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9011 High-Accuracy Dual-W ell Calibrator User’ s Guide Rev. 612501 Hart Scientific.
Rev. 612501 Fluke Corporation, Hart Scientific Division 799 E. Utah Valley Drive • American Fork, UT 84003-9775 • USA Phone: +1.801.763.1600 • Telefax: +1.801.763.1010 E-mail: support@hartscientific.com www.hartscientific.com Subject to change without notice.
T able of Contents 1 Bef ore Y ou Start . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.3 Safety Information .
6.3.1 Scan Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.3.2 Scan Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.4 T emperature Display Hold . . . . . . . . . . . . . . . . . . . . .
9 Calibration Procedur e . . . . . . . . . . . . . . . . . . . . . . 45 9.1 Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . 45 9.1.1 Calibration Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 9.1.2 Calibration .
iv Figures and T ables T able1 International Electrical Symbols . . . . . . . . . . . . . . . . . . . . . 2 Figure 1 Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 2 Front Panel . . . . . . . . . . . . . . . . . .
1 Bef ore Y ou Start 1.1 Intr oduction The Hart Scientif ic 9011 High-Accurac y Dual-W ell Calibrator may be used as a portable instrumen t or bench top temperature calibrator for calibrating ther - mocouple and R TD temperature probes. Cal ibrations may be done ov er a range of –30°C to 670°C (–22°F to 1238°F).
1.2 Symbols Used T able 1 lists the International Electri cal Symbols. Some or all of these symbols may be used on the instrument or in this manu al. Symbol Des cri ptio n AC ( Alternating Current) AC.
Symbol Des cri ptio n O VERV OL T AGE (Installat ion) CA TEGORY II, P ollution Deg ree 2 per IEC1010-1 re - f ers to the le vel of Impulse Wit hstand V oltage protect ion provided. Equipment of O VERV OL T AGE CA TEGOR Y II is energy-consuming equipment to be suppli ed from the fix ed installat ion.
• DO NO T use this instrument for any application other than calibration work. The instrument was designed for temperature calibration. Any other use of the instrument may cause unknown hazards to the user. • Completely unattended operation is not recommended.
grounding plug for your protection ag ainst electrical shock hazards. It must be plugged directly into a properly grounded three-prong receptacle. The receptacle must be installed in accordance with local codes and ordi - nances. Consult a qualified electrician.
care. Always carry the instrument in an upright position to prevent the probe sleev es from dropping out. The convenient handle allo ws for hand carrying the instrument. • If a mains supply power fluctuation occurs, immediately turn off the in - strument.
CHIN A Phone: +86-10-6-512-3436 T elefax: +86-10-6-512-3437 E-mail: xingye.han@fluke.com.cn Fluke South East Asia Pte Ltd. Fluke ASEAN Regional Of fice Service Center 60 Alexandra T errace #03-16 The Comtech (Lobby D) 118502 SINGAPORE Phone: +65 6799-5588 T elefax: +65 6799-5588 E-mail: antng@singa.
2 Specifications and En vir onmental Conditions 2.1 Specifications Hot Block Cold Block Range 50°C to 670°C (122°F to 1238°F) –30°C to 140°C (–22°F to 284°F) Accuracy ±0.2°C at 50°C ±0.4°C at 400°C ±0.65°C at 600°C ±0.25°C (insert wells) ±0.
• ambient relati ve humidity: 15–50% • pressure: 75kPa–106kPa • mains voltage within ±10% of nominal • vibrations in the calibration en vironment should be minimized • altitudes less than 2000 meters • indoor use only 2.
3 Quic k Start 3.1 Unpac king Unpack the dry-well carefully and inspect it for a ny damage that may ha ve oc - curred during shipment. If there i s shipping damage, notify the carrier immediately .
After using th e calibrator , allow the well to cool by setting the temperatu re to 25°C and waiting 1/2 hour before turning t he instrument of f. 3.4 Setting the T emperature Section 6.2 expl ains in detail ho w to set the temperature set-point on t he cali - brator using the front panel ke y s.
