Page 3 - Table of Contents
Table of Contents 1 Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2.1 Warn...
Page 6 - Figures
iv Figures Figure 1 Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 3 Front Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 7 - Tables; Table 1
v Tables Table 1 International Electrical Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2 Communications Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Table 2 Communications Commands Continued . . . . . . . . . . . . . . . . . . . . ....
Page 8 - Before You Start; Symbols Used; Symbol
1 Before You Start 1.1 Symbols Used Table 1 lists the symbols used on the instrument or in this manual and themeaning of each symbol. Symbol Description AC (Alternating Current) AC-DC Battery Complies with European Union directives DC Double Insulated Electric Shock Fuse PE Ground Hot Surface (Burn ...
Page 9 - Safety Information; The following definitions apply to the terms “Warning” and “Caution”.; Warnings; BURN HAZARD; The air over the well can reach temperatures greater than 200°C.
Symbol Description Canadian Standards Association OVERVOLTAGE (Installation) CATEGORY II, Pollution Degree 2 per IEC1010-1 refers to thelevel of Impulse Withstand Voltage protection provided. Equipment of OVERVOLTAGE CATE-GORY II is energy-consuming equipment to be supplied from the fixed installati...
Page 11 - Cautions
• DO NOT REMOVE INSERTS AT HIGH TEMPERATURES. Inserts will be the same temperature as the display temperature. Use extreme carewhen removing hot inserts. • DO NOT operate this unit without a properly grounded, properly polar - ized power cord. • DO NOT connect this unit to a non-grounded, non-polari...
Page 12 - Hart Scientific Authorized Service Centers
• Components and heater lifetime can be shortened by continuous hightemperature operation. • Most probes have handle temperature limits. Be sure that the probe handletemperature limit is not exceeded in the air above the unit. • (9107 only) Always use the well insulator, see Section 5.4. • Allow for...
Page 15 - Specifications; Environmental Conditions; The instrument operates safely under the following conditions:
3 Specifications and Environmental Conditions 3.1 Specifications The following table lists the specifications for this instrument. Accuracy speci-fications are applicable for a one-year calibration interval. In line with normalprudent metrology practices, Hart Scientific recommends a short-cycle int...
Page 16 - Warranty
• temperature range 5 - 50°C (41 - 122°F) • ambient relative humidity 15 - 50% • pressure - 75kPa - 106kPa • mains voltage within ± 10% of nominal • vibrations in the calibration environment should be minimized • altitude less than 2,000 meters 3.3 Warranty Hart Scientific, Inc. (Hart) warrants this...
Page 17 - DO NOT; DO NOT; operate near; DO NOT; use fluids to clean out the well.
4 Safety Guidelines • Operate the instrument in room temperatures between 5–50°C(41–122°F). Allow sufficient air circulation by leaving at least 6 inches ofspace between the instrument and nearby objects. DO NOT place under a cabinet or other structure. Allow for overhead clearance. • The dry-well i...
Page 19 - Unpacking; Verify that the following components are present:; place under a cabinet; Power
5 Quick Start 5.1 Unpacking Unpack the dry-well carefully and inspect it for any damage that may have oc-curred during shipment. If there is shipping damage, notify the carrierimmediately. Verify that the following components are present: • 9105 or 9107 Dry-well • 2173 Insert, 1/4” Aluminum • Power ...
Page 20 - Setting the Temperature; Press “SET” twice to access the set-point value.
“POWER” switch. The dry-well will turn on and begin to heat to the previouslyprogrammed temperature set-point. The front panel LED display will indicatethe actual dry-well temperature. The 9107 is field switchable between 115 V and 230 V. Refer to Section 7.2,Switching to 230 V Operation, for inform...
Page 21 - Rear Panel; Power Cord; - At the rear of the calibrator is the removable power cord that
6 Parts and Controls The user should become familiar with the dry-well calibrator and its parts. 6.1 Rear Panel See Figure 2. Power Cord - At the rear of the calibrator is the removable power cord that plugs into a standard 115 VAC grounded socket. (230 VAC optional.) Power Switch (9105) - The power...
