M145-0-0-23-0 Simpson

Mini M135 & M145 Digital Panel Meters Specifications DISPLAY Type 7- segment LCD Height 0.5 (12.7mm) Decimal Point Position User-Selectable Overrange Indication Most significant = 1 other digits blank Backlighting Optional negative image, red backlighting at 5, 10. 12, 24 or 48 DCV 3/64 DIN Indicator Minimum depth - requires less than 0.7 Polarity Auto with - indication, + indication implied (17mm) behind the panel POWER REQUIREMENTS Snaps right into panel - no mounting DC Power 5V, +5V and +9V hardware required Low Power Indication included with 9V units Power supply current 2mA max Backlight supply current 50mA typical Input Specifications For 24 and 48 DCV, 10mA typical DC Voltage M135 Input Max Input ACCURACY 25C 3 1/2 digit: (0.1% of reading + 1 count) Range Resolution Impedance (Unfused) 4 1/2 digit: (0.04% of reading + 1 count) 200mV 100V >100M 50V 2V 1mV 10M 250V ENVIRONMENTAL 20V 10mV 10M 250V Operating Temperature 0 to 55C 200V 100mV 10M 250V Storage Temperature -10 to 60C Relative Humidity 0 to 85 non-condensing 40C DC Current Warmup time Less than 20 minutes M135 Voltage Max Input Temperature Coefficient (All inputs) Range Resolution Drop (Unfused) (0.02% of input 0.2 digit) / C 200A 100nA 200mV 10mA 2mA 1A 200mV 40mA NOISE REJECTION 20mA 10A 200mV 100mA NMRR 60dB, 50/60 Hz 200mA 100A 200mV 400mA CMRR (with 1K unbalanced 60Hz) 90dB min A TO D CONVERSION Technique Integrating Rate 3 samples/second-typical MECHANICAL Bezel 0.94 x 2.83 Depth 0.43 Panel cutout 0.89 x 2.71 (22.6 mm x 68.8 mm) Weight 1.0 oz. (28.3 g) Case Material 94-VO, UL-rated ABS 1 Rev. 05-19Mini M135 & M145 Digital Panel Meters Ordering Information - Mini indicators can be configured by making an entry in each section below . Example: M135-0-2-11-0 I I I I I Basic Unit Display DPM Function/ Backlight Power Range Power Supply Select From Each One Below Select From Each One Below Basic Unit Function / Range Backlight Power M135 3 1/2 Digit LCD 11 200 DCmV 0 None M145 4 1/2 Digit LCD 12 2 DCV 1 5 DCV 13 20 DCV 2 10 DCV Display 14 200 DCV 3 12 DCV 0 Non Backlit 4 24 DCV 1 Negative Red Backlight 21 200 DCA 5 48 DCV 22 2 DCmA DPM Power Supply 23 20 DCmA 0 + 5 DCV 24 200 DCmA 1 5 DCV 2 + 9 DCV Mounting Requirements - The Mini indicators require a panel cutout of 2.71 (68.8mm) wide by 0.89 (22.6mm) high, and a panel area of 0.94 (24mm) high by 2.83 (72mm) wide. The depth behind the panel, including terminals, is 0.7 (17.8mm). The front bezel protrudes 0.16 (4mm) from the front of the mounting surface. The unit will snap-mount into panels from 0.050 to 0.125 thick. A 12-pin connector with 6 wire leads is included with each unit for quick installation. Installation and Panel Cutout - 2.83 .16 .43 2.68 .86 .94 .89 2.71 .125 .29 2 Rev. 05-19