M&Amp;A Là Gì – Nơi Này Có Anh

Features

Fully scalable 3-1/2 digit process meter Accepts 4-20 mA, 10-50 mA, 0-10V, 0-200V signals Easy scaling via screwdriver 24 x 48 mm (0.94″ x 1.89″) bezel 10 mm (0.4″) high LED digits Isolated 10-30 Vdc power Detachable screw terminal connectors

The M-35 Microminiature Process Meter is the solution when panel space is limited or the size and weight of the indicator must be as small as possible. The bezel measures only 24 x 48 mm (0.94″ x 1.89″), yet the height of the red LED digits is a full 10 mm (0.4″).

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The M-35 is a fully scaleable 3 1/2 digit process meter for process signals. It is powered from 10-30 Vdc, so that it can run off batteries. Power and signal are isolated to 750 Vac to facilitate panel design, with no worries about ground loop errors. A detachable screw terminal connector provides a benefit rarely found on meters of this size.

Small size, low weight, and isolated DC power make the M-35 ideal for portable test equipment.

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The above diagram for a typical pressure monitoring / manometer application shows how simple the M-35 is to connect. The same DC source powers the transducer and meter. Only three field wires are required.

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A removable screw terminal is standard. The connector pin assignments as well as the zero and span adjustments are clearly labeled on the back of the meter.

Signal Display Electrical Mechanical Environmental

Signal ranges	4-20 mA, 10-50 mA, 0-10V, 0-200V
Input resistance	181Ω, 68Ω, 188 kΩ, 940 kΩ
Scaling method	Zero & span potentiometers
A/D conversion	Dual slope integration
Accuracy	±0.2% of range
Number of digits	3-1/2
Display range	±1999
Display type	Red LED
Digit height	10 mm (0.39″)
Decimal point selection	Plug-in jumpers behind front panel
Signal isolation	750 Vac
Power to meter	10-30 Vdc, 0.6 W
Bezel dimensions	24 x 48 mm (0.94″ x 1.89″), H x W
Panel cutout	22.5 x 45 mm (0.89″ x 1.77″), H x W
Depth behind panel	68 mm (2.68″) including connector
Electrical connections	Four screw terminals, detachable connector
Weight	60 g (2 oz)
Operating temperature	-20°C to 60°C (-4°F to 140°F)
Storage temperature	-40°C to 80°C (-40°F to 176°F)