Data Industrial 200 Series Benutzerhandbuch

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The flow sensors generate a frequency which is proportional to flow rate. An internal preamplifier allows the

pulse signal to travel up to 2000 feet without further amplification. Power to operate the sensor is provided by

the flow monitor. The impeller bearing assembly, shaft and O-rings are replaceable in the field.

Data Industrial flow sensors feature a closed, six-bladed impeller design, using a proprietary, non-magnetic

sensing technology. The forward-swept impeller shape provides higher, more constant torque than four-bladed

impeller designs, and is less prone to fouling by water-borne debris. The forward-curved shape, coupled with

the absence of magnetic drag, provides improved operation and repeatability, even at lower flow rates. As the

liquid flow turns the impeller, a low impedance signal is transmitted with a frequency proportional to the flow rate.

Sensors of similar type are interchangeable, so there is no need for recalibration after servicing or

replacement.

Electronic Types

Data Industrial provides several basic sensor configurations using the same impeller element. This allows for a

wide range of applications and pipe sizes. Sensors are normally supplied with 20 feet of 2-conductor 20 AWG

shielded U.L. type PTLC 105°C cable. Optional sensors designated with the prefix "IR" feature two single

conductor 18 AWG solid copper wire leads 48 inches in length with U.L. Style 116666 direct burial insulation.

These IR models are used in below grade applications such as irrigation, municipal, and groundwater monitor-

ing. All 200 series sensor electrical components are self-contained. Pressure/temperature ratings for the

various models are contained in the Specifications section of this manual. These models can be further de-

scribed as follows:

"Standard" Sensor

Designed for indoor or protected area applications such as HVAC, pump control, and industrial process monitor-

ing where the flow rates are between 0.5-30 feet/second and temperatures are below 221°F. Standard sensors

are supplied with 20 feet of 2-conductor 20 AWG shielded U.L. type PTLC 105°C cable.

"IR" Sensor

Designed for below grade applications such as irrigation, municipal, and groundwater monitoring where the flow

rates are between 0.5-30 feet/second and temperatures are below 180°F. IR sensors are supplied with two

single conductor, 18 AWG solid copper wire leads 48 inches in length with U.L. Style 116666 direct burial

insulation.

200 Series

Plastic Tee Type Flow Sensors

by Data Industrial

Owner's Manual

Introduction

Used in conjunction with any Data Industrial flow monitor or

transmitter, Data Industrial non-magnetic flow sensors provide an

accurate reading of the rate of liquid flow as well as total

accumulated flow. A number of sensor models are offered,

which cover applications for a wide range of pipe sizes and

pressure/temperature specifications.

PN# 72022

10/10/02 Rev E1