Wahl DST500-FM User Manual Download Page 1 | Manualshive

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WD1094 Rev A
01/31/14

DST500-FM

Digi-Stem

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Thermometer

User Manual

Do not revise without prior FM approval

Wahl Instruments, Inc.

234 Old Weaverville Road

Asheville, NC 28804

Toll Free 800-421-2853

Phone 828-658-3131

Fax 828-658-0728

www.palmerwahl.com

Intrinsically Safe -

S

écurité Intrinsèqu

e

IS/CL I, II, III / DIV 1 / GP ABCDEFG;
T4A Ta=70°C; Type 4X
CL I, II, III / DIV 2 / GP ABCDEFG;
T4A Ta=70°C; Type 4X

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Summary of Contents for DST500-FM

Page 1: ...FM approval Wahl Instruments Inc 234 Old Weaverville Road Asheville NC 28804 Toll Free 800 421 2853 Phone 828 658 3131 Fax 828 658 0728 www palmerwahl com Intrinsically Safe Sécurité Intrinsèque IS CL I II III DIV 1 GP ABCDEFG T4A Ta 70 C Type 4X CL I II III DIV 2 GP ABCDEFG T4A Ta 70 C Type 4X ...

Page 2: ...____________________________________ 9 8 Installation Control Drawing _________________________________________ 11 9 Specifications _____________________________________________________ 12 10 Service___________________________________________________________ 12 WARRANTY CALIBRATION REGISTRATION at www palmerwahl com register Registration is fast and easy In about a minute you can have your product...

Page 3: ...film platinum RTD sensor per DIN EN 60751 Class A Hazardous Location approval by FM Approvals as defined in Section 3 of this manual High accuracy 24 bit Delta Sigma Analog Digital Converter Probe Error checking Checks for open wire open sensor shorted sensor incorrect wiring Programmable RØ Allows programming of the sensing probes specific RØ value into the meter for accurate temperature calibrat...

Page 4: ...nclosure or the probe is grounded to building or earth ground Warning Substitution of the following components may impair suitability for Division 2 Battery Wahl P N DSA3060 Manufacturer Tadiran model TL 2200 3 3 Avertissements Français Avertissement S il vous plaît respecter les avertissements suivants Avertissement La batterie doit être changée en dehors d une zone classifiée Avertissement Risqu...

Page 5: ...ional check that the battery is installed properly by following the battery installation procedure section 5 of this manual 4 1 Meter Mounting Fixed probes may be mounted by the threaded fitting or sanitary clamp into the process Apply thread sealing compound or Teflon tape to the threaded fitting as required Units with a swivel nut fitting may be adjusted during installation for best viewing angl...

Page 6: ... small ferrite around the 4 probe wires and the green yellow ground wire as close to the ground wire spade terminal as possible Make certain not to pinch the probe wires in the ferrite Route the 4 probe wires through the solid ferrite and loop back around through the ferrite 2 more times for a total of 3 passes through the ferrite Connect wires to PCB plug P1 per probe wiring table 4 4 Grounding 4...

Page 7: ... approximately 1 2 weeks of battery life left The battery should be replaced at this time As the battery continues to drain will appear indicating the battery is too low for an accurate measurement The battery must be replaced at this time Battery life will vary dependent on Display Update Rate Setting as shown in the Battery Life Table below 5 1 For installation or replacement loosen the four Phi...

Page 8: ...s set to 8 for a 2 second update 6 3 Error Codes During normal operation the DST500 FM continually performs diagnostic testing on the sensor lines Errors are indicated by the following error codes Error Code Description HI Reading is above meters usable range LO Reading is below meters usable range or sensor is shorted CbL1 Indicates cable 1 is open J1 pin 1 CbL2 Indicates cable 2 is open J1 pin 2...

Page 9: ...ware manual Wahl P N W1037 7 1 Ohm Meter calibration Ohm Meter calibration is a 2 point calibration which calibrates the DST500 FM electronics It requires a NIST traceable precision resistance source with a known accuracy of 0 03 ohms at 50 00 and 280 00 ohms Resistors used should have a temperature coefficient of 5 0 ppm 7 2 Probe system calibration Probe calibration is a single point calibration...

Page 10: ...the probe connector and the meter PCB connector This allows the meter to be placed on a bench rather than dangling above the ice bath Place the probe in an ice bath Allow stabilization 2 Connect the meter to the PC via the 13506 Interface Module 3 Select and run the Probe system Calibration program and follow the on screen prompts A running average of R0 is displayed in the R0 box Press Capture R0...

Page 11: ...DST500 FM USER MANUAL 11 of 12 8 Installation Control Drawing ...

Page 12: ...echnical support contact Wahl Instruments Inc 234 Old Weaverville Road Asheville NC 28804 Ph 800 421 2853 US only 828 658 3131 Fax 828 658 0728 Web www palmerwahl com 234 Old Weaverville Road Asheville NC 28804 800 421 2853 828 658 3131 828 658 0728 www palmerwahl com info palmerwahl com ...

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