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Table of Contents
- 1 Installation
- 2 Maintenance
- 3 Uncertainty of Measurement
- 4 Working Temperature
- 5 Front Panel Keys
- 6 Sensor Configuration
- 7 Data Logging Setup
- 8 Rtd Inputs
- 9 Thermocouple Inputs
- 10 Probe Connection
- 11 Rtd Calibration
- 12 Thermocouple Calibration
- 13 Equipment Needed
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Operating Instructions Manual
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Table of Contents
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Summary of Contents for Cropico 3000 series
- Page 1 SERIES 3000 THERMOMETER OPERATING INSTRUCTIONS 3000.doc Iss. 2/00...
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Page 2: Installation
The 3000 series are ½19", 2.5U high. When connected to a mains supply, the mains cord provided with the equipment should be used, and connected only to a mains supply with a suitable earth connection. -
Page 3: Maintenance
MAINTENANCE Normally no maintenance is required other than cleaning with a moist cloth. Avoid aggressive detergents or solvents. CAUTION: Before any maintenance, repair or exchange of parts or fuses, the instrument must be disconnected from the mains supply and all other power sources. In the event of a fault occurring, the instrument should be returned to our factory or Agent for rectification. - Page 4 TECHNICAL SPECIFICATION DISPLAY: LCD Graphics Panel, 240 x 64 dot, with LED backlight contrast control via front panel keyboard. INPUTS: 2 channels for PRTs via 6 pin Lemo sockets. LEMO type number for input plug: FGG1B.306.CLAD52 IMPUT IMPEDENCE > 10MΩ Max.
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Page 5: Uncertainty Of Measurement
UNCERTAINTY OF MEASUREMENT DISPLAY TYPE RANGE RESOLUTI UNCERTAINTY UNCERTAINTY TEMPERATURE °C @ 20°C ± 5°C 1 YEAR @ 20% ± 5°C 60 Days COEFFICIENT RESOLUTI °C °F or ON µV /°C ± (0.025% Rdg + ± (0.02% Rdg + +250 to 0.01 7 ppm Rdg + 6 +1820... - Page 6 (OPTION) the rear panel. The output is scaled 1mV/°C. a 12 bit D/A converter is used and the resolution is 0.1°C. The output refers to the value on the display. Accuracy ± (0.5% Rdg + 0.5%FS) This option is designed primarily for following trends and is not intended to be used when accurate measurements are required.
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Page 7: Front Panel Keys
GENERAL The series 3000 Thermometers come ready for immediate use, with rechargeable batteries and built-in charger. The instruments are switched on and off using the left hand buttons marked appropriately. Connecting the mains cord automatically enables the battery charging circuit and charges the batteries at the required rate. - Page 8 ↑ ↓ DISPLAY CONTRAST: To change this display contrast, press and hold down either the the contrast will vary and may be selected for optimum viewing. The contrast and the viewing angle is changed and it may be desirable to alter the contrast from time to time as your reading position alters. selects channel A to the display Selects channel B to the display Displays the difference between probe A and probe B...
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Page 9: Sensor Configuration
SENSOR CONFIGURATION The 3002 thermometers offer real flexibility, with 3 standard Pt100 linearisations plus a user option. These options may be selected as follows. Press key SENS and menu will display the options: IEC751: Linearises in accordance with IEC751 tables with Ro=100ohm & Ra=3850 US/JIS: Linearises in accordance with US and JIS tables Ro=100ohm &... - Page 10 WARNING: STATS will only be calculated and displayed from values held in the log, and will only be displayed when the stored log values are all for the same channel. If different channel readings have been stored the STATS is invalid . It is also important to be aware that changing the probe characteristics settings during logging will invalidate any STATS displayed.
- Page 11 A0 Pt100 EN60741 R0 = 100.000 a = 3851 4wre °C 100.000 ------------------------------------------------------------------------------- Scanning list edit: SL1 < > Quit The channels available to add to the scanning list are designated A0 and B0 (A0…A4 , B0…B4 if the extended scanner option is fitted). The Flashing channel may be added with Add key or deleted with the Del key moving between the channels with the <...
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Page 12: Data Logging Setup
A0 Pt100 EN60741 R0 = 100.000 a = 3851 4wre °C 100.000 Input =138.500 Ohm Busy 0/10 The display will first show the count down timer once the start time is reach the display will indicate run and the number of scans will be display. Once the set number of scans has completed the display will return to the Hold position until triggered again. - Page 13 ZERO This key zeros the displayed value and "Zero" appears in the bottom left hand corner of the display. NOTE: The Zero offset will be cancelled if the measuring channel is changed, if the calibration menu is entered, or if the sensor configuration is changed. TRIG The TRIG key operates in two modes.
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Page 14: Rtd Inputs
There are 2 LEMO sockets for the Pt100 inputs and the connections are as fig 1. For the best performance we recommend 4 wire sensors, but the 3000 series thermometers are able to measure with 2, 3, and 4 wire sensors. The sensors may be plugged into either channel A or B. The connection plug for the PRT sensors is LEMO type FGG.1B.306.CLAD52... -
Page 15: Thermocouple Inputs
Probe Connection THERMOCOUPLE INPUTS When measuring thermocouples (Models 3000 & 3001) care should be taken to achieve the best results. The inputs are via 4mm sockets and a range of thermocouple plugs are available for connection. The input sockets are copper and behind the front panel to avoid the external effects of draughts. -
Page 16: Rtd Calibration
The 3000 series of precision thermometers has been designed to give long service and permanence of calibration together with a low cost of ownership. Attention to detail in the design stage has produced an instrument that is quick and simple to recalibrate with the minimum of equipment . Prior to... -
Page 17: Equipment Needed
ENVIRONMENT We expect the 3000 series thermometers to give long and trouble free service but, as with everything, there will come a time when you wish to replace it . CROPICO will continue to develop new instruments and to update the design of existing models , and therefore will be able to offer an instrument suitable for your needs. - Page 18 Additional Products From Cropico DIGITAL OHMMETERS RESISTANCE BRIDGES RESISTANCE DECADE BOXES RESISTANCE STANDARDS DIGITAL THERMOMETERS THERMOCOUPLE SIMULATORS THERMOCOUPLE REFERENCE JUNCTIONS THERMOCOUPLE SELECTOR SWITCHES PT100 SIMULATORS PRECISION WATTMETERS INSULATION TEST SETS UNIVERSAL CALIBRATORS POWER ANALYSERS HIPOT TESTERS ELECTRICAL SAFETY TESTERS Phone, fax or e-mail for further information on the above or for a copy of our...
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