The AST EL50 is a precision temperature measuring device utilizing a thermopile photodetector type. It features an adjustable analog temperature range spanning from -20°C to 800°C and a spectral range of 8 to 14 µm. This unit offers a distance to spot size ratio of 2:1, with an optional 15:1 ratio that must be specified upon ordering. Emissivity is adjustable between 0.1 and 1.2, and the response time is adjustable from 20 milliseconds up to 10 seconds. Accuracy is rated at ± 1% of the measured value or 3°C, whichever is greater, provided the sensor head remains at a constant ambient temperature for at least 15 minutes. Repeatability is 0.3% of reading in °C + 1°C. For integration, the EL50 includes user-selectable analog outputs of 0-20mA, 4-20mA, 0-10V, or Thermocouple Type "K" or "J", alongside a USB 2.0 digital output and an optional RS-232/RS-485 interface card. Measuring 112.5mm x 82.5mm x 33mm and weighing 600g, this compact instrument is built for demanding industrial temperature monitoring tasks.
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| Manufacturer | AST |
|---|---|
| Country | |
| Part number | EL50 |
| Inner Code | 5275817 |
| Custom Code | 90251900 |
| Product type | Temperature Sensor Instrument |
|---|---|
| Temperature Range | -20°C - 800°C |
| Spectral Range | 8-14 µm |
| Photodetector Type | Thermopile |
| Distance to Spot Size Ratio | 2:1 or 15:1 |
| Emissivity | 0.1-1.2 adjustable |
| Response Time | 20 msec adjustable upto 10 sec |
| Accuracy | ± 1% of the measured value or 3°C |
| Repeatability | 0.3% of reading in °C + 1°C |
| Analog Output | 0-20mA, 4-20mA, 0-10V, Thermocouple Type "K" or "J" |
| Digital Output | USB 2.0, RS-232/RS-485 interface card (Optional) |
| Weight | 600g |
| Dimensions | 112.5mm x 82.5mm x 33mm |