
HYDRA-Indicator
Cable length
S1
5 m, flying lead, FEP jacketed
Characteristic deviation
± 0.5 % of span
2
red
rot
brown
braun
gelb
yellow
S2
weiß
white
S-
+24 V
black
schwarz
schwarz
black
10k
Output signal
red
rot
10k
S+
HYDRA-Dry
4 ... 20 mA, two wire (supply from current loop,
6 V voltage loss)
C32
schwarz
black
0V/S-
DI1
DI2
PLC
Pressure [bar]
Switching output
0V
AI4...20mA
AI+
Order data
Transmitter
Nominal size
1/4” (only Dead-End)
3/8” (Dead-End + In-Line)
1/2“ (Dead-End + In-Line)
3/4“ (only In-Line)
1”
(only In-Line)
1 1/4” (only In-Line)
Pressure transmitter
Unit
Code
DN 4
DN 6
DN 10
DN 15
DN 20
DN 25
4
6
8
12
16
20
Mounting variant
BarB
psiP
kPaA
Measuring range*
Code
In-LineL
31
Flare connection with CPVA union nut
77
Body material
BH
Diaphragm material
Code
Display Code
E
8
8
L
L
I
S
High Purity version
PFAH3
C32
Code
WithoutZ
30
C32
Connection form
Separate digital display
26
PFA (In-Line)
Body material (code)
0...6,0 bar
Integrated digital display
Code
PTFE (Dead-End)
Connection (code)
0...600 kPa
BG
75
Flare connection with PFA union nut
Mounting variant (code)
0...100 psi
BF
0...4,0 bar
Cable outlet 5 m, IP 67 (FEP jacketed)
75
Flare connection with PVDF union nut
Nominal size (code)
0...2,5 bar
0...400 kPa
Pressure reference: Relative pressure
Not suitable for vacuum applications
13
NPT female thread (only Dead-End)
Type
0...250 kPa
Code
Code
NPT male thread (only Dead-End)
Order example
0...30 psi
0...60 psi
Dead-EndE
Connection
Code
Code
High Purity white
75
75
Diaphragm material (code)
Unit (code)
Measuring range (code)
Connection form(code)
Display (code)
Version High Purity (code)
3
30
30
H3
H3
B
B
HPW
BF
BF
E
E
Z
Z
C32
HPW
HPW
Dimensions GEMÜ CleanStar® Hydra-Dry C32
[mm/inch]
Dead-End
[0.47]
12.0
F
1/4″NPT
64 / 2.52
G
SW 27
(15/16″)
* Mounting with
slotted hole
H1
H2
L
F
B1
B2
ø d2
5.5
5.5
5.5
6.5
6.5
1/4” Flare
161 / 6.34
3/8” Flare
161 / 6.34
1/2” Flare
164 / 6.46
1/4” NPT female thread 117 / 4.61
*Tolerances: ± 2 mm / ± 0.08 inch
1.57
1.57
1.77
2.20
2.20
2.44
2.44
2.44
3.07
3.07
0.22
0.22
0.22
0.26
0.26
* Dear customers,
we are converting the mounting holes of all valve sizes to slotted holes
to simplify mounting. As the conversion in our manufacturing department can only take place successively you may reveice both valve
bodies with the new slotted holes and with the old round holes in the
starting phase. We hope you will understand this.
3/8” Flare*
1/2” Flare*
3/4” Flare*
1” Flare
1 1/4” Flare
130
130
135
160
160
155
155
160
185
185
118
122
122
165
225
16
16
19
25
25
3/8” Flare*
1/2” Flare*
3/4” Flare*
1” Flare
1 1/4” Flare
5.12
5.12
5.31
6.3
6.3
6.10
6.10
6.30
7.28
7.28
4.65
4.80
4.80
6.50
88.6
0.63
0.63
0.75
0.98
0.98
[inch]
40
40
45
56
56
62
62
62
78
78
H1*
With integrated digital display
40/1.57″
H2
min. 186 / 7.32
min. 186 / 7.32
min. 189 / 7.44
min. 142 / 5.59
L
44 / 1.73
44 / 1.73
47 / 1.85
-
External digital display
min. 53/2.09″
44,5 / 1.75
min. 38 / 1.50
Ø
Ø
69 / 2.72
78 / 3.07
Ø
/2 70
.7
6″
64/2.64″
2...24
0,04...0.47
Should there be any doubts or misunderstandings, the German
version of this data sheet is the authoritative document!
[mm]
64 / 2.52
SW 76
For further High purity products, accessories and other products, please see our
Product Range catalogue and Price List. Contact GEMÜ.
VALVES, MEASUREMENT
AND CONTROL SYSTEMS
GEMÜ Gebr. Müller · Apparatebau GmbH & Co. KG · Fritz-Müller-Str. 6-8 · D-74653 Ingelfingen-Criesbach · Tel. +49 (0) 7940/123-0 · Telefax +49 (0) 7940/123-224
[email protected] · www.gemu-group.com
Subject to alteration · 03/2012 · 88234569
B1
2
ød
L
Technical data sheet
SW 27
(15/16″)
SW 27
(15/16″)
12/0.47
B2
H1
H2
H1
H2
H1
H2 min.
[0.24]
6.0
In-Line

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