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 WARNINGS . . . . . . . . . . . . . . . . . . . . . ...
Page 6 - Figures and Tables
iv Figures and Tables Table 1 International Electrical Symbols . . . . . . . . . . . . . . . . . . . . . 1 Figure 1 Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 2 Top and Side View . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 3 INFO-CON Co...
Page 7 - Symbols Used; Table 1
1 Before You Start 1.1 Symbols Used Table 1 lists the International Electrical Symbols. Some or all of these symbolsmay be used on the instrument or in this manual. Symbol Description AC (Alternating Current) AC-DC Battery CE Complies with European Union Directives DC Double Insulated Electric Shock...
Page 8 - Safety Information; The following definitions apply to the terms “Warning” and “Caution”.; WARNINGS; To avoid personal injury, follow these guidelines.; DO NOT; use this unit in environments other than those listed in the
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 ofOVERVOLTAGE CATEGORY II is energy-consuming equipment to be supplied fromthe fixed installatio...
Page 9 - CAUTIONS
• The AC adapter has circuits with high voltage inside that could presentdanger of electrical shock or fire if exposed. If the AC adapter is damagedin any way or becomes hot, discontinue its use immediately, disconnect itfrom any AC supply, and have it replaced. Do not attempt to open, repair,or con...
Page 10 - Authorized Service Centers
• Keep the probe wires clean and away from fluids. 1.3 Authorized Service Centers Please contact one of the following authorized Service Centers to coordinateservice on your Hart product: Fluke Corporation, Hart Scientific Division 799 E. Utah Valley Drive American Fork, UT 84003-9775 USA Phone: +1....
Page 11 - Fluke South East Asia Pte Ltd.
Fluke South East Asia Pte Ltd. Fluke ASEAN Regional Office Service Center 60 Alexandra Terrace #03-16 The Comtech (Lobby D) 118502 SINGAPORE Phone: +65 6799-5588 Telefax: +65 6799-5588 E-mail: [email protected] When contacting these Service Centers for support, please have the following informat...
Page 12 - Measures with a fast one-second measurement cycle; Introduction
2 Introduction The Hart 1522 is a low-cost, high-accuracy digital thermometer readout de-signed to be used with PRTs and thermistors. The unique combination of fea-tures makes this instrument suitable for a wide variety of applications inindustry. Features and capabilities of the 1522 include the fo...
Page 13 - Specifications and Environmental Conditions
3 Specifications and EnvironmentalConditions 3.1 Specifications Resistance Range 0 Ω to 500 k Ω Resistance Accuracy, PRT, oneyear † 0 Ω to 25 Ω : 0.002 Ω 25 Ω to 400 Ω : 0.008% (80 ppm) of reading Resistance Accuracy,thermistor, one year † 0 Ω to 2 k Ω : 0.4 Ω 2 k Ω to 200 k Ω : 0.02% (200 ppm) of r...
Page 14 - Environmental Conditions; The instrument operates safely under the following conditions:; Warranty
Digital Filter Exponential with adjustable time constant (1 to 60 seconds) Remote Communications RS-232 serial, infrared Display LCD, 6-digit x 7-segment with 16-character alphanumeric Operating Temperature Range 0 to 40°C (32 to 104°F) absolute15 to 35°C (59 to 95°F) full accuracy Power 12 VDC (AC ...
Page 16 - Unpacking; Learn About the Features and Components; Quick Start
4 Quick Start This section briefly explains the basics of setting up and operating your ther-mometer readout. 4.1 Unpacking Carefully unpack the 1522 and accessories and inspect them to make sure allcomponents are present and in satisfactory condition. Verify that the followingitems are present: • 1...
Page 17 - Connect the Probe; The INFO-CON probe connector includes a memory device that; stores the; allowing the 1522 to measure tempera-; Connect the Power Source
4.4 Connect the Probe The PRT or thermistor probe connects to the top of the 1522 using Hart’sunique INFO-CON probe connector. The probe connector is inserted into thetop of the instrument with the ridged to the back and fits snugly and locked intoplace when it is fully inserted. The INFO-CON probe ...
