DP Transmitter Adapters

Differential Pressure or "DP" Pressure Transmitters are used in almost every process industry to measure the flow of gas and liquids and it's important to keep them calibrated. One of the biggest difficulties people have in calibrating DP Pressure Transmitters is connecting a pressure calibrator and pressure source without removing the transmitter from service. All Ralston DP Transmitter Adapters are mounted to a block and bleed valve or a 3 or 5 valve manifold that allows the operator to equalize, vent and isolate the transmitter from the process. The Ralston Quick-test DP Transmitter Adapter makes this connection quickly in the field for easy testing.



Rosemount 2051, 3051 Series DP Pressure Transmitter Adapters

Model Max Pressure Connection Connection Materials
QTHA-FRS0 5000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel
QTFT-FRS0 5000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel
XTHA-FRS0 10000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test XT
Stainless Steel
XTFT-FRS0 10000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test XT
Stainless Steel


Yokogawa EJ series DP Pressure Transmitter Adapters

Model Max Pressure Connection Connection Materials
QTHA-FRS0 5000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel
QTFT-FRS0 5000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel
XTHA-FRS0 10000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test XT
Stainless Steel
XTFT-FRS0 10000 PSI
5/16-24 Male DP Transmitter/Gauge valve
Male Quick-test XT
Stainless Steel


Endress + Hauser Deltabar PMD55 and PMD75 Transmitter Adapters

Model Max Pressure Connection Connection Materials
QTHA-EHS0 5000 PSI
M8x1.25 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel
QTFT-EHS0 5000 PSI
M8x1.25 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel


Honeywell Smartline ST700 and ST800 Pressure Transmitter Adapters

Model Max Pressure Connection Connection Materials
QTHA-HNS0 5000 PSI
1/4-28 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel
QTFT-HNS0 5000 PSI
1/4-28 Male DP Transmitter/Gauge valve
Male Quick-test
Stainless Steel
XTHA-HNS0 10000 PSI
1/4-28 Male DP Transmitter/Gauge valve
Male Quick-test XT
Stainless Steel
XTFT-HNS0 10000 PSI
1/4-28 Male DP Transmitter/Gauge valve
Male Quick-test XT
Stainless Steel

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