Fluke TV Converter Box 80TK User Manual

®
80TK Thermocouple  
Module  
Instruction Sheet  
Introduction  
Basic Accuracy: (@ 23 ±5°C Calibration)*  
(Applies for one year after purchase or recalibration)  
The Fluke 80TK is a thermocouple converter for use with any  
K-type thermocouple and a digital multimeter. The 80TK  
accepts the output of any K-type thermocouple and converts it  
to 1 millivolt per degree (Celsius or Fahrenheit).  
RANGE  
ACCURACY ± (% of reading +  
degrees), 1 year  
A three-position switch acts as a power switch as well as  
selecting Fahrenheit or Celsius scaling for the output. In  
addition, the OFF position of the power switch allows you to  
read the battery condition via the external multimeter. The  
thermocouple input accepts wire leads or standard mini-  
thermocouple connectors.  
Temperature is measured by exposing or attaching the  
thermocouple to the surface to be measured. The multimeter  
displays the temperature directly in degrees Fahrenheit or  
Celsius.  
-20 to 350°C  
-4 to 662°F  
351 to 500°C†  
664 to 932°F†*  
501 to 1000°C  
933 to 1832°F  
-50 to -21°C  
-58 to -5.8°F  
0.5% ± 2°C  
0.5% ± 3.6°F  
1.75% ± 2°C  
1.75% ± 3.6°F  
2.0% ± 2°C  
2.0% ± 3.6°F  
2.5% ± 2°C typical  
2.5% ± 3.6°F typical  
Temperature Coefficient:  
*
0°C to 18°C and 28°C to 50°C ambient, multiply the basic  
accuracy specification by 0.1 for each degree above 28 or  
below 18.  
Specifications  
Electrical  
† For accuracy enhancement between 351°C to 500°C,  
subtract 3 degrees from the reading. The accuracy is now  
0.75% ± 2°C.  
†* For accuracy enhancement between 663°F and 932°F,  
subtract 5.4 degrees from the reading. The accuracy is now  
0.75% ± 3.6°F.  
Measurement Range: -50 to 1000 degrees Celsius  
-58 to 1832 degrees Fahrenheit  
Resolution:  
2000 count display:  
3200 count display:  
4000 count display:  
0.1° C/F in 200 mV range  
1.0° C/F in 2V range  
0.1 C/F in 300 mV range  
1.0 C/F in 3V range  
0.1° C/F in 400mV range  
1.0° C/F in 4V range  
Note  
The basic accuracy specification does not include the  
error of the probe or the DMM. Please refer to the  
probe accuracy specification for additional details.  
General  
Note: Ignore decimal point on 2V, 3V, or 4V range.  
Weight: 4.5 ounces, 126 grams  
Maximum Voltage at Thermocouple Input: 60V DC, 24V AC  
Overall length: 4 5/8 inches, 11.75 mm  
Battery: Standard 9V Battery (NEDA #1604, 6F22, 006P)  
Battery Life: 1600+ hours, 6.5V minimum  
Output: 3/4 inch spaced banana plugs, 10 megohm minimum  
load resistance  
RF Field: Exposure to an RF field interferes significantly with  
this module’s capacity to accurately measure temperature with  
thermocouples. The interference is temporary and the module  
suffers no harm when exposed to an RF field of 3 V/m.  
Accurate temperature measurement capability is completely  
restored when the module is removed from the RF field.  
Common sources of RF fields are handheld 2-way radios and  
cellular telephones. If such a source is suspected of interfering  
with this module, either turn off the transmitter or increase the  
separation between the transmitter and the module.  
Accessories  
80PK-1 (included): Bead Probe 4 foot K-type thermocouple  
bead probe, with Teflon tape insulation. Maximum insulation  
temperature: 260°C. Accuracy: ± 2.2°C or ± 0.75% (whichever  
is greater) from 0 to 800°C.  
