Calibration - Pace PRC 2000 Service Manual

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REPAIR

CALIBRATION

All PACE SensaTemp controllers can be checked for calibration without the need to adjust any internal controls.
If there is a requirement to check the actual tip temperature of a SensaTemp handpiece, perform the following
procedure for attaching a thermocouple wire to the handpiece tip. A Process Monitor is available from PACE
which will provide a temperature readout and can perform a variety of additional tests such as Tip to Ground
resistance and vacuum checks.
A thermocouple may be attached to a tip by spot welding a thermocouple wire onto the end of the tip or by
embedding the wire into a drilled hole at the tip end. Either method will produce accurate results. Tips (for
PACE equipment) with embedded K type thermocouples are available from PACE.
Pulse Heat handpieces are not closed loop temperature controlled and require no calibration.
MATERIALS REQUIRED
1. PACE Process Monitor or Temperature Meter.
2. Soldering Iron Tip. Listed below are the available tips PACE uses (with and without embedded
thermocouples).
a) Use PACE part number 7021-0004-P1 tip with embedded thermocouple or tip only part
number 1121-0337 on handpieces with 4.76 mm (3/16 inch) heater bore.
b) Use PACE part number 7021-0003-P1 tip with embedded thermocouple or tip only part
number 1121-0130 on handpieces with 3.18 mm (1/8 inch) heater bore.
When using tips with embedded K type thermocouples supplied by PACE
with a K type Temperature Meter, a PACE part number 1332-0164-P1
RCA to Omega-style, K-type, thermocouple adapter must be used.
The following items are needed if you are NOT using the PACE part number 7021-0003-P1 or 7021-0004-P1
embedded tips.
3. Thermocouple, 30 AWG ("K" type when using Process Monitor or type compatible with Temperature
Meter).
4. Copper Wedge (used when embedding thermocouple) or 16 AWG Bare Copper Wire (1.22 mm
(.048 inch) O.D.).
5. Drill Bit (used when embedding thermocouple), 1.5 mm (.059 inch) diameter.
SPOTWELDING PROCEDURE
1. Place the thermocouple end onto the tip just past the tinned end (approximately 6.35 mm (.25 inch)).
2. Spotweld the thermocouple to the tip. Check to insure that the thermocouple is properly attached to
the tip.
30
NOTE

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