Fluke 2190A User manual

P/N 489229
June 1978
Rev. 1 6/79
2190A
Therm
Instruction Manual

The Fluke Corporation is pleased to hereby grant GIDEP
(Government-Industry Data Exchange Program) permission to reproduce the
manuals listed in the attachment. Permission is granted on the condition
that you legibly reproduce on the copies the legend "Reproduced With
Permission".
It is our understanding from your request dated January 23, 2001,
that the purpose for copying these manuals is to include them in the GIDEP
database, and that the material won't be copied for any other purpose.
Thank you for your cooperation, and for your interest in Fluke.
Sincerely,
Beverly A. Summers
Paralegal
Fluke Corporation
Intellectual Property Law Dept.
Direct: [phone] [voice]
[phone] [fax]
[email protected] [e-mail]

WARRANTY
Notwithstanding any provision of any agreement the following warranty is exclusive:
The JOHN FLUKE MFG. CO., INC., warrants each instrument it manufactures to be free from defects in material and
workmanship under normal use and service for the period of 1-year from date of purchase. Thiswarranty extends only
to the original purchaser. This warranty shall not apply to fuses, disposable batteries (rechargeable type batteriesare
warranted for go-days). or any product or parts which have been subject to misuse, neglect, accident, or abnormal
conditions of operations.
In the event of failure of a product covered by this warranty, John Fluke Mfg. Co., Inc., will repair and calibrate an
instrument returned to an authorized Service Facility within 1 year of the original purchase; provided the warrantor’s
examination discloses to its satisfaction that the product was defective. The warrantor may, at its option, replace the
product in lieu of repair. With regard to any instrument returned within 1 year of the original purchase, said repairs or
replacement will be made without charge. If the failure has been caused by misuse, neglect, accident, or abnormal
conditions of operations, repairs will be billed at a nominal cost. In such case, an estimate will be submitted before
work is started, if requested.
THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS,
OR ADEQUACY FOR ANY PARTICULAR PURPOSE OR USE. JOHN FLUKE MFG. CO., INC., SHALL
NOT BE LIABLE FOR ANY SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN
CONTRACT, TORT, OR OTHERWISE.
II any failure occurs, the following steps should be taken:
1. Notify the JOHN FLUKE MFG. CO., INC., or nearest Service facility, giving full details of the difficulty, and
include the model number, type number, and serial number. On receipt of this information, service data, or
shipping instructions will be forwarded to you.
2. On receipt of the shipping instructions, forward the instrument, transportation prepaid. Repairs will be
made at the Service Facility and the instrument returned, transportation prepaid.
SHIPPING TO MANUFACTURER FOR REPAIR OR ADJUSTMENT
All shipments of JOHN FLUKE MFG. CO., INC.. instruments should be madevia United Parcel Serviceor”BestWay”’
prepaid. The instrument should be shipped in the original packing carton; or if it IS not available, use any suitable
container that is rigid and of adequate size. If a substitute container is used, the instrument should bewrapped in paper
and surrounded with at least four inches of excelsior or similar shock-absorbing material.
CLAIM FOR DAMAGE IN SHIPMENT TO ORIGINAL PURCHASER
The instrument should be thoroughly inspected immediately upon original delivery to purchaser. All material in the
container should bechecked againsttheenclosed packing list. The manufacturerwill not be responsible for shortages
against the packing sheet unless notified immediately. If the instrument is damaged in anyway, aclaim should be filed
with the carrier immediately. (To obtain a quotation to reparr shipment damage, contact the nearest Fluke Technical
Center.) Final claim and negotiations with the carrier must be completed by the customer.
The JOHN FLUKE MFG. CO., INC, will be happy to answer all applications or use questions, which will enhance your
use of this instrument. Please address your requests or correspondence to: JOHN FLUKE MFG. CO., INC., P.O. BOX
C9090, EVERETT, WASHINGTON 98206, ATTN: Sales Dept. For European Customers: Fluke (Holland) B.V.. P.O. Box
5053, 5004 EB, Tilburg, The Netherlands.
*For European customers, Air Freight prepard.
John Fluke Mfg. Co., Inc., P.O. Box C9090, Everett, Washington 98206
Rev. 6181

Change/Errata Informal
Issue No: 4 2J79
This change/errata contains information necessary to ensure the accuracy of the following manual.
Enter the corrections in the manual if either one of the following conditions exist:
1. The instrument’s PCB revision letter is lower than that which is indicated at the beginnir
of the change/errata.
2. No revision letter is indicated at the beginning of the change/errata.
MANUAL
Title:
Print Date:
Rev and Date:
MODEL 2190A DIGITAL THERMOMETER
JUNE 1978
---
C/E PAGE EFFECTIVITY
Page No. Prlnt Date
1 1O/78
2 1O/78
3 10178
4 2179
5 2179
6 2179