4 P ar ts and Contr ols The user should become familiar with the dry-well calibrator and its parts ( See Figures 1, 2, and 3). 4.1 Rear P anel Pow er Co rd - The removable po wer cord (not shown), attaches to the back side of the inst rument. It plugs int o a standard 115 V A C (optional 230 V A C) grounded socket.
The area around the calibrator must be kept clear to allow adequate v entilation. The air is directed from the bottom to the top and may be ho t. Allo w 6 in ches of open space around the calibrator to allow adequate ventilation. Fuse Holders - On the rear panel are four user accessible fuse holders.
4.3 T op P anel We l l B l o c k - The well block openings are located on t he top of both the cold and hot sides. These openings are for insertion of interchangeable inserts. The inserts are designed to accept probes of var ying diameters. For insert details see Section 4.
9011 Dual-Well Calibrator User’s Guide 16 1/4" (6.35 mm) 3/16" (4.8 mm) 1/8" (3.2 mm) 1/2" (12.7 mm) 1/16" (1.6 mm) 3/8" (9.5 mm) Insert “ A” 3/8" (9.5 mm) 3/8" (9.5 mm) 1/4" (6.35 mm) 1/4" (6.35 mm) 3/16" (4.
5 General Operation 5.1 Setting the T emperature Section 6.2 expl ains in detail ho w to set the temperature set-point on t he cali - brator using the front panel ke y s. The procedure is summarized here. (1) Press “SET” twice to access the set-point value.
6 Contr oller Operation This chapter discusses in detail how to operate the dry-well temperature con - troller using the front control panel. Using the front panel k ey-switc hes and LED display the u.
9011 Dual-Well Calibrator User’s Guide 20 UP UP DOWN DOWN SET Operating Parameters Menu SET SET SET/EXIT SET/EXIT SET/EXIT Cal Menu SET/EXIT SET/EXIT Serial Interface Menu Baud Rate † Adjust Baud Rate † Sample Period Adj. Sample Period Duplex Mode † Adj.
S Access set-point memory 1 100. Set-point memory 1 location, 100°C currently used T o change to another set-point memory press “UP” or “ DO WN”. 4 300. New set-point memory 4 location, 300°C Press “SET” to accept the ne w selection and access the set-point value.
6.3 Scan The scan rate can be set and enabl ed so that when the set-point is changed the dry-well heats or cools at a specified ra te (degrees per minute) until it reaches the ne w set-point. W ith the scan disabled the dry-well heats or cools at the maximum possible rate.
CA UTION: Do not apply any type of volta g e to the display hold termi - nals. Applying a voltage to the terminals may cause damage to the con - tr oller . 6.4.1 Switch Status Connect the thermal switch to t he display hold termi nals on the either t he hot or cold side.
changed states. This feature allo ws for minimal block temperature scanning times and improv ed accurac y . Example 2: W ith the instrument displaying 25°C , set the set-point to 100°C and enabl e the Scan Hold feature.
S Save new setting 6.5.2 Set-points The next parameters are the program set-points. 1 25 F irst set-point Use the “UP” or “DO WN” butt ons to select any of the set-point s. 3 10 Thir d set-point Press “SET” to change the set-point. 10.00 Set-point value Use “UP” and “DO WN” to change the set-point v alue.
to n) only or both up and down (from s et-point n to 1), and also whether the program stops after one cycl e or repeat the cycle i ndefinit ely . The table belo w shows the action of each of the four program mode settings.
instrument must be at temperature and stable prior to taking the set-point resi s - tance reading. T o display the Set-point Resistance, press “SET” and “DO WN” simultaneously when the temperature is display ed. When the “SET” and “DO WN” buttons are released the temperature is again displayed.
6.9 Pr oportional Band In a proportional control ler such as this, t he heater output po wer is proportional to the well temperature o ver a limi ted range of temperatures around the set-point. This range of temperat ure is called the proportional band.
SEC Flashes SEC for secondary menu and then displays the heater power 12.0P Heater power in percent S Access pr oportional band ProP Flashes and then displays the setting 4.1 Pr oportional band setting T o change the proportional band, press “UP” or “DO WN”.
