Descripción
Pico PT-104 – Platinum Resistance Data Logger
- Measures and records up to 4 platinum resistance thermometers
- Multiple units can be run on 1 PC
- Measures voltage and resistance
- Uses calibrated reference resistors for stability
- USB interface ensures easy installation
- Ethernet interface for remote operation
The PT-104 is a four-channel temperature measuring data logger. It offers the ultimate in resolution (0.001 °C) and accuracy (0.015 °C). Along with temperature it can also be used to measure resistance and voltage.
Accuracy and resolution
Although accurate temperature sensors are widely available, it has been difficult to take advantage of them due to errors caused by the measuring device. Your PT-104 however, is inherently accurate due to its innovative design. Rather than relying on voltage references (which tend to be temperature sensitive) it uses ‘reference’ resistors which are extremely stable (low temperature coefficient and drift). The exact value of each resistor is stored in an EEPROM to provide the ultimate in accuracy (yearly recalibration is recommended). A high-performance 24-bit ADC is used to achieve the 0.001 °C resolution.
Temperature
The PT-104 measures temperature using platinum resistance thermometers (PRTs). Both common industry standards (PT100 and PT1000) are supported. The unit is compatible with two, three and four-wire sensors (four-wire PT100 sensors are recommended for accurate measurements). A wide range of PT100 sensors are available for use with your PT-104.
Resistance
When measuring resistance, the PT-104 uses a four-wire circuit to give the greatest possible accuracy. Two resistance ranges are available (0 to 375 Ω and 0 to 10,000 Ω). The unit is calibrated for 0 to 375 Ω so this range should be used for accurate measurements.
Voltage
For voltage measurements, each input connector can be treated as a differential input with ground, or two single-ended inputs. Both inputs must be zero volts or above, though it does not matter which input has the higher voltage. Two voltage ranges are available (0 to 115 mV and 0 to 2500 mV). For the most accurate measurements use the 0 to 2500 mV range.
Software
The PT100 data logger is supplied with PicoLog data logging software. PicoLog will automatically detect which sensor is connected and will display readings in the correct units. Also supplied is a software development kit. The SDK contains a range of software drivers and example code that you can use to write your own software or to use your PT-104 data logger with third-party software
But I need to measure more channels…
The PT-104 is capable of measuring up to 4 channels at once. Need more channels? No problem. Using PicoLog you can connect up to 20 PT-104s to one PC – giving you a potential 80-channel PT100 data logger. Alternatively you can use your PT-104 logger with up to 19 other Pico data loggers, such as the PicoLog 1000 multichannel data logger, to create your own custom data acquisition system.
The ultimate in portability
With both USB and Ethernet interfaces the PT-104 can be used in a variety of situations. If you need a portable solution that can be used at various locations and is fast to set up and use, simply connect your laptop to the PT-104 by USB. Need to monitor a situation over a period of hours or days, or from a remote location? Plug your PT-104 into a spare port on your network and then access it remotely either from your LAN or over the internet (using Power over Ethernet (PoE) technology means that you don’t even need a separate power supply).
When accuracy is paramount the PT-104 is what you need
The PT-104 platinum resistance data logger gives you the ultimate in resolution and accuracy. You can use it to measure temperature, voltage and resistance. Having both USB and Ethernet interfaces gives you the choice of how you connect and power your PT-104, along with the ability to access the PT-104 remotely over a LAN or the internet. When the accuracy of your temperature measurements is paramount the PT-104 is what you need.
PiciLog Software
PicoLog data acquisition software is a powerful but flexible program for collecting, analyzing and displaying data.
- Collect up to 1 million samples
- Easy and intuitive to use
- Real-time data collection, analysis and display
- Programmable alarm limits can be set for each channel
- Data can be exported to spreadsheets and databases
- Supports multiple different Pico data loggers on the same PC
- Uses your PC monitor to give large color display, ideal for education and training
- Waveforms can be saved, printed or emailed from your PC
- Supports Windows XP, 7 & 8
PicoLog views
PicoLog displays data in a number of views, which can be activated as and when required. These views can be activated both during and after data collection.
Notes view
Notes view allows you to attach notes to data.
Recorder view
Enables you to start/stop recording and specify recording files. It shows the current readings and alarm conditions for each channel. All settings such as scaling, channels and sampling are controlled from the recorder view.
Spreadsheet view
Displays text data in a format that can be easily copied and pasted into other applications. Data can also be saved to disk in standard ASCII text format.
Graph view
Graphs can be displayed both during and after data collection. Each channel can be displayed in its own graph or multiple channels can be displayed in the same graph. Axes can be set up manually, automatically or in chart recorder mode. Multipliers allow you to magnify areas of interest. Graphs can be copied and then pasted into reports.
XY graph view
Displays one parameter against another. Useful for plotting voltage against current, for example.
Player view
Displays previously recorded data. It enables you to scroll quickly through stored files to compare results on successive runs. The player can be used to examine old data while new data is still being recorded.
Exporting data and remote logging
Data can easily be transferred (either as graphs or raw data) to other Windows applications by using the clipboard (copy and paste). Graphs can also be saved to disk (as Windows Metafiles) and data from the spreadsheet can be saved in text format. PicoLog data acquisition software also supports IP networking. This enables remote data collection from Pico’s full range of data acquisition products.
