NTC Thermistor Thermometer / Converter | High Accuracy & CAN Output

Specification Examples

Name

Thermistor Thermometer

Model

HT-2401T / HT-2411T / HT-2431T / HT-2451T

Input Section

No. of Inputs

1 Channel (Thermistor NTC)

Measuring Range

40kΩ

Measurement Scope

0Ω - 40kΩ (Minimum resolution: 1.5Ω)

Open Voltage

3.3V (Measurement current: 50uA)

Resistance Measurement Error

±0.02%FS @23℃

Conversion Accuracy Examples

[Algorithm 1] Within ±0.5%rdg at 0℃ to 100℃ / Within ±3%rdg at 100℃ to 150℃
[Algorithm 2] Within ±0.05%rdg at 0℃ to 150℃ (Both Algorithm 1 and 2 apply to Shibaura Electronics PB43 factory default settings. Excludes resistance measurement error.)

Calculation Section

Operation Mode

ΔΣ Integration Method

Moving Average Count

1 - 99 (Display moving average count: 1 - 9)

Control Input

None or 1 Channel (Depends on model) / 2 additional channels with [D2] option

(Configuration Content)

Configure features for each control input (CTL) and control from external sources.
[Features] Selectable from Hold (Current value, Max value, Min value, Max fluctuation range) and Zero Shift.

(Operation Method)

Reflected by short-circuiting (opening) the control input (CTL*) terminal (ON logic) to GND.

(Data Communication)

Command control available via communication (USB, CAN, RS-485) *Commands set via communication cannot be canceled by terminal input. A reset execution is required.

Setting Value Memory

Non-volatile Memory (EEPROM)

Display Section

Display (Numeric Display)

5 Digits, 7-Segment LED (Character height: 9mm) / HT-2401T: Red LED / HT-2401T-G: Green LED (Option)
Display Range: -19999 to 99999 / Over-range Display: OL / Zero Display: Leading zero suppression
Display Update Time: 0.3 sec (Configurable from 0.1 to 9.9 sec) / Display Moving Average: 1 time (Configurable from 1 to 9 times)

Decimal Point Position

Semi-fixed, configured via Program Mode (0: □□□□□, 1: □□□□.□ to 4: □.□□□□)

Display (Indicator)

1 LED, configurable from Power Supply / Control Input

USB Communication Section

USB Communication Specs

USB 2.0 (Serial port communication via USB virtual COM, 230.4kbps)

USB Communication Features

Write/Read configuration values / Continuous output of measured values

Output Update Time

1ms - 9999ms (Configurable in 1ms increments)

General Specifications

Operating Temp/Humidity Range

-10℃ to +50℃, 35 to 85%RH (Non-condensing)

Power Supply Voltage

DC 7-60V (Reverse connection protection included) / Power from USB host: 5V

Power Consumption

3W or less

Isolation

Power Supply / Thermistor Input / Other Inputs and Outputs

Withstand Voltage

Power Supply / Thermistor Input / Other Inputs and Outputs: DC 500V for 1 minute between terminals

Weight

Approx. 60g

CAN Option

Communication Specs

CAN 2.0B 10k / 20k / 50k / 100k / 250k / 500k / 1M bps, Formats (INTEL/MOTOROLA), Frames (11-bit/29-bit)

Communication Features

Write/Read configuration values / Continuous output of measured values

Configuration Items

CAN TX ID, CAN RX ID

Output Update Time

1ms - 9999ms (Configurable in 1ms increments)

RS-485 Option Please consult us for Modbus RTU compatibility

Max. Connections

32 Units (Max)

Communication Type

2-Wire Multi-drop Serial Communication

Communication Mode

Asynchronous Mode

Communication Standard

RS-485

Baud Rate

9600bps / 19200bps / 38400bps (Configured via Program Mode)

Data Format

Start Bit: 1-bit / Stop Bit: 1-bit / Data Length: 8-bit / Parity: None

Communication Code

ASCII

Communication Features

Write/Read configuration values / Output measured values (Responds to request commands)

