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DM28 Economical Digital Process and Strain Gauge Panel Meter
Brand: Gems Sensors, Inc
The DM28 meter line is easily programmed to read out in any engineering units (psi, bar, kg/cm 2 ) and can be retro fitted in the field with plug in boards.
Units can be scaled by applying known loads to the sensors or purely by software keystrokes without requiring any electronic instrumentation.
Scaling the meter using up to 10 points can compensate for non-linear signals and profi ling curved tanks in level applications. The display color (red or green), latching or non-latching alarms and the optional Analog outputs are all programmable.
The meter also features a help character that indicates max, min and normal operation, it also gives additional help when programming.
The DM28 meter line is available in 5 different models, the specifications below are for the process and strain gauge meter lines only.
Features- Easily scaled in any engineering units from -19999 to 99999
- Large 18 mm (0.71") high red or green display
- Front panel MIN, MAX and Alarm reset functions
- High or low alarms
- Process meters for amplified transducers
- Strain gauge meters for Millivolt transducers
Specifications
Brand
Accuracy
- Process: 0.01 %
- Strain: 0.03 %
Approvals & Certifications
- CE
Display
- 5-Digit, Red or Green LED, 18 mm (0.71”) Height
Electrical Connectors
- Terminals (Screw Typical)
Environmental Protection
- IP65
- NEMA 4X
Humidity
- 20 to 95 % Relative Humidity, Non-Condensing
Input
- 0-10 V
- 0-20 mA
- 0-5 V
- 100 mV
- 10-50 mA
- 1-5 V
- 2 to 10 V
- 4-20 mA
Mounting
- Panel Mount
Operating Temperature
- 0° to 55° C (32° to 131° F)
Output
- Analog Output: 0-10 V (8-bits)
- Analog Output: Scalable 4-20 mA
- NPN Collector: Max.
- SPDT: 5 A at 120 Vac
Storage Temperature
- -20° to 80° C (-4° to 176° F)
Supply Voltage
- Meter Supply: 20-50 Vdc/ac Optional
- Meter Supply: 90-264 Vac at 50/60 Hz, 4 W
- Sensor Supply (Process Meter): 24 Vdc (Excitation) at 30 mA
- Sensor Supply (Strain Meter): 10 Vdc (Excitation) at 60 mA
- Sensor Supply (Strain Meter): 5 Vdc (Excitation) at 60 mA
Switch Quantity
- 2 Switches
Switch Type
- NPN
- SPDT
Temperature Coefficient
- Span: 25 ppm/°C