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AM1710 Secondary Reference PRT User’s Guide

 

 

 

 

Rev. 201803V1

 

8/10

5  Troubleshooting 

5.1  Troubleshooting 

If the PRT functions abnormally, it could be caused by several 
possible problem conditions that are described in this section. Try 
the solutions recommended and if the problems are still not solved, 
contact manufacture for warranty or repair service. Be sure to have 
the model number and serial number of your PRT available.  

5.2  Problem Causes and Solutions 

a.

 

R0/Rtpw becomes higher significantly. This is likely caused 
by mechanical shocks. The PRT should be annealed to 
release the stress of platinum wires and to recover R0/Rtpw 
value. Measure R0/Rtpw of the PRT after annealing to verify.  

b.

 

R0/Rtpw unstable during the measurement. This is likely 
caused either by bad connections or sensor coils short. Check 
the connections first and if the connections are good, the PRT 
may be damaged. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for AM1710

Page 1: ...Rev 201803V1 AM1710 Secondary Reference Platinum Resistance Thermometer User s Guide Please download the latest version at www accumac com...

Page 2: ...librations 3 2 Specifications 4 2 1 Specifications 4 3 General Operations 5 3 1 Connecting to the readout device 5 3 2 Drive Current 5 3 3 Stability of Readings 5 3 4 Immersion Requirements 5 3 5 Ther...

Page 3: ...live component 5 Follow all other safety guidelines listed in this user s guide Cautions Follow these guidelines to avoid possible damage to the instrument 1 Avoid mechanical shocks DO NOT drop or sla...

Page 4: ...temperature or change of temperature It has wide applications for dry wells or temperature baths 1 2 Main Features High accuracy 0 015 C at 0 01 C Temperature range 60 C to 160 C Durable and shock re...

Page 5: ...9 seconds for 63 response to step change in water moving at 3 feet per second Measurement Current 0 5 mA or 1 mA Sensor Length 32 mm Sensor Location 5 mm from tip Insulation Resistance 1000 M at room...

Page 6: ...hed to each end of the sensor are identified by red black and white blue insulation 3 2 Drive Current AccuMac recommends 1mA as drive current to ensure the best measurement 3 3 Stability of Readings T...

Page 7: ...cuMac PRT has gone through an annealing process and stability test to minimize the thermal EMF which is caused by either impurities of sensing element or temperature differentials at lead wires connec...

Page 8: ...ssible b When shipping the PRT use protective box and other protective packaging materials to minimize mechanical shocks as much as possible c When using dry blocks make sure the well diameter is appr...

Page 9: ...service Be sure to have the model number and serial number of your PRT available 5 2 Problem Causes and Solutions a R0 Rtpw becomes higher significantly This is likely caused by mechanical shocks The...

Page 10: ...ty period begins on the date of the shipment Parts product repairs and services are warranted for 90 days The warranty extends only to the original buyer or end user customer of an AccuMac authorized...

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