DTMC-mk 301 High precision thermometer
Product Features
mK grade precision thermometer.
Resolution of 0.0001℃.
Accuracy (at 0℃ for SPRT) of 7ppm.
Sampling rate is up to 1S once
3 input channels (CH 1 / CH2 / CH3)
Model Selection
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Description
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Introduction
DTMC-mk301 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-mk301 can measure RTDs, thermocouples, thermistors, temperature transmitters, humidity sensors, DC current and DC resistance, and DC voltage signals. Support ITS-90 temperature scale and ITC60751 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.
Specialized manufacturer of temperature calibration instrument,committed to providing users with high-quality, comprehensive temperature metrology solutions.Tai’an Detu Automation Instrument Co.,Ltd
DearTo Instrument,temperature and humidity precision calibration professional manufactory!
Product characteristics
- mK grade precision thermometer
- Resolution of 0.0001℃
- Accuracy (at 0℃ for SPRT) of 7ppm
- Sampling rate is up to 1S once
- All solid state design, no bridge transformer and relay
- 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 / Cu X / NiX)
- Support for thermocouple (K / N / J / E / T / R / S / B / We3 / We5)
- Support for thermistor (0-400K)
- Support temperature transmitter (0-20 mA / 4-20 mA)
- The RTD supports automatic current switching, eliminating the EMF thermal potential error
- RTD supports two-line, three-line and four-line sensors
- 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 Parameter
Electrical measurement indicators | |||||
---|---|---|---|---|---|
Channel type | Measuring range | Input range | Resolution | Accuracy(1 year) | |
Standard platinum resistance(SPRT) | 120Ω | 0Ω~125Ω | 0.01mΩ | 4ppm+8ppm | |
Thermal resistance(PRT) | 400Ω | 0Ω~410Ω | 0.01mΩ | 4ppm+6ppm | |
Thermal resistance(PRT) | 4KΩ | 0Ω~4.1KΩ | 0.1mΩ | 4ppm+6ppm | |
Thermocouple(TC) | 100mV | 0mV~115mV | 10nV | 15ppm+15ppm | |
Transmitter | 25mA | 0mA~30mA | 0.001mA | 0.0002 | |
Note: the ambient temperature 20℃±1℃ | |||||
Temperature indicators | |||||
Type | Indexing number | Temperature range | Accuracy | ||
Standard platinum resistance(SPRT) | PT25 | -189℃~961℃ | ±0.006℃(@0℃) | ||
Thermal resistance(PRT) | PT100 | -189℃~961℃ | ±0.003℃(@0℃) | ||
Thermocouple(TC) | K | -270℃~1370℃ | ±0.08℃(@600℃) | ||
N | -270℃~1300℃ | ±0.08℃(@600℃) | |||
J | -210℃~1200℃ | ±0.08℃(@600℃) | |||
E | -210℃~1000℃ | ±0.08℃(@600℃) | |||
T | -270℃~400℃ | ±0.05℃(@200℃) | |||
R | -50℃~1760℃ | ±0.25℃(@1000℃) | |||
S | -50℃~1760℃ | ±0.25℃(@1000℃) | |||
B | 250℃~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 | Thermal resistance | SPRT:PT25、PT100 | |||
type | 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℃~50℃,Relative humidity less than 75%RH (non-condensing) | |||
Operating environment requirements | 15℃~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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