FLUKE 1523, 1524 Reference Thermometers

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Description

Fluke 1523, 1524 Reference Thermometers

Make accurate, consistent measurements… anywhere

You need accuracy for compliance, product yields, energy savings, and consistent results. The Fluke 1523 and Fluke 1524 use current reversal, a technique used in high-end instruments that eliminates thermal EMFs, for precision temperature measurements. Specifications are guaranteed from -10 ºC to 60 ºC ambient. Special precision resistors and a highly stable reference voltage source keep 1523/24 accuracy virtually insensitive to environmental temperature.

Like all Fluke handheld tools, the 1523 and 1524 Reference Thermometers endure rigorous testing in temperature extremes and under harsh conditions of vibration, so you can take them anywhere you need to go.

An optional magnetic hanger allows you to hang the thermometer for easy viewing while freeing your hands to focus on the job.

INFO-CON connectors ensure correct temperature conversion

Inside the INFO-CON, a memory chip keeps calibration information for the attached probe. Simply plugging in the probe uploads the information to the readout, ensuring the correct temperature conversion for accurate, hassle-free measurements.

Probes may be locked by password to specific channels and readouts for security or for system calibration traceability. Plug any thermocouple with mini-thermocouple jacks into an optional universal thermocouple adapter for convenient measurement. Each thermocouple adapter or standard connector supports reference junction compensation (RJC) with its own internal precision thermistor.

Monitor trends in the lab or in the field

See trends graphically on the 1523 and 1524 thermometers’ 128×64-backlit LCD display. You can change the graph’s resolution at the touch of a button. Now it’s easy to see when the temperature is stable, without statistics or long delays, or monitor processes over time to verify correct operation.

Document on demand up to 25 readings and associated statistics for easy retrieval. You can view the data through the display or by uploading it to a PC via RS-232 connection and 9940 software, included free. To monitor and log more data over time, use a PC and optional LogWare II software.

RS-232-to-USB adapters are available for those who prefer USB connectors. Battery power lasts at least 20 hours on three AA batteries, or use the dc power adapter for extended periods of measurement. Power saving features can be enabled or disabled for longer battery life or greater convenience.

Two models let you make the best choice for your application

The 1523 Reference Thermometer is a versatile single-channel thermometer that measures, graphs and records three sensor types with one tool. Support for PRTs/RTDs, thermocouples, and thermistors provides flexibility to choose the right probe for the job.

The  1524 Reference Thermometers help you do twice the work in half the time. Two channels and three sensor types and high-speed measurement make you more productive and make model 1524 the one reference thermometer you need to own. It has all the features of the 1523, and it’s a temperature logger too. A real-time clock and memory for 15,000 time and date stamped measurements mean everything you are going to need is in this package. Log up to three times per second, or once every hour or other options in between. Download the temperature logger data to a PC for analysis when you need it.

Applications

Calibration, loop checking, plant startup, troubleshooting, maintenance, and repair are some of the varied duties that need a 1523 or 1524 thermometer. Use it for a handy temperature reference and temperature logger in baths, dry-block calibrators, thermowells, clean rooms, engines, heat exchangers, furnaces, freezers, or anything else that must be calibrated, checked, or maintained.

Highlights

Measure, graph and record three sensor types with one tool

The Fluke 1523 and Fluke 1524 Reference Thermometers from Fluke Calibration measure, graph, and record PRTs, thermocouples, and thermistors. These thermometer readouts deliver exceptional accuracy, wide measurement range, temperature logging, and trending, all in a handheld tool you can take anywhere.

The Fluke 1523 and Fluke 1524 let you handle field applications, laboratory measurements, and data logging with ease. And with the dual channel measurement capabilities of the model Fluke 1524, you can do twice the work in half the time.