HL Flashes and then displays the setting H=375 Curr ent High Limit setting Press “UP” or “DO WN” to adjust the set ting. H=300 New High Limit setting T o accept the new setting, press “SET”. Press “EXIT” to continue without stor - ing the ne w value.
The baud rate of the serial communications may be programmed to 300, 600, 1200, 2400 (default), 4800, or 9600 baud. Use “UP” or “DO WN” to change the baud rate val ue. 4800 b Ne w baud rate Press “SET” to accept the ne w setting or “EXIT” to abort the operation and skip to the next parameter in the menu.
Press “SET” to accept the ne w setting or “EXIT” to abort the operation and skip to the next parameter in the menu. 6.13.4 Linefeed (cold side only) The final parameter in the menu is the linefeed mode.
The calibration parameters are accessed by pressing “SET” after the name of the parameter is displayed. The value of the parameter may be changed using “UP” or “DO WN”. After the desired value is reached, press “SET” to set the parameter to the ne w value.
38530 Curr ent ALPHA setting T o change the ALPHA setting, press “UP” or “DOWN”. 38600 New ALPHA setting T o accept the new setting, press “SET”. Press “EXIT” to continue without stor - ing the ne w value. S Accept the new ALPHA setting 6.
S Accept the new BET A setting 35 6 Controller Operation Calibration Parameters.
7 Digital Comm unication Interface This instrument is capable of commun icating with and being controlled by other equipment through the digital serial interface. W ith a digital serial interface, the ins trument may be connected to a computer or other equipment.
down “SET”, t hen release both b uttons to enter the secondary menu. Press “SET” repeatedly until the display reads “ PAr ”. Press “UP” once, the serial in - terface menu is indicated with “ SErIAL ”. Finally press “SET” to enter the se - rial parameter menu.
7.1.3 Serial Operation The serial communicat ions uses 8 data bits, one stop bit, and no parity . The set-point and other commands may be sent via the serial interface to set the temperature set-point and vie w or program the vari ous parameters. The inter - face commands are discussed in Sectio n 7.
9011 Dual-Well Calibrator User’s Guide 40 Command Description Command Format † Command Example † Returned Returned Example Acceptable Values Display Temperatur e Read current set-point s[etpoint] s set: 9999.
41 7 Digital Communication Interface Interface Commands Command Description Command Format † Command Example † Returned Returned Example Acceptable Values Read program set-point soak time pt pt ti.
9011 Dual-Well Calibrator User’s Guide 42 Command Description Command Format † Command Example † Returned Returned Example Acceptable Values Set ALPHA calibration parameter to n al[pha]=n al=0.0038433 0.0032 to 0.0042 Read DELTA calibration parameter de[lta] de de: 9.
8 T est Pr obe Calibration For optimum accurac y and stability , allow the calibrator to warm up for 10 minutes after power -up and then allo w adequate stabilization time after reach - ing the set-point temperature.
Speeding up the calibration process can be accomplished by kno wing how soon to make the measurement. It is recommended that typical measurements be made at the desired temperatures with th e desired test probes to establish th ese times.
9 Calibration Pr ocedure 9.1 Calibration Procedure Calibration of thi s instrument should be performed at re gularly scheduled inter - vals by qualified a uthorized personnel in accordance with your compan y’ s pol - ic y . The follo wing is pro vided as a basis for de veloping your o wn procedure for calibrating this instrum ent.
3. Set the set-point to 100°C and allow adequate time for the block to reach this temperature and stabilize. Adjust the ALPHA calibration parameter (see Section 6.14.3) to make the block temperature as measured with the standard thermometer match the set-point.
10 Maintenance • This instrument has been designed with the utmost care. Ease of operation and simplicity of maintenance have been a central theme in the product dev elopment. Therefore, with proper care the instrument should require very little maintenance.
11 T r oubleshooting This section contains information on troubl eshooting, CE Comments, and a wiring diagram. 11.1 T roub leshooting Pr oblems, P ossible Causes, and Solutions In the ev ent that the instrument appears to function abnormally , this section may help to fi nd and solve the problem.
Problem Possible Causes and Solutions The display shows any error Controller probl em. The error messages signif y the following pr oblems with the controller.
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