Omega Products DMD-465-220V User Manual

STRAIN AMPLIFIER/SIGNAL CONDITIONER MODULES

FOR STRAIN GAGES, LOAD CELLS, AND TRANSDUCERS

Up to 2 kHz

DMD-460 Series

U Bridge Excitation

4 to 15 Vdc Up to 120 mA

U Works with 120, 350,

500 Ω and Greater Bridge Circuits

U Adjustable Gain and Offset U 6-Wire Bridge Connections U Voltage and Current

Output Versions

U 115 and 230 Vac, and

DC-Powered Models

Dynamic Response

DMD-465WB

DMD-465, shown smaller than actual size.

The DMD-460 Series bridge amplifiers are self-contained, ACor DC-powered, signal conditioning modules for strain gages, load cells, and bridge-type sensors. The DMD-465 contains a precision differential instrumentation amplifier with voltage output. The similar DMD-465WB has a frequency response to 2 kHz, while the DMD-466 has a 4 to 20 mA output instead of a voltage output.

SPECIFICATIONS

Common

Power: Standard 115 Vac or

optional 220 Vac ±10% 50/60 Hz or 10 to 36 Vdc 0.7 A @ 10V, 0.17 A @ 36V at maximum excitation load

Operating Temperature: 0 to 70°C (32 to 158°F)

Storage Temperature: -25 to 85°C (-13 to 185°F)

Weight: 510 g (18 oz) Size: 96 L x 51 W x 73 mm H

(3.75 x 2 x 2.87")

Bridge Supply

Excitation Voltage Range: 4 to 15 Vdc Current Output: 120 mA max Line and Load Regulation:

(0 to 100 mA) 0.05% max

Output Noise: 0.5 mVrms

Voltage Output DMD-465 and DMD-465WB

Gain Range: 40 to 250 (up to 1000 with

external resistor on DMD-465 only)

Dynamic Response: DMD-465: DC to -3 dB = 3 Hz DMD-465WB: DC to -3 dB = 2 kHz

Max Output (2 kΩ Load): ±10 Vdc Output Impedance: 0.01 to 1 Ω Output Offset: -5 to 2V

(DMD-465WB only)

Gain Temp Coefficient: 200 ppm/°C Input Bias Current: 30 nA Input Impedance: 3000 MΩ Output Noise (RTO): @ gain = 100

DMD-465: 120 µVrms DMD-465WB: 1 Hz to 2 kHz = 2 mV

Input Noise Line Frequency: 15 µV p-p Common-Mode Rejection: 90 dB @

gain 40, 100 dB @ gain 250 Common-Mode Input Voltage: ±15V

To Order

MODEL NO. DESCRIPTION

DMD-465 Voltage output DMD-465-220V 220 Vac powered DMD-465 DMD-465WB High-frequency voltage output DMD-465WB-220V 220 Vac powered DMD-465WB DMD-466 Current output (4 to 20 mA) DMD-466-220V 220 Vac powered DMD-466 DMD-466-DC 10 to 36 Vdc powered DMD-466 POWER CORD-SE Power cord with stripped end termination

Comes complete with operator’s manual. Ordering Examples: DMD-465WB, wide bandwidth amplifier/signal conditioner module with

115 Vac power. DMD-466, amplifier/signal conditioner module with 4 to 20 mA output.

Visit omega.com/dmd-465 for Pricing and Details

C-19

4 to 20 mA Transmitter DMD-466

Output: 4 to 20 mA, 0 to 20 mA Input Range for 20 mA Output:

10 mV min, 50 mV max

Zero Adjust: 0 to ±12 mA Linearity: ±0.05% FS Temperature Stability: 200 ppm/°C Input Impedance: 1000 MΩ Common-Mode Rejection: 90 dB Common-Mode Input Voltage: ±15V Compliance Voltage: 10 Vdc Output Noise: 1 µA rms @ gain

0.2 mA/mV, 1 to 100 Hz

Dynamic Response: DC to -3 dB = 3 Hz Response Time: To 99% of final value

200 ms, typical; to 99.9% of final value 300 ms, typical