Analog Output Option

Output Signal

[E1] 0 - 10V [E5] 0 - 5V [R1] ±10V [R5] ±5V [I1] 4 - 20mA 【Select Model】

D/A Conversion Mode

DAC Conversion Method

Output Resolution

16-bit (Over 50,000)

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 possible via full-scale and zero-scale configurations

Output Update Time

1ms - 9999ms (Configurable in 1ms increments)

Output Response Time

1ms or less (0→90% response)

Comparator (Alarm) Output Option

Configuration Method

Configured via Program Mode

No. of Outputs

2 Points / 4 Points (Depends on model selection criteria)

Output Type

Isolated Solid-State Output (PhotoMOS Relay), Non-polarized. Resistance between COMP-COM is 50Ω or less when comparator operation condition is ON.

Output Load Voltage

Peak AC/DC 280V 100mA (Resistive load), ON resistance max 50Ω or less

Output Logic

Comparison is performed with polarity (0 is greater than minus)

[Over]	ON at or above set value
[Under]	ON at or below set value
[Within Range]	ON within set range, OFF out of range
[Out of Range]	ON out of set range, ON within range

Update Time

Depends on analog output update time settings. Response time: 1ms (max)


*BXF-DN2* DIN Rail Fixture (Sold separately)	*HT-2451T* Without Display	*HT-2431T* With Display
> To BXF-DN2 Page	> View Description of 2451 / 2431

Calculation ・Moving Average (Max 99) ・Zero Shift ・HOLD [Current / Max / Min / Max Fluctuation Range]
Thermistor Thermometer

Output ・16-bit Analog (Voltage/Current) ・Alarm ・CAN ・RS-485 ・Modbus ・USB
PC, PLC, Logger, Oscilloscope, Indicator, etc.


LCD Monitor	Without Display	External Monitor Display Free monitor display software included **Monitor is not included

NTC Thermistor Thermometer List Temperature Measurement Panel Meter / Signal Converter

High Conversion Accuracy with Original Calculation Method B2 Constant Logarithmic Approximation Algorithm

Measures temperature in combination with NTC thermistors, and outputs via voltage/current signals or CAN.

Application Examples

Temperature Detection & Control for Electrical Appliances and Batteries

Converting Thermistor (Temperature) to CAN

Features

Within ±0.05% rdg Conversion Accuracyvia B2 Constant Logarithmic Approximation Algorithm @ 0°C to 150°C

Within ±0.5% rdg Conversion Accuracy at 0°C to 100°C / Within ±3% rdg at 100°C to 150°Cvia B1 Constant Logarithmic Approximation Algorithm

Resistance Measurement Error ±0.02% FS @ 23°C

USB Type-C [Standard]

RS-485 [Option]

Modbus RTU [Under Development]

Lineup

HT-24T

HTL-24T

With SD Logger

Compact Multi-Channel

Customization Support [Please consult us]

Customization Examples [Available for Purchase]

Enclosure / Box Housing

Multi-CH with Display

Multi-CH Radiation Thermometer with CAN Output

With SD Logger

Rack Mount Integration

Handy Type

Selectable Connectors, Displays, Power Supplies, etc.

Smart Configuration & Logging Manage configurations, print reports, and perform CSV logging with the dedicated free software LINKSHIP

CSV Data Logging

Compare & Verify Settings

Save & Copy via PC

Prevent Misoperation

Reduce Configuration Hours

USB Type-C Standard Equipment: Configuration *HT/HTL-24T also supports logging and power supply

Easy Wiring & Installation

A Variety of Usage Options

Portable Measurement

Panel Integration

DIN Rail Mounting

Specification Examples

Other Related Products Panel Meters / Signal Converters / Indicators

NTC Thermistor Thermometer List
Temperature Measurement Panel Meter / Signal Converter

High Conversion Accuracy with Original Calculation Method
B2 Constant Logarithmic Approximation Algorithm

Within ±0.05% rdg Conversion Accuracy
via B2 Constant Logarithmic Approximation Algorithm @ 0°C to 150°C

Within ±0.5% rdg Conversion Accuracy at 0°C to 100°C /
Within ±3% rdg at 100°C to 150°C
via B1 Constant Logarithmic Approximation Algorithm

Resistance Measurement Error
±0.02% FS @ 23°C