Page 22 - Front Panel; Controller Display
Power Entry Module (9107) - The power switch is located on the power entry module (PEM). The PEM also houses the fuses.The supply voltage for the unitis indicated on the PEM. Serial Port - This D-9 connector is for interfacing the calibrator to a computer or terminal with serial RS-232 communication...
Page 23 - UP – Used to increment the displayed value.; Control Indicator; - The Control Indicator is a two color light emitting diode.; Constant Temperature Block Assembly; Constant Temperature Block
UP – Used to increment the displayed value. EXIT – Used to exit from a menu. When EXIT is pressed any changes made tothe displayed value will be ignored. Control Indicator - The Control Indicator is a two color light emitting diode. This indicator lets the user visually see the ratio of heating to c...
Page 27 - Calibrating Probes
7.3 Setting the Temperature Section 8.3 explains in detail how to set the temperature set-point on the cali-brator using the front panel keys. The procedure is summarized here. (1) Press “SET” twice to access the set-point value. (2) Press “UP” or “DOWN” to change the set-point value. (3) Press “SET...
Page 28 - Well Temperature; Well temperature in degrees Celsius
8 Controller Operation This chapter discusses in detail how to operate the dry-well temperature con-troller using the front control panel. Using the front panel key-switches andLED display the user may monitor the well temperature, set the temperatureset-point in degrees C or F, monitor the heater o...
Page 30 - Temperature Set-point; Programmable Set-points
When the cut-out is active and the cut-out mode is set to manual (“reset”) thenthe display will flash “cut-out” until the user resets the cut-out. To access thereset cut-out function press the “SET” button. S Access cut-out reset function The display will indicate the reset function. rESEt ? Cut-out...
Page 31 - Temperature Scale Units; Scale units currently selected; Scan
To change the set-point memory press “UP” or “DOWN”. 3. -10.0 New set-point memory 3, –10.0°C Press “SET” to accept the new selection and access the set-point value. S Accept selected set-point memory 8.3.2 Set-point Value The set-point value may be adjusted after selecting the set-point memory andp...
Page 32 - Scan Control; Scan function off; Scan Rate; Press “UP” or “DOWN” to change the scan rate.; Temperature Display Hold
reaches the new set-point. With the scan disabled the dry-well will heat or coolat the maximum possible rate. 8.4.1 Scan Control The scan is controlled with the scan on/off function that appears in the mainmenu after the set-point function. ScAn=OFF Scan function off Press “UP” or “DOWN” to toggle t...
Page 33 - Hold Temperature Display; Well temperature display; Mode Setting
8.5.1 Hold Temperature Display When the hold feature is enabled you can easily switch the display between thenormal temperature display and the hold temperature display by simply press-ing the “UP” or “DOWN” buttons. The hold temperature display shows thehold temperature on the right and the switch ...
Page 34 - Scan Hold; To change the mode press “UP” or “DOWN”.; Switch Wiring
HoLd=OFF Hold mode set to off To change the mode press “UP” or “DOWN”. HoLd=Aut Automatic mode HoLd=n.c. Normally closed mode HoLd=n.o. Normally open mode Press “SET” to accept the displayed setting. 8.5.3 Scan Hold In addition to controlling the hold temperature display, a switch can also con-trol ...
Page 36 - Ramp and Soak Program Menu; The program parameter menu is accessed by pressing “SET” and then “UP”.; ProG; Program menu; Number of Program Set-points; Number of program set-points
8.6 Ramp and Soak Program Menu The ramp and soak program feature allows the user to program a number ofset-points and have the dry-well automatically cycle between the temperatures,holding at each for a determined length of time. The user can select one of fourdifferent cycle functions. The program ...
