PASCO Specialty & Mfg. Pasco CI-6526 User Manual download pdf

Instruction Sheet

for the PASCO

Model CI-6526

Type K Temperature Sensor

012-05563D

low zero degrees Celsius. The Type-K Thermocouple

can be used in water and mild chemical solutions; but

it is well suited for dry measurements.

The sensor consists of the Type-K probe (Model

PS-2155) and the sensor electronics box. The sensor

box has a socket made from chromel and alumel that

is mounted very close to the AD595 integrated circuit

(IC). The IC provides the cold junction compensation

as long as the IC temperature is equal to the junction

temperature made by the socket and copper connec-

tions. The overall output voltage-to-temperature ratio

is 10 milliVolts per degree Celsius. The output voltage

range is -2.000 (at

-200°C) to +10.000 Volts (at +1,000°C).

Additional Equipment Needed

• Computer Interface such as a PASCO CI inter-

face or a PASPORT USB interface with an Ana-

log Adapter (PS-2158).

Optional Equipment

• The sensor box accepts any Type-K thermo-

couple, such as the CI-6536 High Temperature

Type-K Thermocouple Probe. The High Tem-

perature Type-K Thermocouple Probe is housed

in a 30.5 cm (12”) inconel metal cover (maxi-

mum temperature = +1148°C). Therefore, it can

be used in an open flame or for other high tem-

perature measurements.

Introduction

The PASCO Model CI-6526 Type-K Thermo-

couple Temperature Sensor is designed

to be used with a PASCO CI com-

puter interface or a PASPORT USB

interface with an Analog Adapter

(PS-2158). A thermocouple works

because junctions between dissimi-

lar metals or alloys in an electrical circuit

give rise to an electromotive force or voltage if they

are at different temperatures. This type of thermo-

couple is made from a chromel and alumel wire junc-

tion.

Range

The tip of the 003-05590 Type-K Thermocouple

Probe can withstand temperatures between -180°C

and +1260°C. However, the insulation material that

covers all but the tip of the sensor has a maximum

temperature of +482°C. You can use the sensor to

measure high temperatures such as those in a candle

flame if you keep the insulated portion of the sensor

out of the flame.

The thermocouple characteristics are fairly linear from

zero degrees Celsius up to the maximum temperature

with an error less than 3°C ± 3% of the reading over

the full range. Note that the error becomes larger be-

Temperature Range of

003-05590 Type-K Thermocouple Probe

insulation (maximum

temperature: +482°C)

tip (maximum

temperature: +1260°C)

1 2 3 4

Summary of Contents

Page 1 - Type K Temperature Sensor

Instruction Sheetfor the PASCOModel CI-6526Type K Temperature Sensor012-05563Dlow zero degrees Celsius. The Type-K Thermocouplecan be used in water an

Page 2 - Calibrating the Sensor

®2Type K Temperature Sensor 012-05563DOperationConnecting and Using the SensorAttach the probe’s two prong connector to the sensorbox at the port mark

Page 3 - Equipment Return

3012-05563D Type K Temperature Sensor®mometer reading reaches a peak, enter the reading inthe “Standard Value” box for Calibration Point 2, thenclick

Page 4

®4Type K Temperature Sensor 012-05563D

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