UM33A-000-11 | Yokogawa Compact Digital Alarm Indicator

Yokogawa UM33A-000-11 Digital Indicator with Alarm Functions – Product Description

Overview

The Yokogawa UM33A-000-11 is a high-precision digital indicator designed to monitor and display process variables reliably. Moreover, it integrates alarm functions for safety and control, making it ideal for industrial automation, chemical plants, and power generation facilities. Its compact DIN panel design saves space while providing fast and accurate readings.

Technical Specifications

Input

• DC Current: 4–20 mA

• DC Voltage: 1–5 V DC

• Thermocouples: K, J, T, R, S

• RTD: Pt100, JPt100

• Accuracy: ±0.1% of full scale (typical)

• Sampling Cycle: 250 ms

Output

• Alarm Outputs: Up to 2 relay contacts

• Contact Rating: 250 V AC, 3 A resistive

• Optional Retransmission: 4–20 mA DC

Display

• Type: 5-digit LED digital display

• Range: −19999 to +19999

• Indicators: Alarm status, input type, and engineering units

Power Supply

• Rated Voltage: 100–240 V AC, 50/60 Hz

• Power Consumption: Approx. 10 VA

Mechanical

• Mounting: Panel-mounted (DIN 96 × 48 mm cutout)

• Dimensions (W × H × D): 96 × 48 × 100 mm

• Weight: 0.5 kg

• Protection: Front panel IP66

Environmental & Compliance

• Operating Temperature: 0 °C to +50 °C

• Storage Temperature: −20 °C to +70 °C

• Relative Humidity: 20–90% non-condensing

• Certifications: CE, UL, CSA

• Origin: Japan

FAQ

Q1: What input types does UM33A support?
It supports 4–20 mA DC, 1–5 V DC, thermocouples, and RTD sensors.

Q2: How many alarm outputs are available?
The unit provides up to 2 relay outputs for alarm signaling.

Q3: Is the display suitable for harsh environments?
Yes, the front panel is IP66 rated, making it dustproof and waterproof.

Q4: What is the sampling cycle?
The device samples input signals every 250 milliseconds.

Q5: Can the unit retransmit signals?
Yes, optional 4–20 mA retransmission of measured values is available.