UES TES835S_EPRO_PRODUCT_Easy Semiconductor Technology (Hong Kong) Limited 易擇半導體科技(香港)有限公司

Key Features ✔ Wide measuring range: 1–50,000 RPM (±0.01% accuracy) ✔ Triple protection setpoints: Warning/Danger/ESD ✔ <10ms response time – industry-leading for overspeed events ✔ Dual sensor inputs (MPU/proximity) for redundancy ✔ SIL 2 certified (SIL 3 option available) Technical Specifications Inputs: Magnetic pickup (MPU) or proximity probe (1–60 pulses/rev) Outputs: 4× SPDT relays (250VAC/5A) 4–20mA analog output RS-485 Modbus RTU Display: 5-digit LED with 0.1 RPM resolution Power: 24VDC or 85–264VAC Safety & Protection Programmable trip delays (0.1–60 seconds) Self-diagnostics for sensor health monitoring Event logging (last 10 trips) TÜV-certified protection logic Typical Applications Steam/gas turbine overspeed protection Critical compressor trains Power generation equipment High-speed pump monitoring Certifications & Options ATEX/IECEx Zone 1 (optional) SIL 2/3 compliant versions CE, UL, API 670 (5th Ed.) Why Choose TES835S? Military-grade reliability for mission-critical systems Flexible integration with PLC/DCS via Modbus Rugged IP65 aluminum housing 5-year warranty on electronics

400-887-3214

DESCRIBE

1. General Specifications
Parameter Specification
Model UES TES835S
Type Digital Tachometer & Overspeed Protection
Application Turbine/Compressor Speed Monitoring
Standards API 670 (5th Ed.), ISO 10816
Certifications SIL 2, ATEX/IECEx (optional), CE, UL
2. Speed Measurement
Feature Details
Input Signal Magnetic Pickup (MPU) or Proximity Probe
Range 1-50,000 RPM
Accuracy ±0.01% of reading (±1 RPM <100 RPM)
Resolution 0.1 RPM
Pulses/Rev 1-60 (programmable)
3. Protection & Control
Parameter Value
Setpoints 3 Independent (Warning/Danger/ESD)
Relay Outputs 4 SPDT (250VAC/5A, SIL-rated)
Response Time <10 ms
Trip Delay 0.1-60 sec (adjustable)
4. Electrical Specifications
Characteristic Specification
Power Supply 24 VDC (±10%) or 85-264 VAC (50/60 Hz)
Analog Output 4-20 mA (scalable to RPM)
Communication RS-485 (Modbus RTU), Ethernet (optional)
Display 5-digit LED (0.5" height)
5. Environmental Ratings
Condition Rating
Operating Temp. -30°C to +70°C
Humidity 5-95% RH (non-condensing)
Enclosure IP65 (front), IP20 (terminals)
Housing Aluminum alloy (powder-coated)
6. Mechanical Specifications
Attribute Value
Dimensions 96 × 96 × 150 mm (H×W×D)
Mounting Panel cutout (92×92 mm)
Weight 1.5 kg
7. Advanced Features
Self-diagnostics for sensor health monitoring

Redundant sensor input (dual-MPU support)

Event logging (last 10 trips)

Password-protected configuration

8. Ordering Options
TES835S-B: Base unit

TES835S-EX: ATEX Zone 1 certified

TES835S-SIL: SIL 2 compliant