Environmental  
80PK-2A: Immersion Probe (8" or 20.32 cm from tip to probe  
Ambient Operating Range: 0 to 50°C  
Storage Temperature: -40 to 60°C  
handle)  
80PK-3A: Surface Probe (for flat or curved surfaces)  
80PK-4A: Air Probe (protected by stainless steel baffle)  
-40 to 140°F  
0% to 90% (0 to 35°C)  
0% to 70% (35 to 50°C)  
Humidity:  
80PK-5A: Piercing Probe (suitable for food use, liquids and  
gels)  
80PK-6A: Exposed Junction Probe (exposed bead attached to  
6" sheath)  
PN 735985 February 1985 Rev.6, 11/02  
©1985-2002 Fluke Corporation. All rights reserved. Printed in USA All product names are trademarks of their respective companies.  
 
4. Plug the 80TK into the dc volts input of the multimeter. Set  
the multimeter to the 300 mV or equivalent range.  
80TK Calibration Procedure  
A calibration cycle of 1 year is recommended to maintain the  
80TK within specifications. The required equipment is listed  
below. Use Calibration Procedure 1 to calibrate the 80TK for  
use with any K-type thermocouple. Use Calibration Procedure  
2 if the 80TK will be used exclusively with one K-type  
thermocouple. Always calibrate the Celsius function before  
calibrating the Fahrenheit function.  
5. Set the switch on the 80TK to CELSIUS position. Adjust  
R4 to half rotation, then adjust R5 until the reading on the  
multimeter matches the reading on the mercury reference  
thermometer ± 5.0°C. Now adjust R4 until the two  
readings are within ± 0.1°C.  
Note  
If the mercury reference thermometer displays °F,  
use the following conversion to get °C:  
[5/9 (temp in °F)-32] = (temp in °C)  
6. Set the switch on the 80TK to the FAHRENHEIT (center)  
position.  
7. Adjust R16 until the reading on the multimeter matches  
the reading on the mercury reference thermometer ±  
0.2°F.  
Note  
If the mercury reference thermometer displays °C,  
use the following conversion to get °F:[9/5(temp  
in °C) + 32] = (temp in °F)  
8. Set 80TK switch to the OFF position. Remove 80TK from  
multimeter and remove any connections to the 80TK  
thermocouple input terminals.  
9. Reassemble the 80TK.  
10. The 80TK is now calibrated.  
Location of Calibration Adjustments  
Calibration Procedure 2.  
Use this procedure if the 80TK will be used exclusively with  
one K-type thermocouple:  
Perform Calibration Procedure 1. Substitute the following for  
step 3 in Calibration Procedure 1:  
Calibration Procedure 1.  
Use this procedure to calibrate the 80TK:  
1. Verify the condition of the battery as described above and  
replace the battery if necessary. Follow the Battery  
Replacement procedure to disassemble the 80TK, but do  
not remove the battery or reassemble the 80TK.  
3. Connect the thermocouple to the 80TK thermocouple  
input, and place the thermocouple into the room  
temperature bath along with the mercury reference  
thermometer.  
2. Allow 80TK and the room-temperature water bath to  
stabilize at room temperature, away from drafts, for at  
least 30 minutes before proceeding with calibration. Place  
the reference thermometer into the room temperature  
water bath. Allow the reading to stabilize.  
Required Equipment  
Refer to Table 1 for equipment required to calibrate the 80TK.  
3. Use the shorting bar to short the 80TK thermocouple input  
terminals.  
Table 1. Required Equipment  
Minimum Specification  
Instrument  
Recommended Model  
Princo Model SAMA-CP45  
Mercury Reference Thermometer  
Dewar Flask and Cap(water bath)  
Digital Voltmeter  
0.1°C resolution  
2 pint capacity, filled with water  
300 mV range, 100 µV resolution  
<1 ohm  
Thermos bottle  
Fluke Model 87 Series III  
Wire  
Shorting bar  
OR  
K-type thermocouple  
meets NBS standards(with subminiature K plug)  
Fluke 80PK-1  
To contact Fluke, call one of the following telephone numbers:  
USA: 1-888-99-FLUKE (1-888-993-5853)  
Japan: +81-3-3434-0181  
Singapore: +65-738-5655  
Anywhere in the world: +1-425-446-5500  
Canada: 1-800-36-FLUKE (1-800-363-5853)  
Europe: +31 402-675-200  
Or, visit Fluke’s Web site at www.fluke.com.  
