Honeywell WPS Series Quick Start Manual page 14

Quick Start Guide for the
WPS Series Wireless Pressure Sensor
Figure 2. Typical Arrangement for 1/2 NPT Process Connection Piping
, ATTENTION
For liquid or steam, the piping should slope a minimum of 25,4 mm [1 in] per 305 mm [1 ft]. Slope the piping down towards the
sensor if the sensor is below the process connection so the bubbles may rise back into the piping through the liquid. If the sensor
is located above the process connection, the piping should rise vertically above the sensor; then slope down towards the flowline
with a vent valve at the high point. For gas measurement, use a condensate leg and drain at the low point (freeze protection may
be required here).
m CAUTION
Property damage may result if operating temperature limits of sensor are exceeded. Sensor housing must not exceed 85 °C [185
°F]. To reduce the temperature of the process that comes into contact with the sensor meter body, install impulse piping. As a
general rule there is a 56 °C drop [100 °F] in the temperature of the process for every foot (305 mm) of ½ inch uninsulated piping.
3.1.2 Process Connections
Table 5. Process Connections
Sensor Type Process Connection
Process head with 1/2 inch NPT male and 1/4" NPT female connection
Gage
Thread adapter with 3/4" NPT male and 1/2" female connections is optional
Process head with 1/2 inch NPT male and 1/4" NPT female connection
Absolute
Thread adapter with 3/4" NPT male and 1/2" female connections is optional
8 Honeywell Sensing and Control
50095585
ISSUE 1