Page 19 - Front View; Parts and Controls; Figure 1
5 Parts and Controls The functions of the various features of the 1522 are described below. 5.1 Front View The front of the 1522 features the LCD display and control buttons. 17 5 Parts and Controls Front View Figure 1 Front View
Page 21 - Probe Connector; - At the top of the thermometer readout is the opening where; DC Power Input; - The AC adapter plugs into the DC power input to recharge; Serial Port; - The RS-232 serial port provides a means of connecting the 1522; Infrared Window; - The infrared window has no functionality.; Figure 2
5.2 Top and Side View The top and side of the 1522 feature the probe connector, DC power input, se-rial port, and infrared window. Probe Connector - At the top of the thermometer readout is the opening where the probe connector is inserted. The probe must be connected using anINFO-CON probe connecto...
Page 22 - Back View; Stand; Internal Features; Battery
5.3 Back View See Figure 5 on page 25. Stand - The stand at the back of the 1522 can be flipped down to prop up the instrument for better viewing. Battery Compartment - Behind the stand is the compartment that contains the battery pack. The battery pack can be accessed if necessary by opening the ba...
Page 23 - The 1522's accessories and their features are described here.; AC Adapter; - The AC adapter recharges the internal battery pack and may also; Serial Cable; - The serial cable is used to connect a computer or a printer to the; Probe; Figure 3
5.5 Accessories The 1522's accessories and their features are described here. AC Adapter - The AC adapter recharges the internal battery pack and may also be used to supply power to operate the 1522 while the battery is being charged(see Section 6.2). Serial Cable - The serial cable is used to conne...
Page 24 - IR Dongle; Log
Ordering Information Model Type Range Size Cal Uncertainty andRepeatability † Typical Drift † (1 year) 5613 Pt-100 Ohm, 4-wire –200 to 300°C 3/16” x 6” (4.76 x 152 mm) ±0.025°C ±0.01°C 5612 Pt-100 Ohm, 4-wire –200 to 450°C 3/16” x 9” (4.76 x 229 mm) ±0.025°C ±0.01°C 5627–6 Pt-100 Ohm, 4-wire –200 to...
Page 25 - Software; Ware; INFO-CON Download Adapter; - There are two types of cases available for your 1522 ther-; Figure 4
computer and written to a file quickly. These items must be purchased sepa-rately. Log Ware Software - The Log Ware software are data acquisition software packages that can be used with your thermometer to collect and graph data. Thesoftware also allows the user to download data logged from the inst...
Page 26 - The battery is recharged; General Operation; Figure 5
6 General Operation This section explains the details of the operation of the 1522 with its compo-nents and accessories. 6.1 Battery The 1522 has a built-in nickel-metal-hydride battery pack that can power theinstrument for about 18 hours before needing to be recharged. The battery dis-charges much ...
Page 27 - Note the orientation of the battery plug on the; Replace the battery cover and screw.; DC Power Source
tery automatically when it’s fully charged. It normally takes about four hours tofully charge the battery. The instrument can be operated while the battery is be-ing charged. CAUTION: DO NOT leave the AC adapter plugged in for more than 24 consecutive hours or, the battery life could be degraded. Th...
Page 28 - The AC adapter contains high voltage circuits that could; Figure 6
adapter supplied by Hart Scientific. The DC power source plugs into the DCpower input on the right side of the 1522. WARNING: The AC adapter contains high voltage circuits that could present danger of electric shock or fire if exposed. If the AC adapter isdamaged in any way or becomes hot, discontin...
Page 29 - MODE; The
second. The display unit associated with the measurement is shown in smallertype to the right of the measurement. The possible display units are degreesCelsius (C), resistance in ohms ( Ω ), degrees Fahrenheit (F), Kelvin (K), and degrees Rankine (R). The display units can be easily changed accessin...
