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Fluke 1502A Tweener 1-Channel Thermometer (RS-232/IEE-488)
The Fluke 1502A- 256 Tweener 1-Channel Thermometer for PRTs can be used to read PRTs (Platinum Resistance Thermometers), including 100Ω, 25Ω and 10Ω probes.
It has a temperature range of -200°C to 962°C with an accuracy that ranges from ±0.004°C to ±0.024°C depending on the temperature. The Fluke 1502A- 256 Tweener 1-Channel Thermometer also has a resolution of 0.001°C across its entire range.
In order to maintain the linearity and accuracy of this thermometer, it has been equipped with a front panel which allows the user to enter the constants and coefficients of the probe-under-investigation. Via this front panel the user is also able to choose between the measurement units °C, °F and K, or may select to view the resistance measurement in Ω.
The user is also able to calibrate the Fluke 1502A- 256 Tweener 1-Channel Thermometer using the buttons located on the instrument’s front panel. Additionally, the Fluke 1502A- 256 Tweener 1-Channel Thermometer is supplied with a calibration report.
In terms of its functionality, the Fluke 1502A-256 Tweener 1-Channel Thermometer determines the temperature of the PRT through converting the measured resistance into a temperature reading using its integrated algorithms.
This instrument is capable of reading IEC-751 and “385” ALPHA RTDs without requiring the user to program the thermometer. However, in order to improve accuracy, it is possible to enter the R0 and ALPHA information for the probe-under-investigation.
Further to this, the Fluke 1502A- 256 Tweener 1-Channel Thermometer includes integrated ITS-90 formulas and can accept PRTs with the subranges 4 and 6 to 11. In order to utilise these programmed ITS-90 formulas, the user needs only enter the relevant coefficients into the Fluke 1502A- 256 Tweener 1-Channel Thermometer via the front panel.
The Fluke 1502A- 256 Tweener 1-Channel Thermometer is available in two models, which vary only in regards to their interfaces. As standard the Fluke 1502A- 256 Tweener 1-Channel Thermometer comes with an RS-232 interface which facilitates the user’s ability to conduct automated temperature data collection, calibrations and process control functions. However; it is possible to order this model with an IEE-488 interface. For further information, please see the following table.
| Product Code | Product Name | Interface Type |
| 1502A-256 | Fluke 1502A- 256 Tweener 1-Channel Thermometer for PRTs - Standard RS-232 Interface | RS-232 |
| 1502A-2506-256 | Fluke 1502A-2506- 256 Tweener 1-Channel Thermometer for PRTs - IEE-488 Interface | IEE-488 |
It is also possible to use these models in conjunction with Fluke’s 9934 LogWare Software (NOT included) in order to perform real-time data acquisition, as well as analyse collected data graphically and/or statistically. Alternatively, the Fluke 1502A- 256 Tweener 1-Channel Thermometer can be used with Fluke’s MET / TEMP II Software (NOT included), allowing it to serve as a reference thermometer.
Finally, this compact instrument can be powered using Fluke’s 9320A Battery Pack (NOT included) in order to provide the user with up to 36 hours of functionality between charges. This expands the Fluke 1502A- 256 Tweener 1-Channel Thermometer’s scope-for-use, allowing it to remain operational in areas without a power supply.
The Fluke 1502A- 256 Tweener 1-Channel Thermometer for PRTs is an easy-to-use, adaptable and accurate temperature calibration instrument.
Fluke 1502A- 256 Tweener 1-Channel Thermometer for PRTs Key Features
- Can be used to read platinum resistance thermometers (PRTs)
- Can read 100Ω, 25Ω and 10Ω probes
- Temperature range: -200°C to 962°C
- Accuracy: ±0.004°C to ±0.024°C, depending on the temperature
- Resolution: 0.001°C
- Front panel allows the user to enter the coefficients and constants of the probe-under-investigation, thereby improving linearity and accuracy
- Choose to view temperature measurements in °C, °F or K
- Option to view resistance measurements in Ω
- Calibrate the instrument via the front panel
- Supplied with a calibration report
- Integrated algorithms convert resistance measurements into temperature readings
- Capable of reading IEC-751 and “385” ALPHA RTDs probes without programming the thermometer
- R0 and ALPHA information can be entered via the front panel
- Includes ITS-90 formulas
- Can accept PRTs with the subranges 4 and 6 to 11
- Enter relevant coefficients via the front panel in order to access the programmed ITS-90 formulas
- Available in two models
- The standard model is equipped with an RS-232 interface
- The RS-232 interface can be used to conduct automated data collection, calibrations and process control functions
- An optional IEE-488 interface is available
- Can be used with Fluke’s 9934 LogWare Software (NOT included)
- Can be used with Fluke’s MET/ TEMP II Software (NOT included)
- OPTIONAL Fluke 9320A Battery Pack can be used to provide the instrument with up to 36 hours of power between charges
- Easy-to-use, adaptable and accurate temperature calibration instrument
What’s Included?
