26R1 RTD TRANSMITTER

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26R1 RTD TRANSMITTER
(non-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
 

MODEL: 26R1–[1][2][3]

ORDERING INFORMATION
• Code number: 26R1-[1][2][3]
Specify a code from below for each [1] through [3].
 (e.g. 26R1-41)
• Temperature range (e.g. 0 – 100°C)

[1] INPUT RTD (2- or 3-wire)
1: JPt 100 (JIS'89)
3: Pt 100 (JIS'89)
4: Pt 100 (JIS'97, IEC)
0 : User’s configuration (temp. range and burnout)
(Code 0 is available only for specific users with certain
calibration capabilities. Consult factory. When this code is
specified, burnout options are to be configured by the user.)
Note: Consult M-System for 2-wire RTD

[2] TEMPERATURE UNIT
1: °C
2: °F

[3] OPTIONS
Burnout
blank: Upscale burnout
/BL: Downscale burnout

GENERAL SPECIFICATIONS
Construction: Sensor head-mounting
Connection: Euro terminal
Applicable wire size: 0.14 – 1.5 mm2, stripped length: 6mm
Housing material: Flame-resistant resin (black)
Zero adjustment: -1 to +5 % (front)
Span adjustment: 95 to 105 % (front)
Linearization: Standard

INPUT SPECIFICATIONS
Maximum leadwire resistance: 20 Ω per wire (3-wire)
Sensing current: 1 mA
Temperature range
°C: 0 – 50, 0 – 100, 0 – 150, 0 – 200, 0 – 300,
0 – 400, 0 – 500, 0 – 650
°F: 0 – 100, 0 – 200, 0 – 300, 0 – 400, 0 – 600,
0 – 800, 0 – 1000, 0 – 1200

OUTPUT SPECIFICATIONS
Output: 4 – 20 mA DC
Load resistance vs. supply voltage:
Load Resistance (Ω) = (Supply Voltage (V) – 8.5 (V)) ÷ (0.02 (A))
(including leadwire resistance)

INSTALLATION
Supply voltage: 8.5 – 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: 30 g (1.1 oz)

PERFORMANCE in percentage of span
Accuracy: ±0.1 % or ±0.1°C (±0.2°F), whichever is greater.
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
  EN 50581

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

MOUNTING REQUIREMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Việt Nam

Email: Sales@m-system.com.vn

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