Page 31 - Figure 7
C1 and P1 terminals and the other single wire to the C2 and P2 terminals(which are shorted together). 1522 Handheld Thermometer Readout User’s Guide 30 GND P1 C2 P2 C1 J1 J2 Hart Scientific Four-wire Connection GND P1 C2 P2 C1 J1 J2 Hart Scientific Three-wire Connection GND P1 C2 P2 C1 J1 J2 Hart Sc...
Page 32 - Blank mode if left in any of these modes when the power is cycled.; Display Functions
7 Display Functions The insturment operates in any of several modes which determine what infor-mation is visible in the lower alphanumeric portion of the display. The MODE button sequences through the menu functions. This button can be pressed re-peatedly until a desired mode is set. The various mod...
Page 33 - Blank Mode; Figure 8
Each of these operating modes is described in the sections that follow. 7.1 Blank Mode This mode is identified by “Blank” that temporarily appears on the display. 1522 Handheld Thermometer Readout User’s Guide 32 Blank Mode Set Units Min/Max Mode Set Rate Set Resolution Cal Mode Demand Logging butto...
Page 34 - Demand Logging; Demand Log Label and Data Storage
In this mode nothing appears on the alphanumeric portion of the display. Usethis mode if you are only interested in the latest measurements and want to sim-plify the appearance of the display. The message “Prb cal expired”, “Mtr cal expired”, “Recharge Needed”, or“Probe is locked” may be displayed. ...
Page 35 - Auto Logging
The labels can be pre-loaded using the Windows® HyperTerminal or other se-rial communications program and the command LBnn[=nnnnnnnn] as de-scribed in Section 8.2.1. The labels can also be pre-loaded using the serial portor the 2374 IR dongle with the 9934 Log Ware or 9935 Log Ware II software avail...
Page 36 - Autologged Data Storage
7.4.1 Clear Autolog? This function clears the memory of all autologged data. Once the 1522 haslogged 10,000 readings, further automatic logging is prevented until the mem-ory has been cleared. Pressing the CLR button cancels the “Clr Autolog?” function and advances to the next function. Pressing the...
Page 37 - ENT; Units; Up
Press the ENT button to stop autologging and to advance to the next function. 7.4.5 Dump Data? This function allows the user to download the autologged data using the serialport or print the downloaded dats to a serial printer. To download using the se-rial port, see Section 8 of this guide before s...
Page 38 - last digit is underlined,; Resolution
button stores the selection. If the MODE button or CLR button is pressed with- out pressing ENT the unit remains unchanged. Once the unit is selected, subse- quent measurements will appear in that unit. After the Min/Max and Delta(x)modes are initiated, their values are automatically converted when ...
Page 42 - Prb Type; tional Temperature Scale of 1990
7.9.8 Prb Type This function specifies the type of probe and its characterization. It allows theinstrument to use the appropriate algorithm to calculate temperature from themeasured resistance of the probe. The functions that follow the probe conver-sion function for setting probe characterization c...
Page 43 - Consider the following examples.
Coefficients Certificate Value R(.01) Rtpw a a5, a6, a7, a8, a9,a10, or a11 b b5, b6, b7, b8 or b9 c c6 or c7 d d a4 a4 or a5 b4 b4 or b5 Consider the following examples. Example 1: A PRT was calibrated to ITS-90 and its calibration certificate states values forcoefficients R(273.16K), a4, b4, a8, a...
Page 44 - CVD; r t
Coefficients Certificate Value R(.01) R(273.16K) a a5 b b5 c 0.0 d 0.0 a4 a5 b4 b5 7.9.10 IEC751 The IEC751 probe type is for standard PRTs (RTDs) conforming to the IEC751or DIN-43760 standards. This type of probe is generally low cost and has awide operating range (–180°C to 420°C or higher), but h...
