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Fluke 1523-256 1-Channel Handheld Thermometer

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1523-256
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£2,245.20 £1,871.00
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Fluke 1523-256 1-Channel Handheld Thermometer
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Only available from authorised Fluke distributors, such as PASS Ltd. Terms and conditions apply.

The Fluke 1523-256 1-Channel Handheld Thermometer can be used to measure thermocouples, thermistors and PRTs (Platinum Reference Thermometers). It has a sample rate of one reading per second, which can be increased to one reading per 0.3 seconds when used in Fast Mode. To facilitate these measurement capabilities, this instrument includes three sensors with the following temperature ranges :

  • PRT sensor: -200°C to 1000°C (±0.011°C)
  • Thermocouple sensor: -200°C to 2315°C (±0.24°C for J, K, L and M)
  • Thermistor sensor: -50°C to 150°C (±0.002°C)

In order to maintain the accuracy of temperature measurements, the Fluke 1523-256 1-Channel Handheld Thermometer utilises a current reversal technique which removes thermal EMFs. It also features precision resistors and a highly stable reference voltage source, which work to maintain the accuracy of the instrument in spite of the surrounding temperature.

Further to this, the Fluke 1523-256 1-Channel Handheld Thermometer has been subject to testing in extremes of temperature and significant vibration, ensuring that it will remain accurate and functional in challenging environments.

Also maintaining the accuracy of this instrument, whilst improving its functionality, is the INFO-CON memory chip which is able to record the calibration information for each probe attached to the Fluke 1523-256 1-Channel Handheld Thermometer. The Fluke 1523-256 will identify which probe has been connected automatically and will subsequently recall the relevant information, allowing for accurate measurements and/or temperature conversion.

It is possible to lock probes to specific channels using a password, allowing the user to maintain system calibration traceability. In addition to this, the Fluke 1523-256 1-Channel Handheld Thermometer can be used with Fluke’s Universal Thermocouple Adapter (NOT included), which includes a precision thermistor and supports reference junction compensation.

The Fluke 1523-256 1-Channel Handheld Thermometer is able to support PRTs/RTDs, thermocouples and thermistors allowing the user to tailor the instrument to the application. Measurements and trend graphs (which are plotted and scaled in real-time) are viewable via the Fluke 1523-256 1-Channel Handheld Thermometer’s 128 x 64-pixel, backlit, LCD display. This thermometer includes a function button allowing the user to change the resolution of the graph as necessary, allowing him/her to determine temperature stability quickly and without statistics, as well as monitor processes over time. 

The Fluke 1523-256 1-Channel Handheld Thermometer is able to save up to 25 readings with statistics; this information is viewable via the display or may be uploaded to a PC using the RS-232 interface and the included Fluke 9940 Toolkit Software. This software can be used to log and organise data as well as alter and create probe configurations. The operator may also utilise this software to send commands directly to the Fluke 1523-256 1-Channel Handheld Thermometer.

As well as its extensive measurement capabilities, accuracy and adaptability, the Fluke 1523-256 1-Channel Handheld Thermometer has also been optimised for long periods of use. To this end, it includes power-saving settings and can be used with the included DC power adapter to extend periods of operation. When powered by three AA batteries, this instrument can offer the user up to 20 hours of functionality.

All these features make the Fluke 1523-256 1-Channel Handheld Thermometer suitable for applications such as:

  • Calibration
  • Loop checking
  • Plant start-up
  • Troubleshooting
  • Maintenance
  • Repair

This instrument may also function as a temperature reference for use with bath calibrators, dry-block calibrators, thermowells, clean rooms, engines, heat exchangers, furnaces and freezers.

The Fluke 1523-256 1-Channel Handheld Thermometer is a versatile, adaptable, practical and precise temperature measurement tool.

