ES-3313 Rev.7
TR
Super-mini Two-wire Signal Conditioners T-UNIT
RTD TRANSMITTER
Functions & Features
• Accepting direct input from an RTD and providing a standard 4 – 20 mA DC signal
• Linearization
• Burnout protection
• Monitor terminals
• Highdensity mounting
Typical Applications
• Converting into standard output
MODEL: TR–[1][2]
ORDERING INFORMATION
• Code number: TR-[1][2]
Specify a code from below for each of [1] and [2].
(e.g. TR-4/BL)
• Temperature range (e.g. 0 – 100°C)
[1] INPUT RTD (2- or 3-wire)
1
: JPt 100 (JIS'89)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 50°C, 90°F)
3
: Pt 100 (JIS'89)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
4
: Pt 100 (JIS'97, IEC)
(Usable range: -200 to +650°C, -328 to +1202°F; min.span: 50°C, 90°F)
5
: Pt 50 Ω (JIS'81)
(Usable range: -200 to +500°C, -328 to +932°F; min.span: 100°C, 180°F)
Note: Consult us for 2-wire RTD
[2] OPTIONS
Burnout
blank
: Upscale burnout
/BL
: Downscale burnout
GENERAL SPECIFICATIONS
Construction
: Stand-alone; terminal access at the front
Connection
: Euro type terminal
(applicable wire size: 0.25 to 1.5 mm
2
, stripped length
7 mm)
Housing material
: Flame-resistant resin (black)
Zero adjustment
: -5 to +5 % (front)
Span adjustment
: 95 to 105 % (front)
Linearization
: Standard
INPUT SPECIFICATIONS
Maximum leadwire resistance
3-wire Pt 100: 5 Ω per wire
3-wire Pt 50 Ω: 2.5 Ω per wire
Sensing current
: 1 mA
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)
INSTALLATION
Supply voltage
: 12 – 28 V DC
Operating temperature
: -5 to +60°C (23 to 140°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 120 g (0.26 lb)
PERFORMANCE in percentage of span
Accuracy
: ±0.2 %
Temp. coefficient
: ±0.02 %/°C (±0.01 %/°F)
Response time
: ≤ 0.5 sec. (0 – 90 %)
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM