simpson M235&M245 Digital Panel Meters,

• Shallow 2.36" (60mm) deep case fits 3/64 DINcutout
• Unique mounting bracket allows stacking ofmultiple meters in same panel cutout
• 3 1/2 or 4 1/2 digit, 0.5" (12.7 mm) high LCDdisplay with optional negative image red backlight; 4 digit LEDdisplay on temperature 

• DISPLAY Type Height Decimal point Overrange indication Backlighting Polarity POWER REQUIREMENTS AC Volt DC Volt Power Consumption 85-250VAC 9-32DCV Rated Circuit to GroundVoltage ACCURACY @ 25°C 200 Hz 2 KHz DC V & A M235 DC V & A M245 DC 2A M235 & M245 DC 5A M235 & M245 AC TRMS V & A M235 AC TRMS V & A M245 AC Amps M235 AC Amps M245 DC Process M235 DC Process M245 Excitation Max. Current ENVIRONMENTAL Operating Temperature Storage Temperature Relative Humidity Temperature Coefficient Warmup time NOISE REJECTION NMRR CMRR A TO D CONVERSION Technique Rate FREQUENCY Technique: INPUT LEVEL (Frequency) MECHANICAL Bezel: Depth: Panel cutout: Weight: Case Material:

  7-segment LCD 0.5" (12.7mm) 3 or 4 position user-programmable Most significant digit ="1", other digitsblank Optional negative image, redbacklighting Auto with "-" indication, "+" implied     85-250VAC @40-440Hz 9-32DCV   2.5VA min/4VA max 1.5VA min/3VA max 750VRMS   ±0.2% of input ± 0.2Hz ±0.2% of input ±2 Hz ±0.1% of reading + 1 count ±0.04% of reading + 1 count ±0.25% of reading + 1 count ±0.5% of reading + 1 count ±0.5% of reading + 5 counts ±0.5% of reading + 50 counts +1% of reading + 5 counts +1% of reading + 50 counts ±0.02% of reading + 1 count ±0.02% of reading + 1 count 25mA   0 to 55°C -10 to 60°C 0 to 85% non condensing @ 40°C 0.02% of input ± 0.2 digits/°C Less than 20 minutes   60dB, 50/60Hz (w/1K􀀺 unbalanced @ 60Hz) 90dB min   Integrating 3 samples/second typical   Frequency-to-voltage 500mV to 750VRMS at 1.0M􀀺impedance OR 5V to 24V Square Wave (DC offset 2Vmax) 0.94” x 2.83” 2.36" 0.89" x 2.71" (22.6mm x 68.8mm) 3.5oz (99g) 94-0,UL-rated, glass-filled thermoplastic

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• M235-1-0-11-0,M235-1-0-12-0, M235-1-0-13-0, M235-1-0-14-0,M235-1-0-15-0,

  M235-1-0-21-0,M235-1-0-22-0, M235-1-0-23-0, M235-1-0-24-0,M235-1-0-25-0,

  M235-1-0-31-0,M235-1-0-32-0, M235-1-0-33-0, M235-1-0-34-0,M235-1-0-35-0,

  M235-1-0-41-0,M235-1-0-42-0, M235-1-0-43-0, M235-1-0-44-0,M235-1-0-45-0,

  M235-1-0-46-0,M235-1-0-71-0, M235-1-0-72-0, M235-1-0-73-0,M235-1-0-74-0,

  M235-1-2-11-0, M235-1-2-12-0, M235-1-2-13-0, M235-1-2-14-0,M235-1-2-15-0,

  M235-1-2-21-0, M235-1-2-22-0, M235-1-2-23-0, M235-1-2-24-0,M235-1-2-25-0,

  M235-1-2-31-0, M235-1-2-32-0, M235-1-2-33-0, M235-1-2-34-0,M235-1-2-35-0,

  M235-1-2-41-0, M235-1-2-42-0, M235-1-2-43-0, M235-1-2-44-0,M235-1-2-45-0,

  M235-1-2-46-0, M235-1-2-71-0, M235-1-2-72-0, M235-1-2-73-0,M235-1-2-74-0,

   

  M245-1-0-11-0,M245-1-0-12-0, M245-1-0-13-0, M245-1-0-14-0,M245-1-0-15-0,

  M245-1-0-21-0,M245-1-0-22-0, M245-1-0-23-0, M245-1-0-24-0,M245-1-0-25-0,

  M245-1-0-31-0,M245-1-0-32-0, M245-1-0-33-0, M245-1-0-34-0,M245-1-0-35-0,

  M245-1-0-41-0,M245-1-0-42-0, M245-1-0-43-0, M245-1-0-44-0,M245-1-0-45-0,

  M245-1-0-46-0,M245-1-0-71-0, M245-1-0-72-0, M245-1-0-73-0,M245-1-0-74-0,

  M245-1-2-11-0, M245-1-2-12-0, M245-1-2-13-0, M245-1-2-14-0,M245-1-2-15-0,

  M245-1-2-21-0, M245-1-2-22-0, M245-1-2-23-0, M245-1-2-24-0,M245-1-2-25-0,

  M245-1-2-31-0, M245-1-2-32-0, M245-1-2-33-0, M245-1-2-34-0,M245-1-2-35-0,

  M245-1-2-41-0, M245-1-2-42-0, M245-1-2-43-0, M245-1-2-44-0,M245-1-2-45-0,M245-1-2-46-0, M245-1-2-71-0, M245-1-2-72-0, M245-1-2-73-0,M245-1-2-74-0,