Multi Range Temperature Transmitter
for RTDs Analog Output

Features

  • Multi Range RTD Transmitter
  • Switch selectable ranges
  • Pt100 or Pt1000 versions
  • 2 or 3 wire configuration
  • Linearized analog outputs
  • Offset and Value adustments
  • Power on indicator
  • DIN rail mount
Measuring Ranges
for Pt100 °C
Measuring
Ranges Pt1000 °C
-50...0 -50...0
-50...50 -50...50
-30..20 -30...-20
-30..70 -30...-10
-20...30 -20...-10
-20...80 -20...0
0..50 -10...0
0...100 -10...10
0...150 0..10
0...200 0...20
0...300 0...30
0...450 0...40
0...600 0...50
  0...100
  0...150
  0...20

Temperature transmitter MU500 works with Pt100 or Pt1000 RTD (resistance thermometers) sensors.

The input circuit is filtered and isolated. The transmitter outputs industry standard signals for process control systems, either DC analog voltage 0/2-10 Volts or DC current 0/4-20 mA. The MU500 is set up using rotary and single DIP switches which define the range and output type

There are 13 different ranges for Pt100 version and 16 for Pt1000 sensors. See the table above.

 

MU500 multi range temperature transmitter - specifications

Power Supply 85 ... 265 V AC/110 ... 125 V DC or 10 ... 30 V AC/10 ... 42 V DC
 Frequency 40-400 Hz
 Consumption max. 2.2 W, max. 3.3 VA
 Working Temperature -10...+60 °C (14 ... 140 °F)
 Isolation Voltage 500 V AC according to VDE 0110 Gr. 2 between input/output/supply voltage
 Test Voltage 4kV= between input/output and supply
Inputs  
 Sensor Current Pt100 approx. 1 mA, Pt1000 approx. 0.25 mA (no self-heating)

 Cable Resistance

max. 100 Ω (operation with safety barriers possible) automatic compensation of cable resistance at 3-wire configuration
 Offset Adjust Pt100 approx. +/-8 Ω , ( × 20°C), Pt1000 approx. +/-8 Ω ( × 2°C)
(to compensate cable resistance at 2-wire configuration)
Span adjustable ca. +/-5 %
Line break or short cct output rises to max. value
Output  
Current Output 0 ... 20 mA, 4 ... 20 mA switch selectable, max. 1 k Ω load
Voltage Output 0 ... 10 V, 2 ... 10 V switch selectable
max. 15 mA load, short circuit proof (simultaneous to current output max. 5 mA)
Accuracy : ≤ 0.2 % ( ≤ 0.1 % factory calibration for one range available)
Temperature Coefficient ≤ 0.01 %/K
Current and voltage input ≤ 0.1 %
Case  
Dimensions 22.5 mm wide, 110 mm high, 75mm deep, T35 DIN rail mount
Weight ~ 200 g
Connection screw terminals with pressure plate, max. 2.5 mm²
Protection case IP40, clamps IP20 acc. to German BGV A3
Conformity CE EN55022, EN60555-2, IEC61000-4-4/5/11/13
       

Ordering and Configuration Information

Configure Part Number as Follows MU500-A-B choose options from below Configure and
order online
Parameter Selection
A) Choose Sensor Type A=51  Pt100 13 ranges
A=53  Pt1000 16 ranges
B) Choose Power B=0  85 - 265 VAC
B=5  10-30V AC/DC

 

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Keywords Temperature, Transmitter, Martens,
RTD, Resistance Thermometer MU500