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1502A1504 Thermometer Readouts

1502A1504 Thermometer Readouts

Best performance thermometers in their price range Two Tweeners to choose from—reading PRTs or thermistors Battery packs available ...
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FLUKE福禄克

 

Best performance thermometers in their price range

Two Tweeners to choose fromreading PRTs or thermistors

Battery packs available

Best price/performance package

One of Fluke Calibration's best-selling products is the Tweener thermometer, and theres a reason. No other company, not one, has a reference thermometer that comes close to the performance and features of the Tweener for anywhere near its price

 

 

 

1502A Tweener PRT Readout

The 1502A Hart Scientific Tweener features accuracy up to ±0.006 °C (the 1504 is even more accurate, up to ±0.002 °C). In addition, it reads 100-ohm, 25-ohm, and 10-ohm probes, has a resolution of 0.001 °C across its entire range, and is the smallest unit in its class. It also has an optional battery pack for completely portable operation.

Each Tweener is programmable to match a probes constants for maximum linearity and accuracy. All probe constants and coefficients are programmed through simple, front-panel keystrokes. Temperature is displayed in °C, °F, K, or resistance in ohms.

 

The 1502A accurately measures the resistance of the probe and then converts the resistance to a temperature value using its built-in algorithms.

 

For convenience, the 1502A reads the common industrial grade IEC-751 or 385 ALPHA RTD without any programming. Enter the actual R0 and ALPHA of the individual probe for increased accuracy. For maximum accuracy, use the ITS-90 formulas. The Tweener accepts the subranges 4 and 6 through 11.

 

ITS-90 formulas reside in the Tweeners firmware. If your probe has been calibrated for any of the above subranges of the ITS-90, you simply enter the coefficients directly into your Tweener.

 

Each thermometer comes complete with an RS-232 interface for automation of temperature data collection, calibrations, or process control functions. An IEEE-488 interface is available as an option.

 

The 1502A is calibrated digitally using the front-panel buttons. You never have to open the box to calibrate it. This calibration protocol further reduces the cost of the 1502A. It goes where you go and works the way you want it to.

 

1504 Tweener Thermistor Readout

If you need more accuracy in a limited temperature range, the Model 1504 Tweener gives it to you as a thermistor readout. Thermistors are less fragile than PRTs and less likely to be impacted by mechanical shock. Thermistors are more sensitive to temperature, have faster response times, and come in many shapes for different applications.

Typical accuracy of a 1504 is ±0.002 °C with a resolution of 0.0001 °C.

 

Software

With our 9934 LogWare, both Tweener models may be used for real-time data acquisition. Collect data and analyze it graphically or statistically. Additionally, Tweeners may be used as reference thermometers with our MET/TEMP II software.

Battery pack

Want to take your Tweener on the road? Order Fluke Calibration's 9320A Battery Pack. Our battery gives you 36 hours between charges, allowing you to take your work wherever you need.

Calibration choices

Each Tweener and its accompanying probe (sold separately) have their own individual calibration reports. Overall system error can be calculated from the individual errors, rendering the added cost of system data unnecessary. However, for those requiring it, system data is available at two or more temperatures of your choice. (See Calibration Model 1929-X )  

Specifications 1502A 1504

Temperature Range† −200 °C to 962 °C (328 °F to 1764 °F) Any thermistor range

Resistance Range 0W to 400W, auto-ranging 0W to 1 MW, auto-ranging

Probe Nominal RTPW: 10W to 100W

RTD, PRT, or SPRT Thermistors

Characterizations ITS-90 subranges 4, 6, 7, 8, 9, 10, and 11

IPTS-68: R0, a, d, a4, and c4

Callendar-Van Dusen: R0, a, d, and b Steinhart-Hart thermistor polynomial

Callendar-Van Dusen: R0, a, d, and b  

Resistance Accuracy

(ppm of reading) 0W to 20W: 0.0005W

20W to 400W: 25 ppm 0W to 5 KW: 0.5W

5 KW to 200 KW: 100 ppm

200 KW to 1 MW: 300 ppm

Temperature Accuracy† ±0.004 °C at 100 °C

±0.006 °C at 0 °C

±0.009 °C at 100 °C

±0.012 °C at 200 °C

±0.018 °C at 400 °C

±0.024 °C at 600 °C ±0.002 °C at 0 °C

±0.002 °C at 25 °C

±0.004 °C at 50 °C

±0.010 °C at 75 °C

±0.020 °C at 100 °C

(Using 10 KW thermistor sensor, a=0.04. Does not include probe uncertainty or characterization errors.)

Operating Temperature Range 16 °C to 30 °C 13 °C to 33 °C

Resistance Resolution 0W to 20W: 0.0001W

20W to 400W: 0.001W 0W to 10 KW: 0.01W

10 KW to 100 KW: 0.1W

100 KW to 1 MW: 1W

Temperature Resolution 0.001 °C 0.0001 °C

Excitation Current 0.5 and 1 mA, user selectable, 2 Hz 2 and 10 mA, automatically selected

Measurement Period 1 second

Digital Filter Exponential, 0 to 60 seconds time constant (user selectable)

Probe Connection 4-wire with shield, 5-pin DIN connector

Communications RS-232 serial standard

IEEE-488 (GPIB) optional

Display 8-digit, 7-segment, yellow-green LED; 0.5-inch-high characters

Power 115 VAC (±10 %), 50/60 Hz, 1 A, nominal

230 VAC (±10 %), 50/60 Hz, 1 A, nominal, specify  

Size (HxWxD) 61 x 143 x 181mm (2.4 x 5.6 x 7.1 in)

Weight 1.0 kg (2.2 lb.)

Probes from Hart 5615, 5627, 5626, 5628, 5622 5640-44, 5610-65

Calibration ISO 17025-accredited calibration provided

Temperature ranges and accuracy may be limited by the sensor you use.

 

机套和挂件

9301 Carrying Case, fits Tweener and 12 in probe  

 

电池,充电器和适配器

9320A External Battery Pack (powers 115 V ac or 12 V dc products only)

 

电缆和硬件

2508 Serial Cable Kit

 

连接器

2505 Spare Connector  

 

选件

2506 IEEE Option  

1930 System Cal Report, PRT

1935 System Cal Report, Thermistors

 

 

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