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Analog Isolated Output 0 to 20mA or 0-10 Volt or 5V
 




Product ID:  LAO
Micron Meters Price $90.00 $85.50
(Savings: $4.50)
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Analog Output Module
The Micron analog output option board provides an isolated 0-10 Vdc voltage signal to drive a chart recorder, plus an isolated 0-20 mA or 4-20 mA current signal for transmission to a computer or central control room. This option is compatible with all Micron meters and counters, and turns these into highly accurate, sourcing, 4-wire transmitters. The output for thermocouples, RTDs and custom curves is linearized to the displayed reading.
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Features
  • 0-20 mA or 4-20 mA plus 0-10 Vdc
  • Outputs linearized to reading
  • ±0.025% resolution
  • ±0.05% full scale accuracy
  • Isolation to 250 Vac
  • Scale and offset via front panel or RS-232, RS-485
  • 60 Hz update rate
  • 12 V compliance at 20 mA
  • Output derived from filtered or unfiltered signal input
  • Certified to UL 61010C-1 (UL Mark), EN 61010-1 (CE Mark), and RoHS
 

Tech Note
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Datasheet
DESCRIPTION:
The Micron analog output option board provides an isolated 0-10 Vdc voltage signal to drive a chart recorder, plus an isolated 0-20 mA or 4-20 mA current signal for transmission to a computer or central control room. This option is compatible with all Micron meters and counters, and turns these into highly accurate, sourcing, 4-wire transmitters. The output for thermocouples, RTDs and custom curves is linearized to the displayed reading.

A 12-bit D-to-A converter provides 0.025% resolution and ±0.05% full scale accuracy (1 LSB). The update rate for meters is a fast 56/s at 60 Hz power or 47/s at 50 Hz power, as determined by the meter. The analog output can track the unfiltered signal for fastest response, or the digitally filtered signal for best noise rejection.

Scaling of the output is easily entered via front panel pushbuttons or via the serial digital interface. The displayed readings to produce the low and high analog outputs may be set to any value from -99,999 to +99,999 for DPMs, or -999,999 to +999,999 for counters.

Both the current (0-20 mA or 4-20 mA) or voltage ( 0-10 V) outputs are available at the same time, and the same scaling applies to both. The selected output selected output is calibrated to ±0.05% accuracy, while the non-selected output is only accurate to ±2%.

Isolation is provided by a separate on-board power supply, which is powered by the meter. This supply can drive 20 mA of current into loads up to 600 ohms for 12 V compliance. Isolation to signal ground and power ground eliminates problems caused by ground loops.

The addition of the analog output option turns Micron temperature meters into superb, isolated, linearized, 4-20 mA temperature transmitters with exceptional accuracy and high-speed response.