RTD (Pt100) Thermometers & Converters | Measuring Instrument Manufacturer COCORESEARCH

Specification Example

Name

RTD (Pt100) Thermometer

Model

HT-2401R / HT-2411R / HT-2431R / HT-2451R

Input Section

Input Channels

1-CH, Pt100 RTD (3-wire system)

Measuring Range

-200°C to 850°C, ±0.2% of FS

Resistance Check Function

0 to 400 Ω

Calculation Section

Moving Average Count

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

Control Input

None, or 1 point (depending on model) / 2 points added with [D2] option

(Configurations)

Set functions for each control input (CTL) and control externally.
[Functions] Selectable from Hold (Current value, Max, Min, Max Peak-to-Peak) and Zero Shift.

(Operation Method)

The configuration takes effect when the control input (CTL*) terminal (ON logic) is short-circuited (opened) to GND, and turns ON.

(Data Communication)

Command control available via communication (USB, CAN, RS-485). *Commands set via communication cannot be canceled via terminal inputs. A system reset must be executed.

Settings Memory

Non-volatile memory (EEPROM)

Display Section

Display (Numeric)

5 Digits, 7-Segment LED, Character Height: 9mm. HT-2401R: Red LED / HT-2401R-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 within 0.1 to 9.9 sec range) / Display Moving Average: 1 time (Configurable from 1 to 9 times)

Decimal Point Position

Semi-fixed, configured in program mode. 0: □□□□□, 1: □□□□.□ to 4: □.□□□□

Display (Indicator)

1 LED, configurable from Power Supply / Control Input.

USB Communication Section

USB Specs

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

USB Functions

Read/Write settings parameters, Continuous measured value output

Output Update Time

1ms to 9999ms, configurable in 1ms increments

General Specifications

Operating Temp/Humidity

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

Power Supply Voltage

7 to 60 VDC (With reverse connection protection) / Powered from USB host: 5V

Power Consumption

3W or less

Isolation

Between Power Supply / RTD Input / Other I/Os

Withstand Voltage

Between Power Supply / RTD Input / Other I/Os: 500 VDC for 1 minute between each terminal

Weight

Approx. 60g

CAN Option

Communication Specs

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

Communication Functions

Read/Write settings parameters, Continuous measured value output

Configurable Items

CAN Tx ID, CAN Rx ID

Output Update Time

1ms to 9999ms, configurable in 1ms increments

RS-485 Option Please consult us for Modbus RTU compatibility

Max Connections

32 units (max)

Communication Format

2-wire multi-drop serial communication

Transmission Mode

Asynchronous

Communication Specs

RS-485

Baud Rate

9600bps / 19200bps / 38400bps, configured in program mode

Data Format

Start bit: 1 bit / Stop bit: 1 bit / Data length: 8 bits / Parity: None

Communication Code

ASCII

Communication Functions

Read/Write settings parameters, Measured value output (Responds to request commands)

Analog Output Option

Output Signal

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

D/A Conversion Mode

DAC conversion mode

Output Resolution

16-bit (50,000 or higher)

Load Resistance

Voltage Output: 4.7 kΩ or more / Current Output: 300 Ω or less

Output Accuracy

Voltage Output: ±0.1% of FS @ 23°C / Current Output: ±0.1% of FS @ 23°C

Temperature Drift

±200ppm/°C or less

Output Scaling

Arbitrary scaling available via full-scale and zero-scale configurations

Output Update Time

1ms to 9999ms, configurable in 1ms increments

Output Response Time

1ms or less (0 to 90% response)

Comparator (Alarm) Output Option

Configuration Method

Configured in program mode

Output Points

2 points / 4 points (depending on model selection conditions)

Output Form

Isolated solid-state output (PhotoMOS relay), non-polarized. When comparator operation condition is ON, resistance between COMP and COM is 50 Ω or less.

Output Load Voltage

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

Output Logic

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

[High Alert]	ON when value is greater than or equal to the set value
[Low Alert]	ON when value is less than or equal to the set value
[In-Range]	ON within the range, OFF out of the range
[Out-Range]	ON out of the range, ON within the range

Update Time

Depends on the Analog Output Update Time settings. Response time: 1ms (max)


*BXF-DN2* DIN Rail Bracket (Sold Separately)	*HT-2451R* Without Display	*HT-2431R* With Display
> BXF-DN2 Page	>　View Description for 2451 & 2431

Calculation ・Moving Average: Max 99 ・Zero Shift ・HOLD [Current / Max / Min / Peak-to-Peak Max]
RTD Thermometer

Output ・16-bit Analog ・Alarm ・CAN ・RS-485 ・Modbus ・USB
PC, PLC, Logger, Oscilloscope, Indicator Lights, etc.


LCD Monitor	Without Display	External Monitor Free viewer software included **Monitor not included

RTD Thermometers Product List Panel Meters & Signal Converters for Temperature Measurement

Pt100 RTD Compatible With Pt100 Resistance Check Function

Applications

Convert RTD to CAN

Measurement of Temperature, Torque, Speed, and Position of Rotating Bodies via Slip Ring

Simultaneous Temperature Measurement for Multiple Points: Inside Tanks, Piping, Chambers, Facilities, Food, Liquids, Ambient/Room Temperature, etc.

Features

Measurement Range: -200°C to +850°C

Accuracy: ±0.2% of FS

2-Point Rate Setting (Linear Approximation Formula)

With Pt100 Resistance Check Function

USB Type-C [Standard]

RS-485 [Option]

Modbus RTU [In Preparation]

Lineup

HT-4801R

HT-24R

HTL-24R

With SD Logger

Compact Multi-CH

Customization Available [Please consult us]

Customization Examples [Available for Purchase]

Enclosure Case Box

Multi-CH with Display

Multi-CH Infrared Thermometer CAN Output

With SD Logger

Rack Mount Assembly

Handy Portable Type

Selectable Connectors, Displays, Power Supplies, etc.

Smart Configuration & Logging Manage settings, print reports, and perform CSV data logging with free LINKSHIP software

CSV Data Logging

Compare Settings

PC Backup & Copy

Prevent Misoperation

Reduce Setup Hours

Standard USB Type-C: Configuration *HT/HTL-24R also supports data logging & USB power supply

Easy Wiring & Installation

Versatile Use Cases

Portable Measurement

Panel Integration

DIN Rail Mounting

Specification Example

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