PS-3239 wireless melting-point apparatus sensor
The PS-3239 wireless melting-point apparatus sensor has a built-in 3-times-magnification eyepiece for clear observation of melting. Pair it by Bluetooth in SPARKvue, PASCO Capstone™, or Chemvue to graph temperature while monitoring physical changes during melting. Overview: Melting point is important for identifying compounds and assessing purity, and is a focus of many college synthetic-chemistry laboratories. The built-in 3-times-magnification eyepiece lets students observe melting clearly. An optional USB melting-point eyepiece camera, sold separately, records and displays the process live on a larger screen through the software. Playback of time-synchronized images helps identify the melting moment more accurately. Variable heating rates allow rapid sample heating in software, then slower heating near the melting point. A constant-temperature command ensures uniform temperature throughout the material without exceeding the temperature threshold needed for melting. Select timed heating in the software to control heating across the melting range and record melting temperatures precisely. A cooling fan then rapidly returns the heating block to room temperature. Additional commands control the SE-6215 eyepiece camera, starting or stopping image acquisition at a specified rate near the melting point. Capstone playback helps accurately determine the initial and final melting temperatures; in SPARKvue and Chemvue, image timestamps allow quick lookup of the corresponding melting temperature on an associated graph.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Temperature-Measurement Range | 0 - 380°C |
| Temperature-Resolution | 0.01°C |
| Temperature-Accuracy [In the out-of-box condition] | ±1.0°C out of the box |
| Temperature-Accuracy [After calibration] | ±0.1°C after calibration |
| Temperature - Maximum sampling rate | 1 Hz |
| Viewing lens | 3× magnification |
| Connection Method [For transmitting temperature data] | Bluetooth 5.2 (for temperature data transmission) |
| Camera connection (separate purchase required) [Separate purchase required] | USB interface |
| Camera capture rate (if purchased) [If already purchased] | 5 seconds/sheet |
| Data Logging Function | None |
| Battery | None |
Key Features
Datasheet
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