Page 37 - Program Soak Time; Soak time in minutes
Use the “UP” or “DOWN” buttons to change the number from 2 to 8. Pn=3 New number of program set-points Press “SET” to continue. Pressing “EXIT” will cause any changes made to theparameter to be ignored. S Save new setting 8.6.2 Set-points The next parameters are the program set-points. 1 25.0 First ...
Page 38 - Press “SET” to continue.; Program Function Mode; Function; Use the “UP” or “DOWN” buttons to change the mode.; Program Control; Use the “UP” or “DOWN” buttons to change the status.
Press “SET” to continue. S Save new setting 8.6.4 Program Function Mode The next parameter is the program function or cycle mode. There are four pos-sible modes which determine whether the program will scan up (from set-point1 to n) only or both up and down (from set-point n to 1), and also whether ...
Page 39 - Activate new command.; Secondary Menu; The first function in the secondary menu is the; Heating Power; Well temperature; Proportional Band
S Activate new command. 8.7 Secondary Menu Functions which are used less often are accessed within the secondary menu. The secondary menu is accessed by pressing “SET” and “EXIT” simulta-neously and then releasing. The first function in the secondary menu is the heater power display. 8.8 Heating Pow...
Page 42 - Controller Configuration; These are accessed; Probe Parameters; The probe parameter menu is indicated by,; PrObE; Probe parameters menu
CO= 80C Cut-out set-point To change the cut-out set-point press “UP” or “DOWN”. CO= 70C New cut-out set-point To accept the new cut-out set-point press “SET”. S Accept cut-out set-point The next function is the configuration menu. Press “EXIT” to resume display-ing the well temperature. 8.11 Control...
Page 43 - Operating Parameters; The operating parameters menu is indicated by,; PAr; Operating parameters menu
8.11.1.2 ALPHA This probe parameter refers to the average sensitivity of the probe between 0and 100°C. The value of this parameter is set at the factory for best instrumentaccuracy. 8.11.1.3 DELTA This parameter relates to the second order nonlinearity of the sensor. The valueis set at the factory f...
Page 44 - The parameter is indicated by,; CtorSt; To change to manual reset mode press “UP” and then “SET”.; Soak Stability; Serial Interface Parameters; The serial RS-232 interface parameters menu is indicated by,; SErIAL; BAUD Rate; The BAUD rate parameter is indicated by,; BAUd
The parameter is indicated by, CtorSt Cut-out reset mode parameter Press “SET” to access the parameter setting. Normally the cut-out is set for au-tomatic mode. Cto=Auto Cut-out set for automatic reset To change to manual reset mode press “UP” and then “SET”. Cto=rSt Cut-out set for manual reset 8.1...
Page 45 - Sample Period; SAmPLE; Serial sample period parameter; Duplex Mode; dUPL; Serial duplex mode parameter; Linefeed
Press “SET” to set the BAUD rate to the new value or “EXIT” to abort the op-eration and skip to the next parameter in the menu. 8.11.3.2 Sample Period The sample period is the next parameter in the serial interface parameter menu.The sample period is the time period in seconds between temperature me...
Page 46 - LF; Press “SET” to access the linefeed parameter.; IEEE; Press “SET” to enter the menu.; AddrESS; Press “SET” to access the address setting.; Termination
LF Serial linefeed parameter Press “SET” to access the linefeed parameter. LF= On Current linefeed setting The mode may be changed using “UP” or “DOWN” and pressing “SET”. LF= OFF New linefeed setting 8.11.4 IEEE-488 Parameters The calibrator may optionally be fitted with an IEEE-488 GPIB interface....
Page 47 - Calibration Parameters; DO NOT change the values of the calibration constants from; CAL; Calibration parameters menu; CTO
8.11.5 Calibration Parameters The user has access to a number of the instrument calibration constants namelyCTO, B0, and BG. These values are set at the factory and must not be altered.The correct values are important to the accuracy and proper and safe operationof the calibrator. Access to these pa...