Page 45 - R T K; Probe Wires
7.9.13 THERM The THERM type is for thermistors that have unique calibration coefficients ordo not match the YSI-400 specification. This type of probe generally has mod-erate cost, a limited operating range (–40°C to 150°C), excellent accuracy(0.005°C to 0.01°C) and excellent resolution (0.002°C). Th...
Page 47 - MDue
each date segment and the ENT button to move to the next date segment on the right. Press ENT when the date is correctly entered. Press CLR to move to the next function without changing the date. 7.9.19 MDue This function shows the date the instrument is due for calibration and allows itto be set. T...
Page 48 - The TxD line on one side connects to the RxD line on the other; Communications Interface
8 Communications Interface Remote communications allows an external device, such as a computer, to com-municate with the instrument to obtain measurement data and control its opera-tion. Communication is accomplished with various commands issued to theinstrument through the RS-232 serial port. 8.1 R...
Page 49 - Communication Command List; Primary Commands; The following group of commands read or set various functions.
The protocol for serial communications is 8 data bits, 1 stop bit, and no parity. Use no flow control. The baud rate is fixed at 2400, the linefeed to ON (all car- riage returns are followed by a linefeed (ASCII decimal 10)), and the duplex toHALF disabling echo. The serial port can be used to trans...
Page 51 - Calibration Commands; Calibration parameters can only be changed if protection is dis-
Description Command Example ResponseFormat ResponseExample Range n Numeric data supplied by user 9 Numeric data returned to user x Character data returned to user 8.2.2 Calibration Commands The following group of commands directly or indirectly affect the accuracy ofthe instrument. These commands sh...
Page 53 - Required Equipment
9 Calibration The 1522 should be calibrated at regular intervals to ensure that it continues tomeasure with proper accuracy. Calibration should only be done by qualified,authorized personnel. 9.1 Required Equipment The following items are required to test and calibrate the 1522: • 0 Ω four-wire resi...
Page 54 - Verify the accuracy at 0
4. Verify the accuracy at 0 Ω , 4k Ω , 10 k Ω , 40 k Ω , 100 k Ω , and 500 k Ω . 5. Set the meter calibration date to the present date (see Section 7.9.18). 6. Set the meter due date to a user defined date (see Section 7.9.19). 1522 Handheld Thermometer Readout User’s Guide 54
Page 55 - Maintenance; 0 Maintenance
10 Maintenance • This instrument has been designed with the utmost care. Ease of operationand simplicity of maintenance have been a central theme in the productdevelopment. With proper care the instrument should require very littlemaintenance. Avoid operating the instrument in oily, wet, dirty, or d...
Page 56 - Troubleshooting; 1 Troubleshooting
11 Troubleshooting In case you run into difficulty while operating the 1522, this section providessome suggestions that may help you solve the problem. Below are several situa-tions that may arise followed by possible causes of the problem and suggestedactions you might take. 11.1 An Error Message I...
Page 57 - Downloading Autologged Data
Problem Solution While attempting to measure re-sistance the display shows an in-correct value. Poor or incorrect connection of the probe. A common mistake is to connect the wires of the probe to the wrong terminals. Check the wir-ing carefully (see Figure 7). Open, shorted, or damaged sensor or lea...
Page 59 - CE Comments; EMC Directive; Electrical equipment for; Immunity Testing
sion. For best results, place the IR dongle and the IR window on the 1522 at anangle of 0° and within 0.5 meters. 11.4 CE Comments 11.4.1 EMC Directive Hart Scientific’s equipment has been tested to meet the European Electromag-netic Compatibility Directive (EMC Directive, 89/336/EEC). The Declarati...
Page 60 - Emission Testing
Electric Fast Transit (EFT, Burst, IEC 61000-4-4). If the instrument is sub-jected to EFT conditions at 2kV, the instrument may require the user to cyclethe power to return to normal operation. 11.4.1.2 Emission Testing The instrument fulfills the limit requirements for Class A equipment but doesnot...
