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Detailed description
JK7000 Multi-channel temperature humidity recorder
Using 32 bit RAM high speed processor, sampling faster
Support a variety of sensor inputs, such as DC current: 4-20mA. DC voltage: 0-5V. thermocouple: K, J, T, S, N, R, thermal resistance
PT100, CU50, frequency signal: 0-10000Hz.
Provide DC24V transmitter power output 1 road, can also be purchased separately output module (each module provides 8 DC24V transmitter power output)
Modular design, the user can later purchase measurement module to increase the test channel
The standard 8 channel, up to 128 channels. Each module for 8 channels.
Using 7 inches large screen, support for touch control operation and keys at the same time
Mouse keyboard plug and play
Multi screen display, support for digital display, bar graph display, curve display
Specific alarm function, you can set the upper and lower limits
Built in FLASH memory, the capacity of 64M. by 8 channels, the longest can be recorded for 3 years
Support external U disk online storage function, easy to download and copy data at any time
Support AC 65V-240V power supply and DC 24V power supply (used for instrument power supply)
Support lithium battery power supply (optional)
Standard RS232 communication transmission and control software
Application
Temperature monitoring and maintenance of equipment
Evaluation of electronic circuit components
Measurement of motor temperature
Fuel cell temperature measurement
Temperature measurement of cold storage warehouse
Temperature management
Vehicle development and evaluation of vehicle components
Ambient temperature monitoring
LED lamp temperature measurement
Model | JK7000 |
Display | 7 inch TFT color LCD (640*480 pixel) |
Channel number | 10（Maximum measured channel number：80） |
The maximum number of connections of the module | *The maximum number of connections is limited by the maximum number of input / output channels, and varies depending on the type and composition of the module. |
Arithmetic channel number | 50 |
Channel of communication channels | 50 |
Internal memory | SD memory card (max 32GB) (Format: FAT32 or FAT16), factory standard 1GB |
External storage medium | USB interface (/UH option): compatible with USB 2 standard (external storage medium: USB flash memory) (keyboard / mouse: compatible with HID Class Ver.1.1 standard) |
Communication function | Ethernet（10 BASE-T/100 BASE-TX）,compatible IEEE802.3 standard（Ethernet Frame Format：DIX） Modbus/TCP（Client function / server function） |
Optional | serial communication :RS-232, RS485, Modbus/RTU（Host function / slave function） |
Other function | Security function: key function and login function Clock function: calendar function, precision:±5ppm（0~50℃） LCD Screen saver function |
Rated power supply voltage | 100-240VAC（Voltage allowable range：90~132VAC,180~240VAC） |
Rated power frequency | 50/60Hz |
Power waste | Max 45VA（100VAC）,Max 60VA（240VAC） |
Insulation resistance | Between the Ethernet terminal,RS422/485, the insulation terminals and the ground：≥20MΩ（500VDC） |
Withstand voltage | Between the power terminal and the ground：3000VAC（50/60Hz）/1 minute |
External size（W*H*D） | Host：288*128*300（mm） Including modules :288*128*320（mm） |
Weight （Only host） | About 5kg |
JK7000 Analog input specification | ||||
Item | Content | |||
Input type | Photoelectric relay scanning mode, full channel insulation input, balanced input | |||
Mode input terminal shape | M3 Screw terminal | |||
Measuring range | Voltage | 0.01mV-100V F.S.(full range）,Highest resolution 1µV | ||
Thermal resistance | Type：PT100 | |||
Thermocouple | Type：K、J、E、T、R、S、B、N | |||
Humidity | 0 ~ 100% (use optional C-150) | |||
Current | 0.01mA-20.00mA | |||
Sampling rate | 1s (full channel) | |||
Measuring accuracy | Temperature/ thermocouple | Types | Measuring temperature range (TS:measuring temperature） | Measuring accuracy |
R | 0≤TS≤100℃ | ±5.2℃ | ||
100<TS≤300℃ | ±3.0℃ | |||
300<TS≤1600℃ | ±(0.05% of rdg.+2.0℃) | |||
S | 0≤TS≤100℃ | ±5.2℃ | ||
100<TS≤300℃ | ±3.0℃ | |||
300<TS≤1760℃ | ±(0.05% of rdg.+2.0℃) | |||
B | 400≤TS≤600℃ | ±3.5℃ | ||
600<TS≤1820℃ | ±(0.05% of rdg.+2.0℃) | |||
K | －200<TS≤0℃ | ±(0.05% of rdg.+2.0℃) | ||
0<TS≤1370℃ | ±(0.5% of rdg.+1.0℃) | |||
E | －200≤TS≤-100℃ | ±( 0.05% of rdg.+2.0℃) | ||
－100<TS≤800℃ | ±(0.05% of rdg.+1.0℃) | |||
T | －200≤TS≤-100℃ | ±(0.5% of rdg.+1.5℃) | ||
－100<TS≤400℃ | ±(0.1% of rdg.+0.5℃) | |||
J | －200≤TS≤-100℃ | ±2.7℃ | ||
－100<TS≤100℃ | ±1.7℃ | |||
100<TS≤1100℃ | ±(0.05% of rdg.+1.0℃) | |||
N | －200≤TS<0℃ | ±(0.1%of rdg.+2.0℃) | ||
0≤TS≤1300℃ | ±(0.1% of rdg.+1.0℃) | |||
Standard contact compensation accuracy | ±0.5℃ | |||
PT100 | －100<TS≤100℃ | ±0.2（must be customized） | ||
A/D converter | Mode：ΔΣ，16Bit(Effective resolution：±1/40000) | |||
Maximum input voltage | Between input terminal +/- | -100V~100V: p-p | ||
Between channel（1-1/（-1） | 60Vp-p | |||
Between input terminal/GND | 60Vp-p | |||
Maximum withstand voltage
| Between channels | 350Vp-p(within 1 minute) | ||
Between input terminal/GND | 350Vp-p(within 1 minute) | |||
