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Hart Scientific
9140
Dry-wellCalibrator
User’sGuide
Rev. 5B1702
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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. � Copyright © 2005 � Printed in USA Rev. 5B1702
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Table of Contents 1 Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2.1 WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.2.2 CAUTIONS . . . . . . . . . . . . . . .
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7.2 Temperature Set-point . . . . . . . . . . . . . . . . . . . . . . . . 21 7.2.1 Programmable Set-points . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 7.2.2 Set-point Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.2.3 Temperature Scale Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 7.3 Scan . . . . . . . . . . . .
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10 Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . 43 10.1 Calibration Points . . . . . . . . . . . . . . . . . . . . . . . . . . 43 10.2 Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . 43 10.2.1 Compute DELTA: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 10.2.2 Compute R0 & ALPHA: . . . . . . . . . . . . . . . . . . .
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Figures Figure 1 9140 Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 2 9140 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 3 Inserts available for the 9140 block assembly . . . . . . . . . . . . . . 15 Figure 4 Controller Operation Flowchart . . . . . . . . . . . . . . . . . . . . . 22 Figure 5 Well temperature fluctuation at various proportion
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Tables Table 1 International Electrical Symbols . . . . . . . . . . . . . . . . . . . . . 1 Table 2 9140 controller communications commands. . . . . . . . . . . . . . . 36 Table 3 9140 controller communications commands continued . . . . . . . . . 37 v
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1 Before You Start Symbols Used 1 Before You Start 1.1 Symbols Used Table 1 lists the symbols used on the instrument or in this manual and the meaning of each symbol. Table 1 International Electrical Symbols Symbol Description AC (Alternating Current) AC-DC Battery Complies with European Union directives DC Double Insulated Electric Shock Fuse PE Ground Hot Surface (Burn Hazard) Read the User’s Manual (Important Information) Off On 1
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9140 Dry-well Calibrator User’s Guide Symbol Description Canadian Standards Association OVERVOLTAGE (Installation) CATEGORY II, Pollution Degree 2 per IEC1010-1 re- fers to the level of Impulse Withstand Voltage protection provided. Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be supplied from the fixed installation. Examples include household, office, and laboratory appliances. C-TIC Australian EMC The European Waste Electrical and Electronic Equipment (WEEE) Directive
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1 Before You Start Safety Information ing power such as storage in a low humidity temperature chamber operat- ing at 50°C for 4 hours or more. • DO NOT 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. • Overhead clearance is required. DO NOT place the instrument under a cabinet or other structure.
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9140 Dry-well Calibrator User’s Guide ELECTRICAL SHOCK • These guidelines must be followed to ensure that the safety mechanisms in this instrument will operate properly. This instrument must be plugged into a 115 VAC, 60Hz (230 VAC, 50Hz optional), AC only electric outlet. The power cord of the instrument is equipped with a three-pronged grounding plug for your protection against electrical shock hazards. It must be plugged directly into a properly grounded three-prong receptacle. The receptacle
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1 Before You Start Authorized Service Centers • The instrument and any thermometer probes used with it are sensitive in- struments that can be easily damaged. Always handle these devices with care. DO NOT allow them to be dropped, struck, stressed, or overheated. • The Factory Reset Sequence (see Section 12.1, Troubleshooting) should be performed only by authorized personnel if no other action is successful in correcting a malfunction. You must have a copy of the most recent Re- port of Calibrat
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9140 Dry-well Calibrator User’s Guide Science Park Eindhoven 5108 5692 EC Son NETHERLANDS Phone: +31-402-675300 Telefax: +31-402-675321 E-mail: ServiceDesk@fluke.nl Fluke Int'l Corporation Service Center - Instrimpex Room 2301 Sciteck Tower 22 Jianguomenwai Dajie Chao Yang District Beijing 100004, PRC CHINA Phone: +86-10-6-512-3436 Telefax: +86-10-6-512-3437 E-mail: xingye.han@fluke.com.cn Fluke South East Asia Pte Ltd. Fluke ASEAN Regional Office Service Center 60 Alexandra Terrace #03-16 The C
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2 Introduction 2 Introduction The Hart Scientific 9140 Mid-Range Field Calibrator may be used as a portable instrument or bench top temperature calibrator for calibrating thermocouple and RTD temperature probes. The 9140 is small enough to use in the field, and accurate enough to use in the lab. The instrument features: • Rapid heating and cooling • Interchangeable multiple hole aluminum probe sleeves • Convenient hand strap • RS-232 interface capability Built in programmable features include: •
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3 Specifications and Environmental Conditions Specifications 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 normal prudent metrology practices, Hart Scientific recommends a short-cycle interval of six months for new units during the first year. Power 115 VAC (±10%), 4.4 A or 230 VAC (±10%), 2.2 A, switchable 500 W Ambient T
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9140 Dry-well Calibrator User’s Guide operated in an excessively dusty or dirty environment. Maintenance and clean- ing recommendations can be found in the Maintenance Section of this manual. The instrument operates safely under the following conditions: • 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 does not effect the performance
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4 Quick Start Unpacking 4 Quick Start 4.1 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 carrier immediately. Verify that the following components are present: • 9140 Dry-well • Insert • Insert Removal Tool • Power Cord • Serial Cable • User's Guide • 9930 Software Package 4.2 Set-Up Place the calibrator on a flat surface with at least 6 inches of free space around the instrument. Plug the po
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9140 Dry-well Calibrator User’s Guide dry-well will turn on and begin to heat to the previously programmed tempera- ture set-point. The front panel LED display will indicate the actual dry-well temperature. 4.4 Setting the Temperature Section 7.2 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) Pr
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5 Parts and Controls Rear Panel 5 Parts and Controls The user should become familiar with the dry-well calibrator and its parts: 5.1 Rear Panel Figure 1 on page 13. Power Cord - At the rear of the calibrator is the removable power cord inlet that plugs into an IEC grounded socket. Power Switch - The power switch is located on the power entry module (PEM). The PEM also houses the fuses and the dual voltage selector. The PEM and Heater Voltage Switch (see below) allow the unit to be field switchab
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9140 Dry-well Calibrator User’s Guide around the two corners of the calibrator are provided for airflow. The area around the calibrator must be kept clear to allow adequate ventilation. The air- flow is directed upward and as a result, can be extremely hot. 5.2 Front Panel Figure 2 on page 14. Controller Display - The digital display is an important part of the temperature controller because it not only displays set and actual temperatures but also vari- ous calibrator functions, settings, and c