Fluke 1523-256 1-Channel Handheld Thermometer Key Features

  • Measure thermocouples, thermistors and PRTS
  • PRT sensor: -200°C to 1000°C (±0.011°C)
  • Thermocouple sensor: -200°C to 2315°C (±0.24°C for J, K, L and M)
  • Thermistor sensor: -50°C to 150°C (±0.002°C)
  • Utilises a current reversal technique which removes EMFs
  • Includes precision resistors
  • Includes a highly stable reference voltage source
  • Maintains accuracy in spite of the surrounding temperature
  • Has been tested in extremes of temperature and vibration
  • INFO-CON memory chip records the calibration information for each attached probe
  • The probe is automatically identified by the thermometer and the relevant information is recalled
  • Recall of this information ensures accurate measurements and/or temperature conversion
  • Lock probes to a specific channel using a password
  • Can be used with Fluke’s Universal Thermocouple Adapter (NOT included)
  • Supports PRTs/ RTDs, thermocouples and thermistors
  • Scales and plots graphs in real-time
  • Measurements and graphs are viewable on the display
  • 128 x 64-pixel, backlit, LCD display
  • Function button for changing the resolution of the graph
  • Easily and quickly determine the temperature stability without the use of statistics
  • Save up to 25 readings and statistics to the internal memory
  • Information can be viewed via the display
  • Information may be transferred to the user’s PC via the RS-232 interface and the included Fluke 9940 Toolkit Software
  • The software can be used to log and organise data, configure probes and send commands to the instrument
  • Can be used with Fluke’s LogWare II Software (NOT included) to monitor and log more data over time
  • Power-saving settings
  • Can be used with a DC power adapter to extend periods of operation
  • Three AA batteries supply the thermometer with up to 20 hours of power
  • Suitable for calibration, loop checking, plant start-up, troubleshooting, maintenance, and repair applications
  • Can serve as a temperature reference
  • Versatile, adaptable, practical and precise temperature measurement tool

What’s Included?

  • Fluke 1523-256 1-Channel Handheld Thermometer
  • NIST-traceable Certificate of Calibration
  • User Guide
  • CD-ROM Containing the Technical Manual
  • 12V Dc Universal Power Supply
  • RS-232 Cable
  • Fluke 9940 I/O Toolkit Software

Fluke 1523-256 1-Channel Handheld Thermometer Technical Specifications 

Please note that the Fluke 1523-256 1-Channel Handheld Thermometer has a sister product, the Fluke 1524-256 2-Channel Handheld Thermometer, please find below the technical specifications for both of these models. 

Specification 1523 1524
Input channels 1 2
Resolution PRTs and thermistors: 0.001° thermocouples: 0.01°
Logging 25 readings with statistics 25 readings with statistics15,000 time and date stamped
Sample interval (normal) 1 second 1 second (simultaneous measurement)
Typical sample interval (fast mode) 0.3 seconds
Sensor types PRTs, RTDs, thermistors, and thermocouples
Thermocouple types C, E, J, K, L, M, N, T, U, B, R, S
Statistics Maximum, minimum, average, standard deviation
Trending Scale: ±10 °C (18 °F), ±1 °C (1.8 °F), ± 0.1°C (0.18 °F), ± 0.01°C (0.018 °F), 10 minutes of real-time data
Power requirements 3 AA alkaline batteries, 12 V dc universal power supply
Size (HxWxD 96 mm x 200 mm x 47 mm (3.75 in x 7.9 in x 1.86 in)
Weight 0.65 kg (1.4 lb)
Computer interface RS-232, 9940 I/O ToolKit software included
Safety EN61010-1:2001, CAN/CSA C22.2 No. 61010.1-04
Environmental conditions for best accuracy: 13 °C to 33 °C (55.4 °F to 91.4 °F)
Millivolt range and accuracy –10 mV to 75 mV, ± (0.005 % + 5 µV)
Internal reference junction compensation ± 0.2 °C (± 0.36 °F)
Resistance range and accuracy

0 Ω to 400 Ω ± (0.004 % + 0.002 Ω)

200 Ω to 50 kΩ ± (0.01 % + 0.5 Ω)

50 kΩ to 500 kΩ ± (0.03 %)

Temperature coefficient, voltage:

–10 °C to 13 °C , +33 °C to 60 °C

(14 °F to 55.4 °F, 91.4 °F to 140 °F)

± (0.001 %/°C + 1 mV/°C)

Temperature coefficient, resistance:

–10 °C to 13 °C ,+33 °C to 60 °C

(14 °F to 55.4 °F, 91.4 °F to 140 °F)

0.0008 %/°C + 0.0004 Ω (0 Ω to 400 Ω)

0.002 %/°C + 0.1 Ω (0 Ω to 50 kΩ)

0.06 %/°C + 0.1 Ω (50 kΩ to 500 kΩ)

Excitation current, resistance 1 mA (0 Ω to 400 Ω) 10 µA (0 Ω to 50 kΩ) 2 µA (50 kΩ to 500 kΩ)
*See technical manual for sample interval details by sensor type and number of inputs.
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Additional Information
SKU 1523-256
Manufacturer Part Code 3376525
Country of Origin United Kingdom

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.

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