Parameter scaling can be used to convert raw data into standard engineering units. A wide range of equation and table lookup scaling options are provided. Additional parameters can be calculated. For example, to calculate power output from a boiler you may need to multiply a flow reading from one channel with the temperature difference between two further channels. Alarm limits can be set for each channel to alert the user should a parameter go out of a specified range.
Scaling and alarms
Parameter scaling can be used to convert raw data into standard engineering units. A wide range of equation and table lookup scaling options are provided. Additional parameters can be calculated. For example, to calculate power output from a boiler you may need to multiply a flow reading from one channel with the temperature difference between two further channels. Alarm limits can be set for each channel to alert the user should a parameter go out of a specified range.
Software Development Kit (SDK)
As well as the supplied PicoLog software, also included are drivers and examples for those who want to write your own software or interface to other programs. Software drivers are supplied for Microsoft Windows, Apple Mac (OS X) and Linux (including Raspberry Pi and BeagleBone).
Example code shows how to interface to third-party software packages such as Microsoft Excel and National Instruments LabVIEW as well as how to write your own software in C++ / C#.
Manufacturer Specs
| Pico PT-104 USB Data Logger Specifications | |||
| Input/output | |||
| Type | Temperature | Resistance | Voltage |
| Sensor | PT100, PT1000 | n/a | n/a |
| Range | –200 to +800 °C | 0 to 375 Ω 0 to 10 kΩ |
0 to 115 mV 0 to 2.5 V |
| Accuracy (at 23 ±2 °C) | 0.015 °C + 0.01% of reading |
20 ppm at 100 Ω | 0.4% |
| Temperature coefficient | 5 ppm/°C | 5 ppm/°C | 100 ppm/°C |
| RMS noise with filter | 0.01 °C | 10 ppm | 10 ppm |
| Resolution | 0.001 °C | 1 µΩ | 0.156 µV |
| Overload protection | ±30 V | ||
| Number of inputs | 4 | ||
| Converter resolution | 24 bits | ||
| Conversion time | 720 ms per channel | ||
| Input connectors | 4-pin mini-DIN | ||
| Input impedance | >1 MΩ | ||
| Output connectors | USB and Ethernet | ||
| PC requirements | |||
| Minimum | Processor: 1 GHz Memory: 512 MiB Free disk space: 32–bit: 600 MB, 64–bit: 1.5 GB Operating system: 32– or 64–bit edition of Microsoft Windows XP (SP3), Vista, Windows 7 or Windows 8 (not Windows RT) Ports: USB 1.1 or Ethernet. |
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| Recommended | Processor: 1 GHz Memory: 512 MiB Free disk space: 32–bit: 850 MB, 64–bit: 2 GB Operating system: 32– or 64–bit edition of Microsoft Windows 7 or Windows 8 (not Windows RT) Ports: USB 1.1 (or higher) or Ethernet |
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| Environmental | |||
| Operating environment Temperature range Humidity range |
0 °C to 70 °C (20°C to 30°C for quoted accuracy) 20% to 90% RH, non-condensing |
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| Storage environment Temperature range Humidity |
-20 to +80°C 5 to 95% RH, non–condensing |
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| Physical properties | |||
| Dimensions | 184 x 135 x 36 mm (approx 5.31 x 7.24 x 1.42 in) | ||
| Weight | 350 g (approx 12.3 oz) | ||
| Software | |||
| PicoLog for Windows | PicoLog data acquisition software can collect up to 1 million samples. Features include: Multiple views — view data as a graph, spreadsheet or text Parameter scaling — convert raw data into standard engineering units Math functions — use mathematical equations to calculate additional parameters Alarm limits — program an alert if a parameter goes out of a specified range IP networking — transfer measurements via a LAN or over the Internet Operating systems supported: Microsoft Windows XP (SP3) to Windows 8.1 (stable software). Full details on PicoLog |
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| Software development kit | Includes drivers and example code for various programming languages including C, Excel and LabVIEW. Download SDK | ||
| Language support | |||
| Software PicoLog |
Full support for: English, Français, Deutsch Menus and dialogs only for: Italiano, Español, Svenska |
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| Documentation User’s guide Programmer’s guide |
English, Français, Deutsch, Italiano, Español English |
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| General | |||
| Additional hardware (supplied) | USB 2.0 cable, Ethernet cable, user manuals, software CD-ROM | ||
| PC interface | USB 1.1 (USB 2.0 and USB 3.0 compatible) or Ethernet | ||
| Power requirements | Powered from USB port or Ethernet | ||
| Compliance | European EMC and LVD standards FCC Rules Part 15 Class A RoHS |
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| Total satisfaction guarantee | In the event that this product does not fully meet your requirements you can return it for an exchange or refund. To claim, the product must be returned in good condition within 14 days. | ||
| Warranty | 5 years | ||
Tech Specs
Dataloggers / Data Acquisition/Dataloggers for Environmental Variables/Temperature Dataloggers Templ |
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|---|---|
| Power Source | USB Powered |
| Accuracy | Accuracy (at 23 ±2 °C) Temperature: 0.015 °C + 0.01% of reading Resistance: 20 ppm at 100 Ω Voltage: 0.4% |
Test Equipment General Attributes |
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| Warranty | 5 YEARS |
| Safety Approval | RoHS |
| Product Weight | 0.77 LBS |
| Product Height | 1.42 IN |
| Product Length | 5.31 IN |
| Product Width | 7.24 IN |
| HTS/Schedule B Number | 90278080 |
| Country of Origin | United Kingdom |
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