Page 48 - Serial Communications; Wiring; RS-232 Cable Wiring for
9 Digital Communication Interface The dry-well calibrator is capable of communicating with and being controlledby other equipment through the digital interface. Two types of digital interfaceare available — the RS-232 serial interface and the IEEE-488 GPIB interface. With a digital interface the ins...
Page 50 - Serial Operation; IEEE-488 Communication; Setup; IEEE-488 Interface Address
9.1.3 Serial Operation Once the cable has been attached and the interface set up properly the control-ler will immediately begin transmitting temperature readings at the pro-grammed rate. The serial communications uses 8 data bits, one stop bit, and noparity. The set-point and other commands may be ...
Page 51 - Interface Commands
9.3 Interface Commands The various commands for accessing the calibrator functions via the digital in-terfaces are listed in this section (see Table 2 starting on page 47). These com-mands are used with both the RS-232 serial interface and the IEEE-488 GPIBinterface. In either case the commands are ...
Page 52 - Command Description
9105/9107 47 9 Digital Communication Interface Command Description CommandFormat CommandExample Returned ReturnedExample AcceptableValues Display Temperature Read current set-point s[etpoint] s set: 9999.99 {C or F} set: 150.00 C Set current set-point to n s[etpoint]=n s=450 Instrument Range Read sc...
Page 55 - Test Probe Calibration; Comparison Methods; Direct Calibration; Never introduce any foreign material into the probe hole of the; Comparison Calibration
10 Test Probe Calibration For optimum accuracy and stability, allow the calibrator to warm up for 10minutes after power-up and then allow adequate stabilization time after reach-ing the set-point temperature. After completing calibration, allow the block tocool before switching the power off. For in...
Page 56 - Place the reference probe in one well.; Calibration of Multiple Probes; Dry-Well Characteristics
type, length, diameter, and material. Probes should be inserted to the samedepth in the well. The following procedure can be used to calibrate a probe against a referencewhile eliminating error due to temperature gradients between wells. 1. Place the reference probe in one well. 2. Place the probe t...
Page 58 - Calibration Procedure; Calibration Equipment
11 Calibration Procedure 11.1 Calibration Procedure Calibration of this instrument should be performed at regularly scheduled inter-vals by qualified authorized personnel in accordance with your company’s pol-icy. Following is the recommended procedure for calibrating this instrument. 11.1.1 Calibra...
Page 60 - Maintenance; use fluid to clean out the well.; slam the probe stems into the well. This type of action can
12 Maintenance • The calibration instrument has been designed with the utmost care. Easeof operation and simplicity of maintenance have been a central theme inthe product development. Therefore, with proper care the instrumentshould require very little maintenance. Avoid operating the instrument ina...
Page 62 - Troubleshooting; Problem
13 Troubleshooting 13.1 Troubleshooting In the event that the dry-well appears to function abnormally, this sectionmay help to find and solve the problem. Several possible problem condi-tions are described along with likely causes and solutions. If a problemarises, please read this section carefully...
Page 63 - Comments; EMC Directive
Problem Causes and Solutions Temperature readout is not theactual temperature of the well With the unit stable, slowly rotate the unit. If no change occurs, the unitmay need to be calibrated. Contact Hart Scientific Customer Service. If thedisplay changes more than twice the normal display deviation...
Page 64 - Wiring Diagrams
13.3 Wiring Diagrams 9105/9107 61 13 Troubleshooting CHASSIS EAR TH WHT/ORG/BLK WHT/YEL/BLK WHT/ORG/BLK WHT/BLK/YEL GRN GR Y/WHT BLK/YEL/WHT BLU/WHT BLK/GR Y/WHT GRN BLU BRN FIL TER 2. SYSTEM FUSE: 1.5A FOR 115 VA C VERSION TFMR PWR CTRL AC IN WHT/YEL WHT/YEL FA N AC IN G N H G N H J3 J2 J4 J1 BLK R...
