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Fluke 1504 Tweener 1-Channel Thermometer (RS-232/IEE-488)
The Fluke 1504-256 Tweener 1-Channel Thermometer for Thermistors can be used to read thermistors of various designs. It functions by converting resistance measurements into temperature readings, utilising its integrated algorithms to perform this task.
Via the front panel the user is able to select whether he/she wishes to view the temperature measurements in °C, °F or K. Alternatively, he/she may choose to view the resistance measurement in Ω.
The front panel also facilitates the user’s ability to program the thermistors constants and coefficients in order to improve the linearity and accuracy of the instrument. He/she may also calibrate the Fluke 1504-256 Tweener 1-Channel Thermometer via the front panel, saving the user time and money. Additionally, this thermometer is supplied with a calibration report.
The Fluke 1504-256 Tweener 1-Channel Thermometer is able to match the temperature range of any connected thermistor and has an accuracy of ±0.002°C to ±0.020°C depending on the temperature. In addition to this, the Fluke 1504-256 Tweener 1-Channel Thermometer has a resolution of 0.0001°C.
This instrument is available in two models which differ only in regards to their interfaces. As standard, the Fluke 1504-256 Tweener 1-Channel Thermometer is supplied with an RS-232 interface which facilitates its ability to conduct automatic temperature data collection, calibrations and process control functions. However, a version of this instrument with an IEE-48 interface is also available; please see the table below for further details.
| Product Code | Product Name | Interface Type |
| 1504-256 | Fluke 1504-256 Tweener 1-Channel Thermometer for Thermistors - Standard RS-232 Interface | RS-232 |
| 1504-2506-256 | Fluke 1504-2506- 256 Tweener 1-Channel Thermometer for Thermistors - IEE-488 Interface | IEE-488 |
These interfaces facilitate the Fluke 1504-256 Tweener 1-Channel Thermometer’s ability to be used with Fluke’s 9934 LogWare Software (NOT included). This software allows the user to collect data in real-time, as well as analyse it graphically and/or statistically. Alternatively, the operator may use the Fluke 1504-256 Tweener 1-Channel Thermometer with Fluke’s MET / TEMP II Software (NOT included), allowing it to serve as reference thermometer.
Finally, in terms of its practicality, this compact, portable instrument can be used with Fluke’s 9320A Battery Pack in order to provide it with up to 36 hours of power between charges. This increases its scope-for-use, allowing it to remain operational in locations without a power source.
The Fluke 1504-256 Tweener 1-Channel Thermometer for Thermistors is an adaptable, accurate, comprehensive temperature calibrator.
Fluke 1504-256 Tweener 1-Channel Thermometer for Thermistors Key Features
- Can be used to read thermistors of various descriptions
- Converts resistance measurements into temperature measurements using integrated algorithms
- Can view temperature readings in °C, °F or K
- Can be set to display the resistance readings in Ω
- Enter constants and coefficients via the front panel in order to improve linearity and accuracy
- Calibrate the thermometer via the front panel
- Supplied with a calibration report
- Matches the temperature range of the connected thermistor
- Accuracy: ±0.002°C to ±0.020°C
- Resolution: 0.0001°C
- Available in two models which differ in regards to their interfaces
- The standard model is equipped with an RS-232 interface
- An optional IEE-48 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)
- Compact, portable design
- Use with the OPTIONAL Fluke 9320A Battery Pack to provide the thermometer with 36 hours of power between charges
- Adaptable, accurate and comprehensive temperature calibrator
What’s Included?
- Your Choice of Fluke 1504-256 Tweener 1-Channel Thermometer for Thermistors
Fluke 1504-256 Tweener 1-Channel Thermometer for Thermistors Technical Specifications
The Fluke 1504-256 Tweener 1-Channel Thermometer for Thermistors 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 1504 |
|---|---|
| Manufacturer Part Code | 1648975 |
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.
