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DI-5B Series Industrial Amplifiers

5B Series amplifiers are a legacy family of low cost, high performance, plug-in signal conditioning modules. For contemporary applications, they have been replaced by the 8B amplifier design, which is smaller and less costly.

Designed for industrial applications, 5B modules incorporate an innovative circuit design using transformer-based isolation. Combining 1500V rms continuous common mode voltage isolation, ±0.05% accuracy, small size and low cost, the 5B Series is an attractive alternative to expensive signal conditioners and in-house designs. Our DI-785 instruments accept up to 32 modules in any combination, providing an easy, safe, and flexible way to make industrial measurements. Other, now-obsolete products that support the 5B design are the model DI-75B channel expander and DI-715B Data Logger.

Use this page to screen isolated DI-5B amplifiers by measurement type.

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Measurement Type

AC/DC voltage (millivolt)
AC/DC voltage (volts)
4-20 mA process current
Thermocouple
RTD (2-,3-,4-wire)
AC True RMS voltage
Strain gauge-based sensor
Frequency (RPM)
Potentiometer (string pot)
AC/DC voltage with excitation

Reset

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Model Measurement Type Measurement Range Bandwidth Description Price
DI-5B30-01 AC/DC Millivolt ±10 mV 3 Hz Passes DC to near-DC signals $164
DI-5B30-02 AC/DC Millivolt ±50 mV 3 Hz Passes DC to near-DC signals $164
DI-5B30-03 AC/DC Millivolt ±100 mV 3 Hz Passes DC to near-DC signals $164
DI-5B31-01 AC/DC Volts ±1 V 3 Hz Passes DC to near-DC signals $164
DI-5B31-02 AC/DC Volts ±5 V 3 Hz Passes DC to near-DC signals $164
DI-5B31-03 AC/DC Volts ±10 V 3 Hz Passes DC to near-DC signals $164
DI-5B31-07 AC/DC Volts ±20 V 3 Hz Passes DC to near-DC signals $164
DI-5B31-09 AC/DC Volts ±40 V 3 Hz Passes DC to near-DC signals $164
DI-5B32-01 Process Current 4-20 mA 3 Hz Passes DC to 3 Hz signals $164
DI-5B32-02 Process Current 0-20 mA 3 Hz Passes DC to 3 Hz signals $164
DI-5B33-01 AC True RMS 0-100 mV rms 45 Hz to 10 kHz Passes 45 Hz to 10 kHz signals $266
DI-5B33-02 AC True RMS 0 to 1 V rms 45 Hz to 10 kHz Passes 45 Hz to 10 kHz signals $266
DI-5B33-03 AC True RMS 0 to 10 V rms 45 Hz to 10 kHz Passes 45 Hz to 10 kHz signals $266
DI-5B33-04 AC True RMS 0 to 150 V rms 45 Hz to 10 kHz Passes 45 Hz to 10 kHz signals $266
DI-5B33-05 AC True RMS 0 to 300 V rms 45 Hz to 10 kHz Passes 45 Hz to 10 kHz signals $266
DI-5B34-01 2- or 3-wire PT100 RTD -100°C (-148°F) to 100°C (212°F) 3 Hz Built-in RTD excitation $164
DI-5B34-02 2- or 3-wire PT100 RTD 0°C (32°F) to 100°C (212°F) 3 Hz Built-in RTD excitation $164
DI-5B34-03 2- or 3-wire PT100 RTD 0°C (32°F) to 200°C (392°F) 3 Hz Built-in RTD excitation $164
DI-5B34-04 2- or 3-wire PT100 RTD 0°C (32°F) to 600°C (1112°F) 3 Hz Built-in RTD excitation $164
DI-5B34C-01 2- or 3-wire PT100 RTD 0°C (32°F) to 120°C (248°F) 3 Hz Built-in RTD excitation $164
DI-5B34C-02 2- or 3-wire PT100 RTD 0°C (32°F) to 120°C (248°F) 3 Hz Built-in RTD excitation $164
DI-5B34C-03 2- or 3-wire PT100 RTD 0°C (32°F) to 160°C (320°F) 3 Hz Built-in RTD excitation $164
DI-5B34N-01 2- or 3-wire PT100 RTD 0°C (32°F) to 300°C (572°F) 3 Hz Built-in RTD excitation $164
DI-5B35-01 4-wire PT100 RTD -100°C (-148°F) to 100°C (212°F) 3 Hz Built-in RTD excitation $222
