- Combines with Pt100 to measure temperature.
| Measurement: -200°C to +850°C |
| Rate setting between two points Linear Compensation Formula |
| Input RTD |
||
Pt100  |
 |
|
| Calculation ・Moving average 99 max. ・Hold [Current/max./min./max. fluctuation range] ・Zero shift |
||
HT-4801R |
|
|
| Power supply ・DC9.6-30V ・AC100-240V |
Setting ・Front button on main unit ・Special software LINKSHIP ・External setting unit PL-5A |
|
| Output | |||||||
PC, PLC, Logger, Oscilloscope, Indicators, etc.  
   |
|||||||
| >See more |
| Flexible measurement types and number of CHs |
| Convenient, easy, low cost |
| Power supply, output voltage, communication spec, etc. |
| Support from a single unit |
| Calibration as a built-in product is available |
| Calibration documents and traceability charts can be issued |
3-wire wiring greatly reduces wiring compared to BCD
Powerful error detection system for improved noise immunity and safety
| SAE J1939 [DLC 8 bytes or less] Customization experience available Please contact us for other customizations. |
Resolution 50,000 or more／Full scale and zero scale settings, output zero adjustment
1 to 4 points
Data logging, setting
| HT-4801R Standard model | 35,800 yen and up [tax not included] |
| > See Option / Price | *Prices as of February 2024 |
(A) Operation indicator LED
(B) Front sheet button
- [In program mode] MODE, digit selection, numeric setting, ENTER
- [In measurement mode] Span shift, Zero shift
- Key lock: Prevents unintentional operation by field workers.
| > Download page |
| Applications list > |
| Name | Resistance Thermometer | ||||||||
| Model | HT-4801R | ||||||||
| Input | |||||||||
| Number of input | 1 point RTD[Resistance thermometer] Pt100 3-wire | ||||||||
| Measuring range | -200°C to +850°C ±0.2% of FS | ||||||||
| Resistance check function | 0Ω to 400Ω | ||||||||
| Burnout | display "bAhn" in 7seg characters | ||||||||
| Input connector | Terminal block 7.62mm pitch M3 free terminal screw | ||||||||
| Calibration | Adjustable with zero reference voltage input and span reference voltage input for each RTD type (Adjustment command via CAN or USB command) |
||||||||
| Calculation | |||||||||
| Output moving average | 1 to 99 [Display moving average]1 to 9 | ||||||||
| Control input | None or 1 point (depending on model) [D2] Option adds 2 points | ||||||||
| Settings | Set functions per control input (CTL) for external control | ||||||||
| Functions | Hold (current value, max value, min value, max fluctuation range), zero shift |
||||||||
| ON Logic | Normally open, normally closed | ||||||||
| Operation | Control Input (CTL*) Terminal (ON Logic): Short to GND (Open) for ON, Open (Short) for setting content to take effect |
||||||||
| Commnication | Command control possible via communication (USB, CAN, RS-485) *Commands set via communication cannot be canceled by terminal input. Reset execution is always required |
||||||||
| Setting Value Memory | Non-volatile Memory (EEPROM) | ||||||||
| Display | |||||||||
| Indicator (Numerical Display) |
6-digit, 7-segment LED Character height 14.2mm [Standard] HT-4801R Red LED / [Option] HT-4801R-G Green LED Display range:-199999 to 999999 Over indication: OL / Zero indication: Leading zero suppress |
||||||||
| Decimal point position | Semi-fixed, set in program mode. [0] ******, [1] *****.* to [4] **.**** | ||||||||
| Update time | 0.3 sec (settable from 0.1 to 9.9 sec) | ||||||||
| Display accuracy | 20ppm ±1digit | ||||||||
| Indicator 4 round LEDs |
[IN] Not in use [RUN] Illuminates when function setting is ON [COMP1][COMP2] Illuminates when comparator output is ON [Option] |
||||||||
| USB communication | |||||||||
| Specification | USB2.0 (Serial port communication by USB virtual COM 230.4kbps) | ||||||||
| Function | Writing/reading of set values/continuous output of measured values | ||||||||
| Update time | 1 to 9999ms, settable in 1ms increments (No output when output update time is set to 1 to 9) |
