Product Details
Product Description
Product Description
DTMC-mk 301 High precision thermometer
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.
Product characteristics
n mK grade precision thermometer
n Resolution of 0.0001℃
n Accuracy (at 0℃ for SPRT) of 7ppm
n Sampling rate is up to 1S once
n All solid state design, no bridge transformer and relay
n Front panel quick connector design / Rear panel terminal design
n 3 input channels (CH 1 / CH2 / CH3)
n Support double standard platinum, double standard thermocouple
n Support resistance (Pt / Cu / Ni) (Pt 25 / Pt 100 / Cu X / NiX)
n Support for thermocouple (K / N / J / E / T / R / S / B / We3 / We5)
n Support for thermistor (0-400K)
n Support temperature transmitter (0-20 mA / 4-20 mA)
n The RTD supports automatic current switching, eliminating the EMF thermal potential error
n RTD supports two-line, three-line and four-line sensors
n Thermocouple cooling point compensation is available in various ways (built-in compensation / external compensation / fixed compensation)
n Support for multiple conversion formulas (ITS-90 / Callendar-Van Dusen / IEC60751-2008 / polynomial / Stein-Hart / B value / linearity)
n Standard device management function, can support 100 sets of sensor parameters
n The parameter editing function improves the measurement accuracy of the sensor
n Smart sensor function
n Built-in thermal treasure book calculator
n Built-in ITS-90 fixed-point information
n Automatic data statistics (maximum / minimum / mean / peak / standard deviation / volatility, etc.)
n With 5 display modes, it can display probe information, measurement statistics or differences between measurements, temperature trends
n Record with time-labeled data
n 8G built-in storage space / external U disk to store data
n Curves are displayed in real time
n Support for SCPI communication protocol (RS232 / WLAN)
n 7-inch HD touch screen
n Overall size:270mm(L) x 260mm(W) x 142mm(H)
Technical indicators
Electrical measurement indicators
|
Channel type
| Measuring range
| Input range
| Resolution
| Accuracy(1 year)
|
Standard platinum resistance（SPRT）
| 120Ω
| 0Ω~125Ω
| 0.01mΩ
| 30ppm+5ppm
|
Thermal resistance（PRT）
| 400Ω
| 0Ω~410Ω
| 0.01mΩ
| 30ppm+5ppm
|
Thermal resistance（PRT）
| 4KΩ
| 0Ω~4.1KΩ
| 0.1mΩ
| 30ppm+6ppm
|
Thermocouple（TC）
| 100mV
| 0mV~115mV
| 10nV
| 60ppm+20ppm
|
Transmitter
| 25mA
| 0mA~30mA
| 0.001mA
| 0.02%
|
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
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℃~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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