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Simpson M245 DC Process Digital Panel Meter
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Features:
- Minimum Depth Indicator - Less than 2.5” (60mm) of Space
Required Behind the Panel
- Stackable Mounting Bracket for Easy Installation
- 4-1/2 Digit, 0.5” (12.7mm) High LCD Display with
Optional Negative Image, Bright Red Backlighting
- Limited Range Display Scaling and Adjustable Offset
- Standard Screw Terminals for Easy Installation
- Four Ranges: 4-20mA, 1-5VDC, 0-10 VDC, 0-100VDC
- 85-250VAC or 9-32VDC Power
- Scaled 0-100%
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Description
| Simpson’s Mini-Max Process Indicators
provide high quality, accuracy and reliability in a compact, 60mm
deep case. Units offer 4-1/2 digit, 0.5” (12.7mm) LCD display
and are available with a bright red, negative image backlight option.
All units feature user-selectable decimal point, auto zero and limited
scaling capabilities. A unique mounting bracket is provided to allow
for vertical or horizontal stacking of multiple indicators. All
Mini-Max units feature a 3/64 DIN, high-impact plastic case. The
standard units have a clear viewing window, and the units with optional
negative image, red backlighting have a red window. |
Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| M245 |
4 Digit Mini-Max Process Indicator Panel |
| Call |  |
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Ordering Options
Specifications
| DISPLAY |
| Type |
7-segment LCD |
| Height |
0.5” (12.7mm) |
| Decimal point |
3-position programmable |
| Overrange indication |
Most significant digit =“1” |
| Backlighting |
Optional negative image, red backlighting |
| Polarity |
Auto with “-” indication, “+” implied |
| POWER REQUIREMENTS |
| AC Volt |
85-250VAC @40-440Hz |
| DC Volt |
9-32VDC |
| Power Consumption |
85-250VAC: 2.5VA min/4VA max
9-32VDC: 1.5VA min/3VA max
Rated Circuit to Ground Voltage: 750VRMS |
| ACCURACY @ 25°C |
±(0.5% of reading + 5 count) |
| ENVIRONMENTAL |
| Operating Temperature |
0 to 55°C |
| Storage Temperature |
-10 to 60°C |
| Relative Humidity |
0 to 85% non condensing @ 40°C |
| Temperature Coefficient |
(± 0.02% of input ± 0.2 digits)/C |
| Warmup time |
Less than 20 minutes |
| NOISE REJECTION |
| NMRR |
60dB, 50/60Hz |
| CMRR |
(w/1K unbalanced @ 60Hz): 90dB min |
| ANALOG TO DIGITAL CONVERSION |
| Technique |
Integrating |
| Rate |
3 samples/second-typical |
| MECHANICAL |
| Bezel |
0.95” x 2.84” (24mm x 72mm) |
| Depth |
2.36” (60mm) |
| Panel cutout |
0.88” x 2.68” (22.2mm x 68mm) |
| Weight |
3.5oz (99g) |
| Case Material |
94-0,UL-rated, glass-filled thermoplastic |
| INPUTS |
DC Process
Range |
Resolution |
Voltage Drop |
Maximum Input(unfused) |
4-20mA |
0.1% |
200mV |
100mA |
1-5 VDC |
0.1% |
10M |
750V |
0-10VDC |
0.1% |
10M |
750V |
0-100VDC |
0.1% |
10M |
750V |
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