26RS-4

26RS MSYSTEM | Alldatasheet

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Technical content

MODEL: 26RS 26RS SPECIFICATIONS ES-4266 Rev.8 Page 1/3 https://www.m-system.co.jp/ Head-mounted Two-wire Signal Conditioners 26-UNIT RTD TRANSMITTER (isolated) Functions & Features

• Accepts direct input from an RTD and provides a standard 4 – 20 mA DC signal
• Linearization and burnout
• Wide operating temperature range suitable for harsh environments Typical Applications
• Mounting in a sensor connection head minimizes noise effect and signal degradation 5 4 3 2 1 43.5 (1.71) DIA. (.98) mm (inch) MODEL: 26RS–[1][2]

ORDERING INFORMATION

• Code number: 26RS-[1][2] Specify a code from below for each of [1] and [2]. (e.g. 26RS-4/K/BL)
• Temperature range (e.g. 0 – 100°C) [1] INPUT RTD (2- or 3-wire) 1: JPt 100 (JIS ’89) (Usable range: -100 to +500°C, -148 to +932°F, min.span: 50°C, 90°F) 3: Pt 100 (JIS ’89) (Usable range: -100 to +650°C, -148 to +1202°F, min.span: 50°C, 90°F) 4: Pt 100 (JIS ’97, IEC) (Usable range: -100 to +850°C, -148 to +1562°F, min.span: 50°C, 90°F) 5: Pt 50Ω (JIS ’81) (Usable range: -100 to +500°C, -148 to +932°F, min.span: 100°C, 180°F) 6: Ni 508.4 Ω (Usable range: -50 to +200°C, -58 to +392°F; min.span: 30°C, 54°F) Note: Consult M-System for 2-wire RTD [2] OPTIONS (multiple selections) Response Time (0 – 90 %) blank: Standard (≤ 0.5 sec.) /K: Fast Response (Approx. 25 msec.) Burnout blank: Upscale burnout /BL: Downscale burnout GENERAL SPECIFICATIONS Construction: Sensor head-mounting Connection: Euro type terminal Applicable wire size: 0.14 – 1.5 mm2, stripped length 6 mm Housing material: Flame-resistant resin (black) Isolation: Input to output Zero adjustment: -1 to +1 % (front) Span adjustment: 99 to 101 % (front) Linearization: Standard INPUT SPECIFICATIONS Maximum leadwire resistance: 20 Ω per wire (3-wire) Sensing current: 0.7 mA (Pt); 0.35 mA (Ni 508.4 Ω) OUTPUT SPECIFICATIONS Output: 4 – 20 mA DC Load resistance vs. supply voltage: Load Resistance (Ω) = (Supply Voltage (V) – 12 (V)) ÷ 0.02 (A) (including leadwire resistance) 10 12 15 20 25 30 32 200 400 600 800 1000 LOAD RESISTANCE [Ω] SUPPLY VOLTAGE [V] (600Ω maximum at 24V DC) INSTALLATION Supply voltage: 12 – 32 V DC Operating temperature: -40 to +85°C (-40 to +185°F) Operating humidity: 0 to 90 %RH (non-condensing) Mounting: Head-mounting (DIN type B head) Weight: 20 g (0.71 oz) PERFORMANCE in percentage of span Accuracy: ±0.2 % Temp. coefficient: ±0.02 %/°C (±0.01 %/°F) Burnout response: ≤ 10 sec. Insulation resistance: ≥ 100 MΩ with 500 V DC Dielectric strength: 2000 V AC @1 minute

MODEL: 26RS 26RS SPECIFICATIONS ES-4266 Rev.8 Page 2/3 https://www.m-system.co.jp/ (input to output to ground) STANDARDS & APPROVALS EU conformity: EMC Directive EMI EN 61000-6-4 EMS EN 61000-6-2 RoHS Directive EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch) 43.5 (1.71) 33 (1.30) 2–4.2 (.17) dia. MTG HOLE 7.0 (.28) dia.SPAN ADJ. ZERO ADJ. 25 (.98) 15.5 (.61) 54321 MOUNTING REQUIREMENTS unit: mm (inch) 33 (1.30)2–4.2 (.17) dia. MTG HOLE M4 SCREWS SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM A B B RTD IsolationSZ Voltage Amplifier Burnout Linearizer Constant Current Differential Amplifier Reference Resistor LOAD OUTPUT 24V DC 4 – 20mA DC Output Driver

MODEL: 26RS 26RS SPECIFICATIONS ES-4266 Rev.8 Page 3/3 https://www.m-system.co.jp/ Specifications are subject to change without notice.