DI-5B35-02 4-wire PT100 RTD 0°C (32°F) to 100°C (212°F) 3 Hz Built-in RTD excitation $222
DI-5B35-03 4-wire PT100 RTD 0°C (32°F) to 200°C (392°F) 3 Hz Built-in RTD excitation $222
DI-5B35-04 4-wire PT100 RTD 0°C (32°F) to 600°C (1112°F) 3 Hz Built-in RTD excitation $222
DI-5B35C-01 4-wire PT100 RTD 0°C (32°F) to 120°C (248°F) 3 Hz Built-in RTD excitation $222
DI-5B35C-02 4-wire PT100 RTD 0°C (32°F) to 120°C (248°F) 3 Hz Built-in RTD excitation $222
DI-5B35C-03 4-wire PT100 RTD 0°C (32°F) to 160°C (320°F) 3 Hz Built-in RTD excitation $222
DI-5B35N-01 4-wire PT100 RTD 0°C (32°F) to 300°C (572°F) 3 Hz Built-in RTD excitation $222
DI-5B36-01 String Pot, Potentiometer 0 to 100 Ω 3 Hz Supports 2- and 3-wire sensors; Constant-current excitation output $222
DI-5B36-02 String Pot, Potentiometer 0 to 500 Ω 3 Hz Supports 2- and 3-wire sensors; Constant-current excitation output $222
DI-5B36-03 String Pot, Potentiometer 0 to 1k Ω 3 Hz Supports 2- and 3-wire sensors; Constant-current excitation output $222
DI-5B36-04 String Pot, Potentiometer 0 to 10k Ω 3 Hz Supports 2- and 3-wire sensors; Constant-current excitation output $222
DI-5B38-01 Strain Gauge-based Sensor ±10 mV measurement range
100Ω to 10kΩ bridge resistance
8 kHz 3.33 V excitation output $195
DI-5B38-02 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
8 kHz 10 V excitation output $195
DI-5B38-03 Strain Gauge-based Sensor ±10 mV measurement range
100Ω to 10kΩ bridge resistance
8 kHz 3.33 V excitation output $195
DI-5B38-04 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
8 kHz 10 V excitation output $195
DI-5B38-05 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
8 kHz 10 V excitation output $195
DI-5B38-06 Strain Gauge-based Sensor ±10 mV measurement range
100Ω to 10kΩ bridge resistance
8 kHz 3.33 V excitation output $195
DI-5B38-07 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
8 kHz 10 V excitation output $195
DI-5B38-100 Strain Gauge-based Sensor Programmable via Windows-based Application
120Ω to 10kΩ bridge resistance
Programmable ±0.5V to ±5V excitation output; 5 to 2500 Gains $695
DI-5B38-31 Strain Gauge-based Sensor ±10 mV measurement range
100Ω to 10kΩ bridge resistance
3 Hz 3.33 V excitation output $195
DI-5B38-32 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
3 Hz 10 V excitation output $195
DI-5B38-33 Strain Gauge-based Sensor ±10 mV measurement range
100Ω to 10kΩ bridge resistance
3 Hz 3.33 V excitation output $195
DI-5B38-34 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
3 Hz 10 V excitation output $195
DI-5B38-35 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
3 Hz 10 V excitation output $195
DI-5B38-36 Strain Gauge-based Sensor ±10 mV measurement range
100Ω to 10kΩ bridge resistance
3 Hz 3.33 V excitation output $195
DI-5B38-37 Strain Gauge-based Sensor ±10 mV measurement range
300Ω to 10kΩ bridge resistance
3 Hz 10 V excitation output $195
DI-5B40-01 AC/DC Millivolt ±10 mV 1 kHz Passes DC to 1 kHz signals $164
DI-5B40-02 AC/DC Millivolt ±50 mV 1 kHz Passes DC to 1 kHz signals $164
DI-5B40-03 AC/DC Millivolt ±100 mV 1 kHz Passes DC to 1 kHz signals $164
DI-5B41-01 AC/DC Millivolt ±1 V 1 kHz Passes DC to 1 kHz signals $164
DI-5B41-02 AC/DC Millivolt ±5 V 1 kHz Passes DC to 1 kHz signals $164
DI-5B41-03 AC/DC Millivolt ±10 V 1 kHz Passes DC to 1 kHz signals $164
DI-5B41-07 AC/DC Millivolt ±20 V 1 kHz Passes DC to 1 kHz signals $164
DI-5B41-09 AC/DC Millivolt ±40 V 1 kHz Passes DC to 1 kHz signals $164