||||||||
| General Information | |||||||||
| Operating temp./humidity | -10°C to +50°C / 35 to 85%RH (non-condensing) | ||||||||
| Power supply [Select a model] |
[AF] 100-240VAC (Maximum rated 85-264VAC) 50/60Hz [DF] 9.6-30VDC (Maximum rated 9-36VDC) with reverse connection protection |
||||||||
| Power consumption | 3W or less | ||||||||
| Isolation | Power supply / RTD input / Other input/output | ||||||||
| Withstand voltage | Between each terminal of the above isolation: DC 500V for 1 minute |
||||||||
| Weight | Approx. 340g | ||||||||
| CAN option | |||||||||
| Specifications | CAN2.0B 10 k / 20 k / 50 k / 100 k / 250 k / 500 k / 1M bps [Format] INTEL/MOTOROLA, [Frame] 11bit/29bit |
||||||||
| Function | Writing/reading of set values/continuous output of measured values | ||||||||
| Setting item | CAN transmit ID, CAN receive ID | ||||||||
| Update time | 1 to 9999ms Settable in 1 ms increments | ||||||||
| RS-485 communication option Modbus RTU support is available upon request. | |||||||||
| Connected units | 32 units [max.] | ||||||||
| Format | 2-wire multi-drop serial communication | ||||||||
| Method | Asynchronous | ||||||||
| Standard | RS-485 | ||||||||
| Speed | 9600bps / 19200bps / 38400bps Set in program mode | ||||||||
| Data format | Start bit: 1 bit / Stop bit: 1 bit / Data length: 8 bits / Parity bit: None | ||||||||
| Communication code | ASCII | ||||||||
| Function | Writing/reading set values/measurement value output [response to request command] | ||||||||
| Analog output option | |||||||||
| Output signals | [E1] 0 - 10V [E5] 0 - 5V [R1] ±10V [R5] ±5V [I1] 4 - 20mA [Select a model] | ||||||||
| D/A conversion method | DAC conversion method | ||||||||
| Output resolution | 16bit [50,000 or more] | ||||||||
| Load resistance | [Voltage output] 4.7kΩ or more / [Current output] 300Ω or less | ||||||||
| Output accuracy | [Voltage output] ±0.1% of FS @ 23℃/ [Current output] ±0.1% of FS @ 23℃ | ||||||||
| Temperature fluctuation | ±200ppm/℃ or less | ||||||||
| Output scaling | Arbitrary scaling is possible by full scale and zero scale settings | ||||||||
| Update time | 1 to 9999ms settable in 1ms increments | ||||||||
| Input/output delay time | Output update time + analog rise time 150 μs max. | ||||||||
| Alarm [Comparator] output option | |||||||||
| Setting method | Set in program mode | ||||||||
| Number of outputs | 1 to 4 points [depends on the models] | ||||||||
| Output form | Isolated non-contact output [photo-MOS relay] No polarity. When comparator operating condition is ON, resistance between COMP and COM 50 Ω or less for C2 option [2 comparator] / 100 Ω or less for C1 option [1 comparator] |
||||||||
| Output load voltage | Peak AC/DC280V 100mA [resistive load] / ON resistance 50Ω or less | ||||||||
| Output logic | Comparison is made with polarity [0 is greater than minus]
|
||||||||
| Update time | Depends on analog output update time setting. Response time 1ms [max.] | ||||||||
| Ethernet Communication option | |||||||||
| Connector | RJ-45 (Network Interface) Lantronix XPort | ||||||||
| Interface | 100BASE-TX／10BASE-T (Auto-sensing) Transmission Speed Standard: Category 5/Category 4 |
||||||||
| Specifications | Protocol: TCP/IP Method: Telnet Communication Connection | ||||||||
| Output update | Same as USB communication 1 to 9999ms | ||||||||
| Transmission Compatibility | DIX Ethernet Version2.0 IEEE 802.3 | ||||||||
| LED Indicators | 100BASE-TX／10BASE-T | ||||||||
| Link/Activity Indicator | Full Duplex/Half Duplex (Telnet cannot handle encrypted communication networks using SSL/TLS or SSH) | ||||||||
| View List > |
| Load cell/Pressure/Strain | CAN to analog |
| DC current | DC voltage |
| Thermocouple meter | Thermistor meter |
| RTD meter | Resistance Meter |
| Speed/Count, Pulse Freq. | Torque/Freq.deviation |
Various Outputs
Software LINKSHIP
For data logging, setting
Customization
EX48
EX(L)24
