Table Of Contents - Omega Engineering CL521 Operator's Manual

TABLE OF CONTENTS
CL521 TEMPERATURE CALIBRATOR/THERMOMETER
SECTION PAGE
SECTION 1 INTRODUCTION.1
1.1 General Description.;.1
1.2 Features. 1
1.3 Available Models. 1
SECTION 2 INSTALLATION. 2
2.1 Unpacking. 2
2.2 Removing the Carrying Case.2
2.3 Charging the Battery.3
2.4 Wiring Connections. 3
SECTIONS GENERAL OPERATION.4
3.1 Front Panel Functions. 4
3.2 Initial Start-up. 6
SECTION 4 THERMOCOUPLE AND MILLIVOLT MEASUREMENTS.6
4.1 Theory of Operation.6
4.2 Reference Junction.7
4.3 Thermocouple Measurements.8
4.3.1 Connections and Reference Junction Mode Selection. 8
4.3.2 Measuring Temperature.11
4.3.3 Checking or Changing Reference Junction Temperature.12
4.4 Measuring Thermocouple Resistance.13
4.5 Measuring Millivolts.14
SECTION 5 PtIOO AND RESISTANCE MEASUREMENTS.14
5.1 General Information.14
5.2 Connecting a Resistance Probe to the CL521.15
5.3 PtiOO Temperature Measurement.17
5.4 Resistance Measurement.19
SECTION 6 ADDITIONAL MEASUREMENT FUNCTIONS.20
6.1 Using Other Measurement Functions.20
6.2 Monitoring Rate of Change.20
6.3 Indications of Deviation.20
6.4 Checking Minimum and Maximum Readings.21
6.5 Returning to Normal Measurement Mode.21