DTMC-mk301G High precision thermometer
Product Features
mK grade precision thermometer
Resolution of 0.0001℃
Accuracy (at 0℃ for SPRT) of 7ppm
All solid state design, no bridge transformer and relay
Front panel quick connector design
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Description
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Introduction
DTMC-mk301G high-precision thermometer is a new generation of multi-channel super thermometer specially developed for the field of temperature measurement calibration and precision temperature measurement. It highly integrates high-accuracy electrical measurement technology, intelligent interaction technology, and industry needs, and comprehensively solves the measurement and calibration needs of laboratory and field temperature sensors.
The DTMC-mk301G can measure RTDs, thermocouples, thermistors, temperature transmitters, humidity sensors, DC current and DC resistance, and DC voltage signals. Support ITS-90 temperature scale and IEC60751 standard, built-in thermal conversion software, support sensor parameter management and intelligent sensor management function, in electric power, petrochemical, measurement, metallurgy, biology, pharmaceutical, scientific research work has a wide range of uses, it is ideal for temperature measurement calibration field.
Function
- mK grade precision thermometer
- Resolution of 0.0001℃
- Accuracy (at 0℃ for SPRT) of 7ppm
- All solid state design.
- Front panel quick connector design / Rear panel terminal design
- 3 input channels (CH 1 / CH2 / CH3)
- Support double standard platinum, double standard thermocouple
- Support resistance (Pt / Cu / Ni) (Pt 25 / Pt 100 /PT-X/ Cu X / NiX)
- Support for thermocouple (K / N / J / E / T / R / S / B / We3 / We5)
- Support for thermistor (0-40K)
- Support temperature transmitter (0-20 mA / 4-20 mA)
- The RTD supports automatic current switching, eliminating the EMF thermal potential error
- Thermocouple cooling point compensation is available in various ways (built-in compensation / external compensation / fixed compensation)
- Support for multiple conversion formulas (ITS-90 / Callendar-Van Dusen / IEC60751-2008 / polynomial / Stein-Hart / B value / linearity)
- Standard device management function, can support 100 sets of sensor parameters
- The parameter editing function improves the measurement accuracy of the sensor
- Smart sensor function
- Built-in thermal treasure book calculator
- Built-in ITS-90 fixed-point information
- Automatic data statistics (maximum / minimum / mean / peak / standard deviation / volatility, etc.)
- With 5 display modes, it can display probe information, measurement statistics or differences between measurements, temperature trends
- Record with time-labeled data
- 8G built-in storage space / external U disk to store data
- Curves are displayed in real time
- Support for SCPI communication protocol (RS232 / WLAN)
- 7-inch HD touch screen
- Overall size:270mm(L) x 260mm(W) x 142mm(H)
Technical indicators
| Electrical measurement indicators | |||||
|---|---|---|---|---|---|
| Applicable model | DTMC-mK301H | DTMC-mK301 | |||
| Channel type | Measuring range | Input range | Resolution | Accuracy(1 year) | |
| Standard platinum resistance（SPRT） | 120Ω | 0Ω to 125Ω | 0.01mΩ | 15ppm+2ppm | 30ppm+2ppm |
| Thermal resistance（PRT） | 400Ω | 0Ω to 410Ω | 0.01mΩ | 15ppm+2ppm | 30ppm+2ppm |
| Thermal resistance（PRT） | 4KΩ | 0Ω to 4.1KΩ | 0.1mΩ | 15ppm+4ppm | 30ppm+4ppm |
| Thermocouple（TC） | 100mV | 0mV to 115mV | 10nV | 15ppm+10ppm | 30ppm+10ppm |
| Transmitter | 25mA | 0mA to 30mA | 0.001mA | 0.02% | 0.02% |
| Note: the ambient temperature 20℃±1℃ | |||||
| Temperature indicators |
|---|
| Type | Indexing number | Temperature range | Accuracy |
| Standard platinum resistance（SPRT） | PT25 | -189℃ to 961℃ | ±0.006℃(@0℃) |
| Thermal resistance（PRT） | PT100 | -189℃ to 961℃ | ±0.003℃(@0℃) |
| Thermocouple（TC） | K | -270℃ to 1370℃ | ±0.08℃(@600℃) |
| N | -270℃ to 1300℃ | ±0.08℃(@600℃) | |
| J | -210℃ to 1200℃ | ±0.08℃(@600℃) | |
| E | -210℃ to 1000℃ | ±0.08℃(@600℃) | |
| T | -270℃ to 400℃ | ±0.05℃(@200℃) | |
| R | -50℃ to 1760℃ | ±0.25℃(@1000℃) | |
| S | -50℃ to 1760℃ | ±0.25℃(@1000℃) | |
| B | 250℃ to 1820℃ | ±0.30℃(@1000℃) | |
| Note: Sensor itself deviations are not included | |||
| Functional parameters |
|---|
| Parameter | Indexes | |
| Number of channels | 3 | CH1 and CH2 front-facing,CH3 rear-facing |
| Input | CH1 / CH2 | TC / PRT |
| CH3 | Electric current | |
| Input connector | PRT (front panel) | Lemo EPG.1B.306.HLN 6-pin connector |
| PRT (rear panel) | 4mm Low thermal terminal posts | |
| TC | Mini thermocouple connector(ASTM E 1684-05) | |
| Drive current | SPRT/PRT | 1mA(±0.1%)(automatic reversing) |
| Cold junction compensation |
Built-in cold junction compensation CH1 and CH2 are cold-junction compensation for each other Cold-junction compensation temperature can be entered |
|
| Cold junction compensation accuracy | ±0.1℃ | |
| Intelligent sensors | SPRT/PRT | Support |
| Number of sensors managed | 100 pieces | |
| Data storage capacity | 8G | |
| Convert formulas |
ITS-90 IEC60751(2008), Callendar-van Dusen Steinhart-Hart, B value, polynomial |
|
|
Support for sensors type |
Thermal resistance |
SPRT:PT25、PT100 PRT:PT100、PT1000、PT-X Copper resistance CU50、CU100、CU-X Nickel resistance NI50、NI120、NI1000 |
| Thermocouple |
Standard thermocouples R、S、B Industrial thermocouples K、N、J、E、T、R、S、B、We3 、We5 |
|
| Display screen | 7 inch color touch screen | |
| Interface port | USB | Support (USB stick storage data /firmware upgrade) |
| Network port | Support | |
| RS-232 | 2 ports | |
| Power supply |
115V±10% and 230V±15% Switchable 47~63HZ |
|
| Power | 25W | |
| Temperature and humidity conditions | Storage environment requirements | -10℃ to 50℃，Relative humidity less than 75%RH (non-condensing) |
| Operating environment requirements | 15℃ to 30℃，Relative humidity less than 75%RH (non-condensing) | |
| Calibration environment requirements | 20℃±1℃，Relative humidity less than 40%RH (non-condensing) |
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