DI-5B42-01 Process Current (w/Excitation) 4-20 mA 100 Hz Built-in 12 V dc power supply; Supports 2-wire sensors $222
DI-5B43-01 Voltage In with Excitation Out ±1 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-02 Voltage In with Excitation Out ±2 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-03 Voltage In with Excitation Out ±3 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-04 Voltage In with Excitation Out ±4 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-05 Voltage In with Excitation Out ±5 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-06 Voltage In with Excitation Out ±6 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-07 Voltage In with Excitation Out ±7 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-08 Voltage In with Excitation Out ±8 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-09 Voltage In with Excitation Out ±9 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B43-10 Voltage In with Excitation Out ±10 V 1 kHz 10 V excitation output; For dc LVDTs and other sensors $222
DI-5B45-01 Frequency (RPM) 0 to 500 Hz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B45-02 Frequency (RPM) 0 to 1 kHz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B45-03 Frequency (RPM) 0 to 3 kHz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B45-04 Frequency (RPM) 0 to 5 kHz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B45-05 Frequency (RPM) 0 to 10 kHz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B45-06 Frequency (RPM) 0 to 25 kHz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B45-07 Frequency (RPM) 0 to 50 kHz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B45-08 Frequency (RPM) 0 to 100 kHz 3 Hz Pulse or zero-crossing input; 5-V excitation output $195
DI-5B47B-11 B Type Thermocouple 500°C (932°F) to 1800°C (3272°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47E-08 E Type Thermocouple 0°C (32°F) to 1000°C (1832°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47J-01 J Type Thermocouple 0°C (32°F) to 760°C (1400°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47J-02 J Type Thermocouple -100°C (-148°F) to 300°C (572°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47J-03 J Type Thermocouple 0°C (32°F) to 500°C (932°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47J-12 J Type Thermocouple -100°C (-148°F) to 760°C (1400°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47K-04 K Type Thermocouple 0°C (32°F) to 1000°C (1832°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47K-05 K Type Thermocouple 0°C (32°F) to 500°C (932°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47K-13 K Type Thermocouple -100°C (-148°F) to 1350°C (2462°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47K-14 K Type Thermocouple 0°C (32°F) to 1200°C (2192°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47N-15 N Type Thermocouple -100°C (932°F) to 1300°C (2372°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47R-09 R Type Thermocouple 500°C (932°F) to 1750°C (3182°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47S-10 S Type Thermocouple 500°C (932°F) to 1750°C (3182°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47T-06 T Type Thermocouple -100°C (-148°F) to 400°C (752°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B47T-07 T Type Thermocouple 0°C (32°F) to 200°C (392°F) 3 Hz Passes DC to 3 Hz signals $222
DI-5B48-02 Accelerometer ±5 V 2.5 kHz to 20 kHz ±5 V excitation output; 1500 Isolation voltage $397