Fluke Corporation  
P.O. Box 9090  
Everett WA 98206-9090  
USA  
Fluke Europe B.V.  
P.O. Box 1186  
5602 B.D. Eindhoven  
The Netherlands  
 
80TK-4012  
80TK Schematic Diagram  
Replaceable Parts  
Description  
LIMITED WARRANTY & LIMITATION OF LIABILITY  
Ref Des  
PN  
Each Fluke product is warranted to be free from defects in material and workmanship  
under normal use and service. The warranty period is one year and begins on the date  
of shipment. Parts, product repairs and services are warranted for 90 days. This  
warranty extends only to the original buyer or end-user customer of a Fluke authorized  
reseller, and does not apply to fuses, disposable batteries or to any product which, in  
Fluke’s opinion, has been misused, altered, neglected or damaged by accident or  
abnormal conditions of operation or handling. Fluke warrants that software will operate  
substantially in accordance with its functional specifications for 90 days and that it has  
been properly recorded on non-defective media. Fluke does not warrant that software  
will be error free or operate without interruption.  
735845 CASE TOP  
735852 CASE BOTTOM  
735860 COVER SWITCH  
735944 SHIELD, BOTTOM  
735910 SHIELD, TOP  
735928 SHIELD CONTACT  
747501 SCREW,SCREW,PH,PO,STL,4-40,.250  
AR1  
BT1  
C1 C2  
C3  
802691 IC,OP AMP,TLC271A,PROGRAMMABLE,LOW POWER,SO8  
696534 BATTERY,PRIMARY ,BATTERY,9V,0-15MA  
Fluke authorized resellers shall extend this warranty on new and unused products to  
end-user customers only but have no authority to extend a greater or different warranty  
on behalf of Fluke. Warranty support is available if product is purchased through a  
Fluke authorized sales outlet or Buyer has paid the applicable international price. Fluke  
reserves the right to invoice Buyer for importation costs of repair/replacement parts  
when product purchased in one country is submitted for repair in another country.  
Fluke’s warranty obligation is limited, at Fluke’s option, to refund of the purchase price,  
free of charge repair, or replacement of a defective product which is returned to a Fluke  
authorized service center within the warranty period.  
942529 CAPACITOR,SMR,CAP,CER,0.1UF,+-10%,25V,X7R,0805  
942552 CAPACITOR,SMR,CAP,TA,1UF,+-20%,20V,3216  
650223 CAPACITOR,SMR,CAP,TA,10UF,+-20%,10V,3216  
830489 DIODE,BAS16,SMR,DIODE,SI,75V,250MA,SOT-23  
876529 DIODE,BAT54,SMR,DIODE,SI,SCHOTTKY,30V,200MA,SOT-23  
735993 80TK-8008,CONTACT, THERMOCOUPLE  
C4  
CR1 CR4  
CR2  
J1 J2  
MP1  
P1 P2  
Q1 Q2 Q4  
Q3  
1276793 80TK-3012,80TK - PCB SM_PIH  
736033 80TK-8009,PLUG,BANANA  
To obtain warranty service, contact your nearest Fluke authorized service center or  
send the product, with a description of the difficulty, postage and insurance prepaid  
(FOB Destination), to the nearest Fluke authorized service center. Fluke assumes no  
risk for damage in transit. Following warranty repair, the product will be returned to  
Buyer, transportation prepaid (FOB Destination). If Fluke determines that the failure  
was caused by misuse, alteration, accident or abnormal condition of operation or  
handling, Fluke will provide an estimate of repair costs and obtain authorization before  
commencing the work. Following repair, the product will be returned to the Buyer  
transportation prepaid and the Buyer will be billed for the repair and return  
transportation charges (FOB Shipping Point).  
