Hart Scientific
1529 Chub-E4 Standards Thermometer

Model #1529

Four channels for PRTs, thermistors, and thermocouples
Displays eight user selected data fields from any channel
Logs up to 8,000 readings with date and time stamps
Battery provides eight hours of continuous operation

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Hart's 1529 Chub-E4 Thermometer gives you four channels, three major sensor types, lab-quality accuracy, and a ton of great features, all at a price you'll love.

Inputs
The Chub-E4 has four inputs for reading four different sensors simultaneously, and we'll configure those inputs in any of three different ways according to your preference. Choose four channels of thermocouple inputs, four channels of PRT/thermistor inputs, or two channels of each. With this thermometer, reading thermocouples, PRTs, and thermistors accurately from the same device is no problem.

100-ohm, 25-ohm, or 10-ohm PRTs and RTDs are read using ITS-90, IEC-751 (DIN), or Callendar-Van Dusen conversion methods. Typical accuracies include ±0.004°C at –100°C and ±0.009°C at 100°C. Thermistor readings are converted using the Steinhart-Hart polynomial or standard YSI-400 curve and are as accurate as ±0.0025°C at 25°C with resolution of 0.0001°.

Thermocouple inputs read all the common thermocouple types, including B, E, J, K, N, R, S, T, and Au-Pt, and allow you to choose between internal and external reference junction compensation. Typical accuracy for a type J thermocouple at 600°C is ±0.35 °C using internal reference junction compensation and not including the thermocouple.

PRTs and thermistors connect easily to the 1529 using Hart's patented mini DWF connectors, which accept bare wire, spade lug, or mini banana plug terminations. Thermocouples connect using standard or miniature terminations. Measurements are taken each second and can be taken simultaneously or sequentially. A special high-speed mode allows measurements on one channel to be taken at the rate of 10 per second.

Display
If you think three sensor types and four inputs sounds versatile, wait until you see the display panel on the Chub-E4. Displaying measurements in °C, °F, K, ohms, or millivolts and choosing temperature resolution from 0.01 to 0.0001 are just the beginning.

You can also select any eight items from our long list of displayable data fields to view on-screen. Choose statistical functions such as averages, standard deviations, and spreads; choose probe information such as probe type and serial number; choose T1–T2 functions using inputs from any two channels; or choose utility functions such as the date, time, and battery power level. You can even save up to 10 screen configurations for easy recall.

The push of a single front-panel button also brings up a simple menu system to easily guide you through all the internal setup and memory options of the 1529. Probe coefficients, sample intervals, communication settings, password settings, and a host of other functions are all easily accessible.

Communications
The memory and communications capabilities of the Chub-E4 make it perfect for benchtop thermometry, on-site measurements, lab calibration work, and remote data logging. Optional software packages from Hart make this one of the most powerful thermometers on the market.

With battery power and memory to store up to 8,000 measurements (including date and time stamps) at user-selected intervals, the 1529 has plenty of data logging capability. Store 100 individual measurements or any number of automatic log sessions (up to 8,000 readings), each tagged with an identifying session label. Fourteen different logging intervals may be selected, from 0.1 second to 60 minutes.

With Hart's 9935 LogWare II data may be quickly downloaded to your PC for complete graphical and statistical analysis. Separate log sessions may even be automatically downloaded to separate files based on session labels. With this software, the 1529 can even be used for real-time data logging. Log four channels at once directly to your PC with virtually no limit to the number of data points you take. You can analyze data, set alarm events, and even set delayed start and stop times.

More great features
The 1529 runs on AC power from 100 to 240 volts, DC power from 12 to 16 volts, or off its internal nickel-metal-hydride battery for eight hours between charging. The standard battery charges in less than three hours and lasts through 500 charge/recharge cycles.

If you want to rack-mount your Chub-E4, we've even got a rack-mount kit for you. This unit fits on your benchtop, in your instrument rack, and even in your hand.

The 1529 is the most versatile thermometer we've found. We use one in our lab and we love it. No one else gives you a comparable combination of accuracy, versatility, productivity-enhancing features, and price. Get a Chub-E4 and just enjoy everything it'll do for you. You'll love it.

