Yokogawa UT37 UT37E Digital Indicating Controller 

comes with what you see in the pictures. If you don't see it, you probably won’t get it. 

Specifications are from manufacturer and may vary slightly due to upgrades, options, or revisions this unit may or may not have. 

Discontinued – Replaced by UT4501 or UT551-1 

Suggested List Price: 

$700.50 (OEM 04/30/09 MQF) 

Model Number: 

UT37E (w/ hardware) 

Serial Number : 

N/A 

Electrical : 100-240VAC, 50/60Hz 

Includes Hardware 

Copy of User Manual & Calibration Instructions Included 

Product Description: 

The U37 digital indicating controller uses a universal input/output system. The UT37 is a highly accurate and sophisticated, easy-to-operate digital indicating controller with an input sampling period of 200ms and measurement accuracy of +0.2%. 

Features: 

Universal input/output system 

Simple operations (using four keys) 

Compact Size (96 x 96 x 100mm) 

SUPER function 

Coordinated operation 

Specifications: 

Input Sampling Period: 200ms 

Input Accuracy: ±0.2 (or ±0.25%) of F.S. ±1 digit 

Input Resistance: Thermocouple Input: 1M ohm or more; Voltage Input Approx: 1M ohms 

Permissible Signal Source Resistance: Thermocouple: 250 ohms or less; Voltage: 2K ohms or less 

Permissible Wiring Resistance: RTD Input: 10 ohms or less/wire 

Permissible Input Voltage: Thermocouple, DC Voltage/Current Input: Within ±10V 

Noise Rejection Ratio: Normal Mode: 40dB (50/60Hz) or more; Common Mode: 120dB (50/60Hz) or more 

Filter: OFF, 1 to 120 sec (first order lag. OFF: no filter) 

Measured Input Bias: -100.0 to 100% of measuring span 

Thermocouple Standards: IEC/DIN (U and L)/JIS 

RTD Standards: IEC/DIN/JIS ’89 JPT100, PT100 

Display Contents: Process Variable (PV), Setpoint/Parameter, Status Lamps (6) 

Process Variable Display: 4-digit, 7-segment LEDs (red) 

Setpoint or Parameter Display: 3-digit 4-digit, 7-segment LEDs (red) 

Deviation Monitor: Green LED lights when deviation is within ±1.0 of F.S. If deviation exceeds this range, Orange LED lights. 

Measured Input: Within instrument range 

Target Value (setpoint): 0 to 100% of the range 

Setpoint High and Low Limits: 0 to 100% of the range 

Proportional Band (P): 0.1 to 999.9% 

Integral Time (I): OFF, 1 to 6000sec (OFF: Integral action is OFF) 

Derivative Time (D): OFF, 1 to 6000sec (OFF: Derivative action is OFF) 

Thermocouple Input: 1°C to 0.1°C (1°F or 0.1°F) 

RTD Input: 0.1°C (0.1°F) 

Number of Selectable Setpoints: 2 

Number of PID Settings: 2 (to be set for each setpoint) 

Setpoint Selection: Voltage-free remote contact (External contact rating: 12VDC or more, 10mA or more) 

Output Type: Time proportional PID (relay output); Time proportional PID (voltage pulse output for driving external SSR); Continuous output PID (4 to 20mA DC output); ON/OFF (relay output) 

Relay Output Contact Rating: 250VAC, 3A (resistive load) 

Voltage Pulse Output: ON Voltage: Approx. 12VDC or more (load resistance: 60 ohms or more); OFF Voltage: 0.1VDC or less 

4 to 20mA DC Output: Load resistance of 600 ohms or less, accuracy of ±0.3% of F.S.; output updating period of 200ms 

Cycle Time: 1 to 240sec (relay and voltage pulse output) 

Output High and Low Limits: -5 to 105% 

Setting Alarm Function Content: Process variable high and low limits, deviation high and low limits, etc. (selectable for each point from among 20 types. Timer function can be specified) 

Alarm Value: 0 to 100% of the set range 

Number of Alarm Settings: 2 

Alarm Output: Relay output contact rating: 250VAC, 1 (resistive load) 

Display: LED lamp display on the front panel 

Operating Ambient Temperature: 0 to 50°C 

Operating Ambient Humidity: 20 to 90% R.H. (non-condensing) 

Operating Temperature Compensation Error: 0 to 50°C: ±1°C 

Magnetic Field: 400 AT/m or less 

Warm-Up Time: 30 min or more 

Ambient Temperature Effect: Input stability: within (±1uV/°C or ±0.01°C, whichever is greater); Output stability: within (4 to 20mA DC) ±0.05%/10V) 

Power Supply Variation: Input stability: within (±1uV/10V or ±0.01°C, whichever is greater); Output stability: within (4 to 20mA DC) ±0.05%/10V) 

Storage Temperature: -25 to 70°C 

Storage Humidity: 5 to 95% R.H. (non-condensing) 

Construction: Dustproof, drip-proof construction (front panel) 

Mounting: Flash mounting 

Case: Plastic molding (ABS resin) 

Dimensions: 96W x 96H x 100D mm 

Weight: Approx. 1kg 

Insulation Resistance: Between each terminal and ground: 20M ohms or more at 500VDC 

Withstand Voltage: Between power terminals and ground: 1500VAC for 1min; Between input terminals and ground: 1000VAC for 1min; Between output terminals and ground: 1500VAC for 1min 

Supply Voltage: 100 to 240VAC (universal power supply) (permissible supply voltage rang: 90 to 250VAC) 

Power Frequency: 50/60Hz common 

Power Consumption: Approx. 12A (100V) 

Memory Protection: Nonvolatile memory