2190A
.ERRATA #l
On page 4-2, replace Figure 4-l and Table 4-1 with the following:
Line Voltage Switch Settings
120 left
220 right
240 right
left
right
left
CHANGE #l-l 1690
Rev.-C, Main PCBAssembly
On page 5-10, make the following changes:
DELETE: S2-i/Switch/473454/89536/473454/ 1
CHANGE: Sl-l/Switch 473355 89536 473355
/483891/ /48389’i I
CHANGE #L-l 1732
Rev. -C, Main PCBAssembly, make the following changes:
On page 5-7:
ADD: Cl/Cap,mica,47 pF+5%, 500V/148536/71236/DM15E470J/1
On page 8-3, Figure 8-1, Al Main PCBAssembly make the indicated changes:
1O/78

2190A
ADD an arrow from 4 to scaleswitch:
0
On page 8-5, Figure 8-1, Al Main PCB Assembly, make the following changes:
TO: pf----3
’ bxq
CHANGE #3-l 1789
ERRATA#2
On page l-2, Table l-3 ( Specifications) make the following changes:
FROM: Common Mode Rejection Z 160 dB at .50,60 and 400 Hz +O.l% with 1OORunbalance at input.
TO: Common Mode Rejection Z 160 dB at dc, 50,60 and 400 Hz +O.l% with 1OOs2unbalance at input.
FROM: Normal Mode Rejection > 90 dB at 50,60 and 400 Hz *0.10/o
TO: Normal Mode Rejection > 90 dB at dc, 50,60 and 400 Hz +0.1%x
FROM: Power: 12V dc or 100, 200 or 240V ac *IO’% selectable, 50 to 400 HZ; 8W typical.
TO: Power: 12V dc or 100, 120,200 or 240V ac *lo%, selectable, 50 to 400 Hz; 8W typical.
On page 2-2, Figure 2-1, (Controls and Indicators) make the following changes:
On page 3-1, paragraph 3-S, line 9, change “microcomputed” to “microcomputer”.
IO/78
2

. 2190A
On page 3-3, paragraph 3-22, change line 4 to read:
“These voltages appear at FET switches Q12 and Q13 respectively.”
On page 3-3, Figure 3-2, change asshown below:
MEASUREMENT CYCLE = 300 ms
A
/ AUTO \
-, ZERO f I I
’ lmt0 ’ ,,,,TE- ’
i READ
i
AUTO ZERO COMMAND (Q5, QlO, 012, a161 OV i
200 ms 1 GRATE !
I I I
-15v : , I
I
I ‘+ I
I -1101 .O msl I
INTEGRATE COMMAND (Q15) ov , I I I r I
READ COMMAND, DE+ Qll) I
-15v I I I
I -hII+ , I
I
ov 1
i i 1 .O ms
SETTLING TIME COMMAND n2 (Q8) I
-15v : u u u IJ
I
I I
I I I
COMPARE OUTPUT, CM TPl 01
INTEGRATOR OUTPUT U8-7)
BUFFER OUTPUT (TP7l
DE+ is generated for positive input voltages. Negative Input voltages enable the DE- mode which, in turn, operates FET
switch, Q13.
Waveform is shown for positive input voltage. It is inverted for negative inputs. Shown for full-scale in.
D
3 The Q numbers in parenthesis represent FET switches operated by the commands. See Figure 3-3.
Figure 3-2. Measurement Cycle Waveforms
On page 3-4, Figure 3-3, Simplified Schematic Analog Section, make the following changes:
ADD: Arrow to emitter; defines NPN.
1O/78
3