- Your Choice of Fluke 1502A- 256 Tweener 1-Channel Thermometer for PRTs
Fluke 1502A- 256 Tweener 1-Channel Thermometer for PRTs Technical Specifications
The Fluke 1502A- 256 Tweener 1-Channel Thermometer for PRTs is part of Fluke's series of 150X Tweener 1-Channel Thermometers; please find the technical specifications for all the models included in this series.
| Specifications | 1502A | 1504 |
| Temperature Range† | −200 °C to 962 °C (−328 °F to 1764 °F) | Any thermistor range |
| Resistance Range | 0 Ω to 400 Ω, auto-ranging | 0 Ω to 1 MΩ, auto-ranging |
| Probe | Nominal RTPW: 10 Ω to 100 Ω RTD, PRT, or SPRT |
Thermistors |
| Characterizations | ITS-90 subranges 4, 6, 7, 8, 9, 10, and 11 IPTS-68: R0, a, d, a4, and c4 Callendar-Van Dusen: R0, a, d, and b |
Steinhart-Hart thermistor polynomial Callendar-Van Dusen: R0, a, d, and b |
| Resistance Accuracy (ppm of reading) |
0 Ω to 20 Ω: 0.0005 Ω 20 Ω to 400 Ω: 25 ppm |
0 Ω to 5 KΩ: 0.5 Ω 5 KΩ to 200 KΩ: 100 ppm 200 KΩ to 1 MΩ: 300 ppm |
| Temperature Accuracy† | ±0.004 °C at −100 °C | ±0.002 °C at 0 °C |
| ±0.006 °C at 0 °C | ±0.002 °C at 25 °C | |
| ±0.009 °C at 100 °C | ±0.004 °C at 50 °C | |
| ±0.012 °C at 200 °C | ±0.010 °C at 75 °C | |
| ±0.018 °C at 400 °C | ±0.020 °C at 100 °C | |
| ±0.024 °C at 600 °C | (Using 10 KΩ thermistor sensor, a=0.04. Does not include probe uncertainty or characterization errors.) | |
| Operating Temperature Range | 16 °C to 30 °C | 13 °C to 33 °C |
| Resistance Resolution | 0 Ω to 20 Ω: 0.0001 Ω 20 Ω to 400 Ω: 0.001 Ω |
0 Ω to 10 KΩ: 0.01 Ω 10 KΩ to 100 KΩ: 0.1 Ω 100 KΩ to 1 MΩ: 1 Ω |
| Temperature Resolution | 0.001 °C | 0.0001 °C |
| Excitation Current | 0.5 and 1 mA, user selectable, 2 Hz | 2 and 10 µA, automatically selected |
| Measurement Period | 1 second | |
| Digital Filter | Exponential, 0 to 60 seconds time constant (user selectable) | |
| Probe Connection | 4-wire with shield, 5-pin DIN connector | |
| Communications | RS-232 serial standard | |
| IEEE-488 (GPIB) optional | ||
| Display | 8-digit, 7-segment, yellow-green LED; 0.5-inch-high characters | |
| Power | 115 VAC (±10 %), 50/60 Hz, 1 A, nominal 230 VAC (±10 %), 50/60 Hz, 1 A, nominal, specify |
|
| Size (HxWxD) | 61 x 143 x 181mm (2.4 x 5.6 x 7.1 in) | |
| Weight | 1.0 kg (2.2 lb.) | |
| Probes from Fluke Calibration | 5615, 5627, 5626, 5628, 5622 | 5640-44, 5610-65 |
| Calibration | ISO 17025-accredited calibration provided | |
| †Temperature ranges and accuracy may be limited by the sensor you use. | ||
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Additional Information
| SKU | Fluke 1502A |
|---|---|
| Manufacturer Part Code | 1648930 |
Made to Order item: This item is made-to-order with a lead time once the order is placed. Once an order is placed it cannot be cancelled or returned unless the unit is found to be faulty.