742676 NPN,MMBT3904,SMR,TRANSISTOR,SI,NPN,60V,350MW,SOT-23  
820902 NPN,MMBT5089,SMR,TRANSISTOR,SI,NPN,30V,200MW,SOT-23  
820910 PNP,MMBT5087,SMR,TRANSISTOR,SI,PNP,50V,225MW,SOT-23  
802725 RESISTOR,CERMET,22M,+-1%,0.1W,400PPM,0805,TAPE  
943006 RESISTOR,CERMET,2.1K,+-1%,0.1W,100PPM,0805,TAPE  
913731 RESISTOR,SMR,RES,CERM,22.1K,+-1%,100PPM,1206  
802675 RESISTOR,SMR,RES,MF,18.2K,+-0.1%,0.1W,25PPM,0805  
802683 RESISTOR,SMR,RES,MF,22.1K,+-0.1%,0.1W,25PPM,0805  
867296 RESISTOR,SMR,RES,CERM,698K,+-1%,.125W,100PPM,1206  
802717 RESISTOR,CERMET,1.82M,+-1%,0.1W,400PPM,0805  
928085 RESISTOR,SMR,RES,VAR,CERM,200K,+-25%  
821447 RESISTOR,SMR,RES,CERM,4.22K,+-1%,.125W,100PPM,1206  
943659 RESISTOR,CERMET,10M,+-1%,0.1W,400PPM,0805,TAPE  
928866 RESISTOR,SMR,RES,CERM,100K,+-1%,0.1W,100PPM,0805  
928767 RESISTOR,SMR,RES,CERM,4.99K,+-1%,0.1W,100PPM,0805  
928754 RESISTOR,SMR,RES,CERM,2.43K,+-1%,0.1W,100PPM,0805  
806240 RESISTOR,SMR,RES,CERM,1.2M,+-5%,.125W,200PPM,1206  
802709 RESISTOR,CERMET,4.12M,+-1%,0.1W,400PPM,0805  
802659 RESISTOR,SMR,RES,MF,750K,+-0.25%,0.1W,50PPM,0805  
106937 RESISTOR,SMR,RES,VAR,CERM,100,+-20%,0.25W  
802782 RESISTOR,SMR,RES,VAR,CERM,1K,+-20%,0.25W  
927426 RESISTOR,SMR,RES,CERM,182K,+-1%,.125W,100PPM,1206  
876441 RESISTOR,SMR,RES,CERM,604K,+-1%,.125W,100PPM,1206  
802444 RESISTOR,SMR,RES,MF,10K,+-0.1%,0.1W,50PPM,0805  
802667 RESISTOR,SMR,RES,MF,442K,+-0.1%,0.1W,25PPM,0805  
740225 SWITCH,SWITCH,SLIDE,DPTT  
Q5 Q6  
R1  
R10  
R11  
R12  
R13  
R14 R18  
R15  
R16  
R17  
R19  
R2 R20  
R21  
R22  
R23  
R24  
R3  
THIS WARRANTY IS BUYER’S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU  
OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT  
LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR  
A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL,  
INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES,  
INCLUDING LOSS OF DATA, WHETHER ARISING FROM BREACH OF WARRANTY  
OR BASED ON CONTRACT, TORT, RELIANCE OR ANY OTHER THEORY.  
Since some countries or states do not allow limitation of the term of an implied warranty,  
or exclusion or limitation of incidental or consequential damages, the limitations and  
exclusions of this warranty may not apply to every buyer. If any provision of this  
Warranty is held invalid or unenforceable by a court of competent jurisdiction, such  
holding will not affect the validity or enforceability of any other provision.  
R4  
R5  
R6  
R7  
R8  
R9  
S1  
VR1  
930065 BIPOLAR 4040,SMR,IC,V REF,SHUNT,2.5 V,1%,150 PPM,SOT23  
 

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