Product overview: Fluke Calibration 1502A/1504 Thermometer Readout Precision thermometer readouts for laboratory and field use 1502A Tweener PRT Readout The Fluke Calibration 1502A Tweener offers precision temperature measurement with: Accuracy up to ±0.006 °C Resolution of 0.001 °C across the entire range Compatibility with 100-ohm, 25-ohm, and 10-ohm RTD probes Smallest unit in its class , ideal for field or bench use Advanced Features Programmable to match a probe’s constants for maximum linearity and accuracy Displays temperature in °C, °F, K, or resistance in ohms Reads standard industrial IEC-751 / “385 ALPHA” RTDs with no programming required Accepts ITS-90 subranges 4 and 6–11 , with formulas built into firmware Calibration is done digitally via front-panel— no need to open the device Comes with RS-232 interface; optional IEEE-488 interface available 1504 Tweener Thermistor Readout Need higher precision in a narrower temperature range? The Model 1504 Tweener offers: Accuracy up to ±0.002 °C Resolution of 0.0001 °C Designed specifically for thermistors —more robust, shock-resistant sensors with faster response times Ideal for applications requiring high sensitivity and reliability in limited temperature spans Software Compatibility Enhance your workflow with Fluke software tools: 9934 LogWare: Real-time data acquisition, graphing, and analysis MET/TEMP II: Use Tweeners as reference thermometers for automated calibrations