Bedienungsanleitung
Instruction Manual
Manuel d’Instructions
PTC 400
9
Contents Page
1. Introduction 10
2. Quick Start Instructions 10
A. Key Functions 10
B. Setpoints 10
3. Connection Diagrams & Instructions 12
A. Sourcing Resistance 12
B. Sourcing a Thermocouple Signal 12
C. Measuring Temperature Using a Thermocouple 12
D. Measuring Resistance (RTDs) 12
E. Sourcing Resistance (RTDs) 13
4. Maintenance 14
A. Power Requirements 14
B. Calibration 14
5. Specifications 14
6. Repair 16
7. Warranty and liability 16
10
1. Introduction
The PTC 400 is designed to be a versatile, easy to use temperature calibrator with a simple
user interface. The following instructions will allow the user to begin simple calibration tasks by
learning the basic operation of the keys and their functions.
2. Quick Start Instructions
A. Key Functions
Key Function
Input/Output Toggles the function selected from measurement mode to source mode.
TC Pressing the “TC” or “Thermocouple” key toggles through all available TC
types as well as direct mV output.
RTD Pressing the RTD key toggles through all available RTD types as well as
direct ohms output.
°F/°C Toggles between °F and °C
0-9 keys These keys allow a user to enter an output value.
Example: to output 20 mV select mV output and Press the “2” key then
the “0” key followed by the “ENTER” key.
Arrow These keys allow small changes to be made to an output value. Press
either the up or the down key to set the value as desired.
CE The clear entry key allows the user to clear a value before the enter key is
pressed.
Shift This key has a blue text color and acts as a second function key to all
keys that have an associated second function.
B. Setpoints
1. Storing Setpoints
The setpoint mode allows up to 9 setpoints to be set in non-volitile memory for each range.
The procedure is as follows:
a. Set the output to the desired value.
b. Press shift followed by the “SET” key
c. Choose the desired setpoint storage location by pressing a key (1-9).
d. Enter a new value and repeat steps 1 through 3 as needed, up to 9 setpoints for each
range can be stored.
2. Recalling Setpoints
a. To recall a setpoint press shift followed by the”SPT” key.
b. You will be prompted to enter the number of the desired setpoint location set previously.
c. Press the desired location number and the unit will go to that output.
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