SPX series

Melt pressure sensors series SPX - 4

SPX-4 Series

The Dynisco SPX-4 Series is an intelligent pressure transmitter with a 4-20 mA output signal designed for use in hazardous, potentially explosive environments and is available with a variety of process and electrical connections.
These amplified transmitters eliminate the need for external signal conditioning. All models can be directly connected to high-level distributed control systems, PLCs, computers and similar control systems. With the possibility of optional functions such as temperature measurement using thermocouples or RTD.

Inquiry system 

Configure your product, according to your requirements and needs. If you are not sure about the configuration, make the necessary information in the notes about the manufacturer of the sensor, even a competing one. We will be happy to help you find an alternative from Dynisco products. If your request is urgent, let us know, we will do our best to help you resolve this situation as quickly as possible. If we have this information, we can offer a model with small differences and you can have a sensor in your company the next day.

SPX-4 series - Pressure sensor - model:



Pressure range:
from 17.5 bar up to 2000 bar
from 250 PSI up to 30 000 PSI
from 1.75 MPa up to 200 MPa
from 3.500 KPa up to 70 000 KPa
from 17.5 kg/cm2 up to 2000 kg/cm2
± 0.25% for pressure ranges >1,500 psi
± 0.50% for pressure ranges < 1,500 psi
± 0.25% for pressure ranges >1,500 psi;
± 0.50% for pressure ranges < 1,500 psi
± 0.25% for pressure ranges  > 1,500 psi;
± 0.50% for pressure ranges < 1,500 psi
4502 ± 0.50%
4622 ± 0.50%
4672 ± 0.50%
Overload capacity:
2X FSO or 35,000 psi,
which is less than 1.2 X FSO 35,000 - 72,500 psi
Repeatability: 0.1 %  f.s.v
Material in Contact with Media: DyMax coating 15-5 PH SST
Sensor connection: 1/2"-20 UNF , M18 x 1.5
Mounting torque:

4222: 500 inch-lbf max
4232: 50 inch-lbf max
4352: 500 inch-lbf  max
4502: 350 inch-lbf  max
4622: 500 inch-lbf  max
4672: 500 inch-lbf max

Sensor construction: according to the configuration



Max. membrane temperature:
(400°C) max [model SPX4502 limitován do 315°C ]
Zero shift (due to temperature):
4222: 27 psi/100°C typical
4232: 27 psi/100°C typical
4352: 27 psi/100°C typical
4502: 1 psi/100°F (od 75-450°F); 2 psi/100°F (od 450-600°F)
4622: 45 psi/100°C typical
4672: 45 psi/100°C typical
Max. sensor body temperature: 85°C
Zero shift (due to temperature):

4222: 0.02% F.S./°C max
4232: 0.02% F.S./°C max
4352: 0.02% F.S./°C max
4502: 0.02% F.S./°C max
4622: 0.10% F.S./°C max
4672: 0.10% F.S./°C max

Shift sensitivity (due to temperature):

4222: 0.02% F.S./°C max
4232: 0.02% F.S./°C max
4352: 0.02% F.S./°C max
4502: 0.02% F.S./°C max
4622:  0.04% F.S./°C max
4672:  0.04% F.S./°C max



Supply Voltage:
16 - 36 Vdc (Standard); 16 - 30 Vdc (ATEX IS)
Output signal:
4 - 20 mA with optional HART ™
Zero setting:
  Connector: 6 Bendix PIN connector
  Leakage Resistance: 500 Ω @ 24 Vdc, 1,000 Ω @ 36 Vdc
  Internal Shunt Calibration: 80%   f.s.v ± 0.50%   f.s.v



Torque wrench Wera 20 - 100 Nm

Torque wrench Wera 075611 Click-Torque B 2 with switch ratchet 3/8 "(20 - 100 Nm)

Wera Click-Torque torque wrenches are supplied as switch ratchets (with connection dimensions 1/4 ", 3/8", 1/2 "and 3/4") or with clamping for socket tools (9x12 mm, 14x18 mm) for tightening torques from 2.5 Nm up to 1,000 Nm.
All Wera Click-Torque torque wrenches manufactured in accordance with DIN EN ISO 6789 are supplied with a declaration of conformity.

Transducer Mounting Hole Cleaning Tool Kit

Installation of transducers into improperly cleaned or sized holes is one of the major causes of damage to these instruments. With this kit, the .312" tip diameter hole, the 45 degree seating surface, and the .451" hole can be cleaned. The kit includes a gauging plug which is used to verify that the hole has been correctly machined and cleaned. M10 and M18 cleaning kits also available.

Transducer Mounting Hole Machining Tool Kit

The Dynisco Transducer Mounting Hole Machining Tool Kit contains all of the necessary drills and taps to prepare a standard 1/2 - 20 UNF transducer mounting hole and the 45 degree seat. All tools included in this kit are made of premium grade, high strength tool steel. Care should be taken in the use of proper speeds and feeds, lubricants, and a method to assure continual alignment of each progressing tool. M10 and M18 kits are also available.

1480 Panel Indicator

1480 is a universal pressure or temperature indicator with one or double configurable alarm as well as optional linear retransmission of the displayed process. Ideal for use in extrusion applications.

1490 Panel Indicator

Indicator 1490 is a universal device with one or two configurable alarms, optional linear process variable retransmission, optional pressure sensor power supply, and optional Modbus communication.

UPR 900 Panel Indicator

The Dynisco UPR900 is a compact 1/4 DIN process indicator. The UPR900 can display your preferred production process values. Optional secondary input for displaying the temperature or pressure of the polymer melt all in one place. The secondary input can be a strain gauge to measure the differential pressure in the process. The UPR900 contains two standard assigned alarms with the option to add a third alarm.

ATC990 Process Controller

The ATC 990 series controller is a time-tested product that has received a new design and new functions. Compared to classic features such as pressure, temperature and alarm setting options, these new models are enhanced with the ability to monitor and record parameters to a USB drive, the undeniable advantage is the large display and interactive environment when setting up the controller.

PPS1210 calibration pump

The PPS1210 pressure calibration pump with heated pressure port enables fast and accurate inspection of melt pressure sensors directly in the laboratory or directly in the factory. Thanks to its compact dimensions, it is easily portable.

Certification & Approval

EU Declaration of Conformity

ISO 9001:2015

EAC - The Eurasian Conformity mark 

GOST Approval 

RoHS Compliance Fact Sheet

Safety Integrity Level - SIL2

Canada CSA Explosionproof Approval SPX2 & 5 Series


KTL IS Approval SPX

NEPSI Approval: SPX 2 Series

Explosion Protection Certificate of Conformity

US FM Explosionproof Approval SPX2 & 5 Series