  PRT / RTD  Thermistor  Thermocouple
Inputs:
2 channels PRT/thermistor and 2 channels TC, or 4 channels PRT/thermistor, or 4 channels TC, specify when ordering;
PRT/thermistor channels accept 2, 3, or 4 wires; TC inputs accept B, E, J, K, N, R, S, T, and Au-Pt TC types. (Support for C and U type thermocouples is available. Download the application note Using Hart Readouts with Tungsten-Rhenium and other Thermocouples from www.hartscientific.com.)
Temperature Range: –189°C to 960 °C –50°C to 150°C –270°C to 1800°C
Measurement Range:
0 to 400 Ω
0 to 500 KΩ
–10 to 100 mV
Characterizations:
ITS-90, IEC-751 (DIN “385”), Callendar-Van Dusen
 Steinhart-Hart, YSI-400 
NIST Monograph 175, 3-point deviation function applied to NIST 175, 6th-order polynomial 
Temperature Accuracy (meter only): ±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
±0.0025°C at 0°C
±0.0025°C at 25°C
±0.004°C at 50°C
±0.010°C at 75°C
±0.025°C at 100°C 
Ext. RJC / Int. RJC 
B at 1000°C
±0.6°C / ±0.6°C;
E at 600°C
±0.07°C / ±0.25°C;
J at 600°C
±0.1°C / ±0.35°C;
K at 600°C
±0.15°C / ±0.4°C;
N at 600°C
±0.15°C / ±0.3°C;
R at 1000°C
±0.4°C / ±0.5°C;
S at 1000°C
±0.5°C / ±0.6°C;
T at 200°C
±0.1°C / ±0.3°C
Temperature Resolution:
0.001°
0.0001° 
0.01 to 0.001° 
Resistance/Voltage Accuracy:
0Ω to 20Ω:  ±0.0005Ω 
20Ω to 400Ω:  ±25 ppm of rdg.
0Ω to 5 KΩ:  ±0.5Ω 
5 KΩ to 200 KΩ:  ±100 ppm of rdg. 
200 KΩ to 500 KΩ  ±300 ppm of rdg.
–10 to 50 mV:  ±0.005 mV 
50 to 100 mV:  ±100 ppm of rdg. 
(Internal RJC: ±0.25 °C)
Environmental Range: 16°C to 30°C
Measurement Interval:
0.1 second to 1 hour; inputs may be read sequentially or simultaneously at 1 second or greater interval
Excitation Current:
1 µA, reversing
2 and 10 µA, automatically selected
n/a 
Display:
33 x 127 mm (1.3 x 5 in) backlit LCD graphical display 
Display Units:
°C,  °F, K, Ω, KΩ, mV
Data Logging:
Up to 8,000 time- and date-stamped measurements can be logged
Logging Intervals:
0.1, 0.2, 0.5, 1, 2, 5, 10, 30, or 60 seconds; 2, 5, 10, 30, or 60 minutes
Averaging:
Moving average of most recent 2 to 10 readings, user selectable 
Probe Connection:
Patented DWF Connectors accept mini spade lug, bare-wire, or mini banana plug terminations 
Universal receptacle accepts miniature and standard TC connectors
Communications:
RS-232 included, IEEE-488 (GPIB) optional
AC Power:
100–240 VAC, 50-60 Hz, 0.4 A 
DC Power:
12–16 VDC, 0.5 A (battery charges during operation from 14.5 to 16V DC, 1.0A)
Battery:
NiMH, 8 hours of operation typical without backlight, 3 hours to charge, 500 cycles
Size (WxHxD): 102 x 191 x 208 mm (4.0 x 7.5 x 8.2 in)
Weight: 2 kg (4.5 lb.) 
NIST-
Traceable Calibration:		 Accredited NIST-Traceable resistance calibration and NIST-Traceable voltage calibration provided 

1529 Chub-E4 Thermometer back panel

1529 Chub-E4 Thermometer,
2 TC and 2 PRT/Thermistor inputs

1529-R Chub-E4 Thermometer,
4 PRT inputs

1529-T Chub-E4 Thermometer,
4 TC inputs

The 9322 rugged carrying case holds your 1529 and four probes up to 12" long

To Order:

1529 Chub-E4 Thermometer, 2 TC and 2 PRT/Thermistor inputs
1529-R Chub-E4 Thermometer, 4 PRT/Thermistor inputs
1529-T Chub-E4 Thermometer, 4 TC inputs
2506-1529 IEEE Option
9322 Rugged Carrying Case, holds 1529 and four probes up to 12" long
2513-1529 Rack-Mount Kit
9935-S LogWare II, Multi Channel, Single User
9935-M LogWare II, Multi Channel, Multi User
9320A External Battery Pack

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