YYBY100 Compact Temperature Transmitter

Input
Pt100 RTD
Range
0-100 °C / -50-100 °C
Accuracy
±0.5% FS
Output
4-20 mA / RS485
YOYI YYBY100 · Temperature

YYBY100 — Compact Temperature Transmitter

The YYBY100 is a compact head-mounted temperature transmitter that converts a Pt100 RTD signal into a standard 4-20 mA or RS485 Modbus output. Its small PCB fits standard DIN form B connection heads, turning any YYR500 sensor assembly into a smart, linearised measurement loop.

Mounting
DIN form B head
Communication
RS485, Modbus
Output
4-20 mA two-wire
Configuration
Local buttons
  • ✓Compact head-mount design fits standard connection heads — sensor and transmitter in one assembly.
  • ✓Two industry-standard outputs 4-20 mA analog or RS485 Modbus RTU digital.
  • ✓Simple commissioning local buttons and display-free setup; range configured in minutes.
  • ✓Galvanic isolation options protects the loop in noisy plant environments.
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Technical Specifications

Measured variableTemperature
Input sensorPt100 RTD
Measuring range0 to 100 °C or -50 to 100 °C (32 to 212 °F / -58 to 212 °F)
Accuracy±0.5% FS
Current output4-20 mA
CommunicationRS485, Modbus RTU
Power supplyLoop powered (typ. 24 VDC)
MountingHead-mounted (DIN form B connection head)
ConfigurationLocal push buttons
Typical pairingYYR500 RTD / YYC500 thermocouple assemblies

Typical Applications

PipelinesStorage tanksHVACWater treatmentOEM machineryEnergy & power

Get a YYBY100 quotation

Tell us your media, temperature range and installation — we reply with a best-fit configuration within one business day.

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✉ annie@yoyimeter.com
☎ +86 18027268785

Downloads

Documents are sent by email on request — the latest revision is always provided.

Why Choose the YYBY100

  • ✓Factory tested every unit is checked against YOYI quality standards before shipment.
  • ✓Engineer support free selection review by YOYI application engineers.
  • ✓Fast delivery standard configurations shipped in days, not weeks.

Frequently Asked Questions

Does it work with any Pt100?

Yes — any 3-wire Pt100 per IEC 60751; 2-wire inputs reduce accuracy, ask our engineers for guidance.

4-20 mA and RS485 — can I have both?

The standard output is one of the two; order the variant that matches your control system.

How is the range set?

Ranges are configured via local buttons — no PC or dongle needed.

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