Three sensor types

  • PRTs: –200 °C to 1000 °C
  • Thermocouples –200 °C to 2315 °C
  • Precision thermistors: –50 °C to 150 °C

Accuracy

  • PRTs: up to ±0.011 °C
  • Thermocouples : ±0.24 °C for J,K,L,M
  • Precision thermistors: ±0.002 °C

Fast mode

  • PRTs: 0.45 seconds per sample
  • Thermocouples: 0.3 second per sample
  • Precision thermistors: 0.3 seconds per sample

Two models

  • Fluke 1523: Single channel standard model; memory for 25 readings and statistics
  • Fluke 1524: Two channels; memory for logging 15,000 measurements; real-time clock for time and date stamps

Graphical display

  • 128×64 backlit LCD graphic display
  • Plot and scale trends in real time
  • Simultaneous dual channel readings

Specifications

Specifications
Input Channels 1523 : 1
1524 : 2
Logging 1523 : 25 readings with statistics
1524 : 15,000 time and date stamped; 25 readings with statistics
Sample interval
(normal)
1 seconds
Sample interval (fast mode) 0.3 seconds (see technical manual for details)
Sensor Types PRTs, RTDs, Thermistors, and Thermocouples
Thermocouple Types C,E,J,K,L,M,N,T,U,B,R,S
Operating temperature -10 ºC to 60 ºC (Best accuracy 13 ºC to 33 ºC)
Power requirements 3 AA alkaline batteries
Size 96 x 200 x 47 mm
(3.75 x 7.9 x 1.86 inches)
Weight 0.65 kg (1.4 lb)
Environmental conditions for best accuracy 13 °C to 33 °C
Millivolt Range and Accuracy –10 mV to 75 mV ± (0.005 % + 5 μV)
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) ± (0.001 %/°C + 1 μV/°C)
Temperature Coefficient, Resistance ( –10 °C to 13 °C , +33 °C to 60 °C) 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 400Ω)
10 μA (0 Ω to 50 kΩ)
2 µA (50 kΩ to 500 kΩ)
Thermocouple equivalent temperature accuracies (readout only)
Type B ± 0.85 ºC from 600 ºC to 800 ºC
± 0.68 ºC from 800 ºC to 1000 ºC
± 0.57 ºC from 1000 ºC to 1800 ºC
Type C ± 0.32 ºC from 100ºC to 550 ºC
± 0.71 ºC from 550 ºC to 2300 ºC
Type E ± 0.52 ºC from -200 ºC to 0 ºC
± 0.22 ºC from 0 ºC to 950 ºC
Type J ± 0.52 ºC from -200 ºC to 0 ºC
± 0.23 ºC from 0 ºC to 1200 ºC
Type K ± 0.61 ºC from -200 ºC to 0 ºC
± 0.24 ºC from 0 ºC to 1370 ºC
Type L ± 0.36 ºC from -200 ºC to 0 ºC
± 0.23 ºC from 0 ºC to 1370 ºC
Type M ± 0.26 ºC from -20 ºC to 0 ºC
± 0.25 ºC from 0 ºC to 400 ºC
± 0.22 ºC from 400 ºC to 1400 ºC
Type N ± 0.72 ºC from -200 ºC to 0 ºC
± 0.28 ºC from 0 ºC to 1300 ºC
Type R ± 1.09 ºC from -20 ºC to 0 ºC
± 0.97 ºC from 0 ºC to 500 ºC
± 0.49 ºC from 500 ºC to 1750 ºC
Type S ± 1.05 ºC from -20 ºC to 0 ºC
± 0.95 ºC from 0 ºC to 500 ºC
± 0.56 ºC from 500 ºC to 1750 ºC
Type T ± 0.60 ºC from -200 ºC to 0 ºC
± 0.25 ºC from 0 ºC to 400 ºC
Type U ± 0.54 ºC from -200 ºC to 0 ºC
± 0.24 ºC from 0 ºC to 400 ºC
Note 1 : Accuracies are based on internal Reference Junction Compensation. Refer to Technical manual for equivalent accuracies with an external reference junction.
1523 and 1524 accuracies with selected probes (±°C)
-200 °C 5616-12 : 0.014
5615-6 : 0.025
5627A-12 : 0.027
5610-9 : n/a
0 °C 5616-12 : 0.021
5615-6 : 0.021
5627A-12 : 0.049
5610-9 : 0.009
100 °C 5616-12 : 0.027
5615-6 : 0.028
5627A-12 : 0.065
5610-9 : 0.009
300 °C 5616-12 : 0.040
5615-6 : 0.043
5627A-12 : 0.103
5610-9 : n/a
420 °C 5616-12 : 0.050
5615-6 : n/a
5627A-12 : 0.130
5610-9 : n/a
Note 2  : Includes readout accuracy, probe calibration, and probe drift
PRT equivalent temperature accuracy (readout only)
–100 °C ± 0.011
0 °C ± 0.015
100 °C ± 0.019
200 °C ± 0.023
400 °C ± 0.031
600 °C ± 0.039
Thermistor equivalent temperature accuracy (readout only)
0 °C ± 0.002
25 °C ± 0.003
50 °C ± 0.006
75 °C ± 0.014
100 °C ± 0.030

