User's Manual

ManualsBrandsPASCO Specialty & Mfg. ManualsMarine InstrumentsPASCO Specialty & Mfg. Flow Rate/Temperature Sensor 0605MNMMDWJEIN

Instruction Sheet

012-08622B

Flow Rate/Temperature Sensor

PS-2130

*See the PASCO catalog or the PASCO web site at www.pasco.com

for more information.

Introduction

The PS-2130 Flow Rate/Temperature Sensor measures the

flow rate and temperature of moving water. The impeller

housing contains a propeller mounted on a low friction brass

shaft. Magnets on the propeller revolve as the propeller

turns, and the revolutions are recorded by a Hall effect sens-

ing element. The Hall effect sensing element minimizes arti-

fact pulses that sometimes occur with a magnetic reed

switch. The propeller makes 4.31 revolutions for each linear

foot of water that passes, so 8.62 pulses are produced for

each linear foot of water passing through the housing.

The Flow Rate Sensor transforms the kinetic energy of mov-

ing water into electric pulses that are converted into velocity

measurements and viewed in the data acquisition software.

The Flow Rate Sensor measures in feet per second (ft/s) or

meters per second (m/s). The built-in temperature sensor

measures temperature at the same point as the flow rate is

measured.

The tube of the Flow Rate/Temperature Sensor can be

extended to a total length of 7 feet (2.13 m). The outer part of

the tube has depth markings in inches and centimeters. The

impeller housing has an arrow to indicate the direction to

hold the sensor so that the water flow can be measured.

The sensor is designed to work with a PASPORT-compatible

interface (such as the PS-2002 Xplorer GLX hand-held data-

logger) and PASCO data acquisition software.

Sensor Operation

• Connect the sensor plug to one of the PASPORT input

ports of a PASCO PASPORT-compatible interface.

NOTE: If more distance is needed between the sensor and

the interface, plug the sensor into a Sensor Extension Cable

(PS-2500) and then plug the cable into the interface.

Safety CAUTION!

SAFETY TIPS: When using the Flow Rate Sensor outdoors,

follow standard water and outdoor safety precautions. The

Flow Rate Sensor is recommended for use in streams and

lakes (avoid turbulent waters or rivers). Always be aware of

potential hazardous conditions in the area. Do not use the

sensor in high winds, adverse weather or avalanche condi-

tions, near potential land or mudslides, or when standing on

unstable ground. Before using the sensor, survey the area.

When inserting the Flow Rate Sensor into water, stand on

stable ground or in shallow water. Keep the Flow Rate Sen-

sor away from water that has lots of debris or potential obsta-

cles. If the propeller or sensor becomes lodged in a high

velocity current or near a drop off, do not attempt to remove

Handle

Depth Scales

(cm and in)

Impeller

Housing

PASPORT

Sensor

Plug

Propeller

Close-up view of

the propeller

Flow Direction

Arrow

Ribbed

Sections

Included Item

Flow Rate/Temperature Sensor

Required Items*

PASCO Interface

PASCO Data Acquisition Software

Sensor Plug

PASPORT

Input Port

Interface

Summary of content (3 pages)

PAGE 1
Instruction Sh eet 012-08622B Flow Rate/Temperature Sensor PS-2130 Flow Direction Arrow Propeller Handle Ribbed Sections Depth Scales (cm and in) PASPORT Sensor Plug Close-up view of the propeller . Included Item Flow Rate/Temperature Sensor impeller housing has an arrow to indicate the direction to hold the sensor so that the water flow can be measured.
PAGE 2
F lo w R a t e / T e m p e r a t u r e S e n s o r Sp ecifi ca t ions the sensor. In high risk situations, only allow a water patrol officer or public safety official to remove the sensor. • Item Always hold the pole vertically and keep the propeller in the direction of the current flow, facing upstream. • When taking a reading, keep the handle steady. • If the flow rate reading suddenly falls to zero midstream, check the propeller for debris.
PAGE 3
Model No.PS-2130 T e c h n ic a l S u p p o r t vals across the stream. For each measurement, submerge the impeller housing until it rests on the stream bed. Keep the sensor vertical. Record each depth. • Connect the sensor plug to the interface and take a flow rate measurement in meters/second for each interval. Take a separate data run for each measurement. Estimating Total Water Output • Calculate the approximate cross-sectional area of the stream.