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MULTI CHANNEL PRT THERMOMETER F250

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Listing Details

Model
F250
Telephone
021-72791867
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Description

ASL’s F250 provides you with high accuracy, dual channel temperature measurement for Platinum Resistance Thermometers (PRT) and exploits the inherent advantages of AC bridge technology to maintain repeatable measurements of the highest precision. Front panel data entry allows you to enter probe calibration data, so that the thermometer resistance can accurately be converted to temperature in °C, °F or K. A comprehensive range of features and multichannel capabilities make the F250 ideal for a wide range of simple or specialist applications. You can use it as a single probe laboratory instrument, a portable site standard or as a permanently wired multi-channel scanning system, especially when used in conjunction with the data acquisition software. traceable system calibration, with both F250 and probes together, is offered by ASL as an option to provide you with an overall system uncertainty as low as ±0.01°C.



Overview

Range : -200°C to +962°C, depending on PRT used.
Accuracy : ±0.005°C (±5mK) at 0°C, otherwise ±0.01°C (±10mK)
Resolution : Low resolution: 0.01°C , 0.01°F, 0.01K, 0.01W (display) or 0.001W (via interface) High resolution: 0.001°C, 0.001°F, 0.001K, 0.001W (display) or 0.0001W (via interface).
Repeatability : ±2 least significant digits (±0.002°C), included in accuracy.
Stability : Long term: typically 0.002W per year (0.005°C for Pt100).
Temperature co-efficient; ±0.0005°C/°C ambient change. Operating ambient: 15°C to 25°C for best accuracy. 0°C to50°C maximum, non-condensing
Data entry format : ITS90 coefficients, Callendar van Dusen coefficients, Callender van Dusen data pairs or EN60751 for un-calibrated probes
Probe current : 1 mA constant current source.
Probe types : Pt100 to EN60751 with nominal R0=100 and “Alpha”=0.00385, plus10 and 25W high alpha probes up to 0.00392.
Cable length : Typically 2 metres standard, up to 30 metres permissible.
Dimensions : 260mm (W) x 80mm (H) x 240mm (D).
Weight : 2.6kg (5.7 lbs).
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