Models and Accessories

Model Name Description
1523 Thermometer Readout, Handheld, 1 Channel, 17025 Accredited Calibration
1524 Thermometer Readout, Handheld, 2 Channel, Data Logger, 17025 Accredited Calibration
1523-P1 1523 Bundled with 5616 PRT (–200 °C to 420 °C, 100 ohm (1/4 x 12 inch)), Universal TC INFO-CON Connector, TPAK, and Case
1523-P2 1523 Bundled with 5628 PRT, Universal TC INFO-CON Connector, TPAK, and Case
1523-P3 1523 Bundled with 5627A PRT, Universal TC INFO-CON Connector, TPAK, and Case
1523-P4 1523 Bundled with 5615 PRT, Universal TC INFO-CON Connector, TPAK, and Case
1524-P1 1524 Bundled, with 5616 PRT, Universal TC INFO-CON Connector, TPAK, and Case
1524-P2 1524 Bundled with 5628 PRT, Universal TC INFO-CON Connector, TPAK, and Case
1524-P3 1524 Bundled with 5627A PRT, Universal TC INFO-CON Connector, TPAK, and Case
1524-P4 1524 Bundled with 5615 PRT, Universal TC INFO-CON Connector, TPAK, and Case

Accessories common to all models  :

Accessory Description
1523-CASE Case, 1523/1524 Readout and Probe Carrying
TPAK ToolPak, Meter Hanging Kit
1929-2 System Verification, PRT with Readout, Accredited.
Choose two temperature points, extra points at additional cost. Available temperature points are –197 °C, -80 °C , –39 °C, 0.01°C, 30 °C, 157 °C, 232 °C, 300 °C, 420 °C, 500 °C, 660 °C.
1929-5 System Verification, Thermistor with Readout, Accredited.
Choose two temperature points; extra points at additional cost. Available temperature points are -30 °C, -20 °C, -10 °C, 0 °C, 10 °C, 20 °C, 30 °C, 40 °C, 50 °C, 60 °C, 70 °C, 80 °C, 90 °C, 100 °C.
1930 System Calibration, PRT with Readout, Accredited.
Choose PRT temperature range for the calibration. Available temperature ranges are –200 °C to 500 °C, –200 °C to 420 °C, –80 °C to 420 °C, –40 °C to 420 °C, –40 °C to 232 °C, 0 °C to 420 °C.
1935 System Calibration, Thermistor with Readout, NVLAP-accredited
Choose thermistor temperature range for the calibration. Available temperature ranges are 100 °C span (6 points over span), 60 °C span (7 points over span), 100 °C span (11 points over span).
5610-9-P Probe, Precision Thermistor, Stainless Steel (1/8″ x 9″), 0
5615-6-P Probe, PRT, 100 ohm (3/16 x 6 inch),
5609-9BND-P Probe, PRT, 25 ohm (1/4 x 12 inch), 90
FLUKE80PK 80PK-1, Probe, Thermocouple, Beaded Type K
2370 Cable, RS-232 (1523, 1524)
2373-LPRT Adapter, Lemo to Mini Grabbers (4-wire)
2373-LTC Adapter, Lemo to Universal TC (TC)
2384-P Smart Connector, PRT (Gray Cap), Spare
2384-T Smart Connector, TC (Blue Cap), Spare
2523-156 Isolator RS-232 Optical 
2523-256 Isolator RS-232 Optical 
Priority Gold Instrument CarePlan Fluke Calibration Priority Gold Instrument CarePlans are available for most calibration products. Please contact your local Fluke Calibration sales representative for details or to request a quote.
Silver CarePlan Fluke Calibration Silver CarePlans are available for most calibration products. Please contact your local Fluke Calibration sales representative for details or to request a quote.

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