2190A
On page 4-2, paragraph 4-19, line 6, change to read asfollows:
“ . . . ambient temperature of 25 +2”C (77.0 ?3.6”F).”
On page 4-3, Table 4-2, change minimum use specifications for Mercury Thermometer asfollows:
FROM: “0.05”C resolution.”
TO: “0.05”F resolution.”
On page 4-3, paragraph 4-20, step 8, change to read asfollows:
“Select that portion of Table 4-3, , . .”
On page 4-4, paragraph 4-24, step 4, change to read asfollows:
“4. Select a switch setting of 9 (Cal), seeTable 2-2.”
On page 600-2, paragraph 600-12, delete the last sentence.
On page 602-3, paragraph 602-24, line 4, change “PRI” to “PTI”.
On page 606-3, Table 606-2, step 3, change “+4V” to “+.5V”.
On page 7A-1/7A-2, make the following changes:
Change line 7, of Introduction to read asfollows:
“ . . .
this manual with an X.”
Table on 7A-1/7A-2, ismissing title, at top of table, place the following title there:
“Table 7A-1. Manual Status and Backdating Information”
On Table 7A-1, change assembly name of the A3 Assembly to: “Thermocouple Input PCBAssembly”.
On page 3-4, Figure 3-3, change integrator capacitor:
FROM: Cl3
TO: C2.
ERRATA #3
On page 5-9, Table 5-2, Al Main PCB Assembly (cant), make the following changes:
FROM: R14/Res, var, lOOI,+-lo%, ~W/369520/89536/369520/1/1
TO: R14, Res, var 500k &lo%, ‘/W/474387/1 1236/360T503A/l
FROM: U3/1C, CMOS, Hex open drain buffers/473389/12040/MM74C906N/l/l
TO: U3/ SeeFinal Assembly.
ADD: XU3/Socket, IC, 14 pins/387138/71785/133-59-02-059/l
On page 5-3, Table 5-1, Final Assembly, make the following changes:
ADD: U3/IC, CMOS, Hex open drain buffers/473389/i 2040/MM74C906N/l /l
ERRATA +l
On page 602-3, Figure 602-l make the following changes:
ADD to the end of Step 5: the degree symbol (“““) is transmitted to the printer as a (“d”),
2179

2190A
ERRATA #5
On Page 600-2 replace paragraph 600-12 with the following:
600-I 2 The device is a preset 100 to I divider to provide the precision millivolt outputs
from a DC Calibrator required for calibration. The device wires into the thermo-
couple input PCB in place of the thermocouple probe during calibration. Refer
to the Y2022 instruction manual for schematic and additional informalion.
On Page 4-3, Paragraph 4-20 make the following changes:
Place the following note between steps 3 and 4:
On Page 4-6, paragraph 4-26, Step 6 make the following changes:
From: Adjust RI4 for a thermometer display of 10.0,. .
To : Adjust RI4 for a thermometer display of I .O,.
CHANGE #+l, 12061
Rev. E, A3 Thermocouple Input PCB Assembly.
On Page 5-13/5-14, Table 5-4 make the following changes:
Add: C3, C4/Cap. Ta. 1.O fiF +-20%, 7KV DC/t6lY 19/56289/196DlO5XOO35JAL/2
Add: UljlC, Linear/473819/04713/MC79LI2ACP/I
From: R2/Res, mtl film. 187K ?I%, 1/8W/291641/91637/CMF551873F/1
TO: RZ/Res, mtl film, 150K +I%‘, 1/8W/241083/91637/CMF551503F/l
CHANGE #?I, 12148
On Page 5-3, Table 5-l make the following changes:
From: F1-I 20/Fuse, Fast acting/ 196790/7 1400/AGC I-S/l /5/ 1
To: Fl-I?O/Fuse, Slo-blo. 1/8A/Ih648ti/7I400JMDL1-8/1/5/1
From: Fl-240/Fuse, Fast acting/109348/71400/AGCl-16!1/5/1
To: Fl-240/Fuse, Slo-blo, l/16A/l63030/7I400/MDLI -16/1/S/l
ERRATA #6
On Page 4-3 make the indicated changes to the steps of Paragraph 4-20 as shown below:
I. No change
2. No change
3. No change
4. No change
5. No change
6. No change
7. Select the temperature scale (C” or F”) on the 2190A to agree with the temperature
scale of the mercury thermometer in the lag bath.
2179

2190A
ERRATA #I% (CONT)
8. Read the temperature of the mercury thermometer and find the corresponding mV reading
to this temperature (refer to either the NBS Monograph 125 or the DIN 43710 thermocouple
standard). Interpolation may be used as necessary.
9. Algebraically subtract the mV reading found in Step 8 from the first value found under the
“Divider Output MV” column of Table 4-3 for the thermocouple type in use.
10. Obtain a divider output equal to the result found in Step 9 by adjusting the calibrator and or
the Divider.
11. Verify that the 2190A reads the value listed in Table 4-3 within the limits specified.
12. Repeat steps 8. 9. 10 and I I for the remaining voltages in the “Divider Output mV” column
Table 4-3.
13. No change
14. No change
15. No change
16. No change
17. No change
6 2179