DK794

DK790 LCD Digital Panel Meters Specifications Installation and Operating Instructions Epic Series - 4½ Digit LCD with Loop Powered Board FEATURES }} }} }} }} }} }} }} SPECIFICATIONS ORDERING INFO DISPLAY PART NUMBER Digits: Type: Backlighting: Polarity: Annunciators: Decimal Points: Overrange: 4 ½ digits (±19999 counts) 0.45" (11.4 mm) 7 segment LCD Optional Red Negative (red numbers/black background) Optional Green Negative (green numbers/black background) Optional Amber Negative (amber numbers/black background) Optional Green Positive (black numbers/green background) automatic, “-” displayed °F, °C, PSI, % user-selectable or V, A, KW, PF 4 position, user-selectable four lower order digits blank for inputs >19999 & < -19999 INPUTS Ranges: Configuration: Impedance: Accuracy: Conversion Rate: Normal Mode Rejection: Adjustments: Warmup: Temperature Coeff.: ENVIRONMENT Operating Range: Storage Range: POWER SUPPLY Optional Backlight: MOUNTING CONNECTION BACKLIGHT COLOR ±(0.1% fs + 2 count) 3 per second >30 dB @ 60 Hz span (gain) and zero (offset) with course setting 10 minutes typical ± 100 ppm per °C typical DK791*................................... NEG AMBER........................................ 24VDC DK793*....................................NEG GREEN.........................................24VDC DK794*......................................NEG RED...........................................24VDC DK795*....................................POS GREEN......................................... 24VDC *Add (P) for Power Engineering Units V, A, KW, PF ACCESSORIES PW2-24.......... Regulated 120V AC to 24V DC Power Supply CVC.......................................... Calibrator 0 to 50 °C -10 to 70 °C powered by the milliamp control loop 24 VDC at 35 mA typical snap-in bezel mount 2 screw terminal (4 with backlight) C-TON Industries BACKLIGHT POWER DK790*................................. NO BACKLIGHT........................................NONE 4-20 mA  DC bipolar differential 300Ω nominal @ 20 mA PERFORMANCE Low-cost, high-performance replacement for many OEM DPMs Optional RED, GREEN or AMBER backlighting Snap-in bezel mount eliminates mounting hardware Resistant to RF and EMI 4½ digits with high-contrast LCD 4-20 mA loop powered input User-selectable, displayed engineering units • PO Box 11746 • Memphis, TN 38111 • USA (603) 471-0158 • email: info@ctonindustries.com LCD Digital Panel Meters Specifications Installation and Operating Instructions DK790 Epic Series - 4½ Digit LCD with Loop Powered Board DIMENSIONS JUMPER SELECTION & WIRING 1. DECIMAL SELECTION: J7 J6 J5 J4 19999 1999.9 199.99 19.999 1.9999 2. J1, J2, J3 SELECTION: IF: MIN DISPLAY IS = 0 or MIN DISPLAY IS > 0 and MAX DISPLAY ÷ MIN DISPLAY ≥ 5 IF: J3 J2 J1 J3 J2 J1 MIN DISPLAY IS > 0 and MAX DISPLAY ÷ MIN DISPLAY < 5 3. SPAN JUMPER SECTION: SPAN FACTOR SET JUMPERS 0-12 L 10-22 M H 22-32 IF: MIN DISPLAY IS ≤ 0 or MIN DISPLAY IS > 0 and MAX DISPLAY ÷ MIN DISPLAY > 5 THEN: SPAN FACTOR = 2.5 (MAX DISPLAY - MIN DISPLAY) 4000 + 0.02 (MIN DISPLAY) - 0.004 (MAX DISPLAY) IF: MIN DISPLAY IS > 0 and MAX DISPLAY ÷ MIN DISPLAY ≤ 5 THEN: SPAN FACTOR = MAX DISPLAY - MIN DISPLAY 1600 4. ZERO (OFFSET) JUMPER SELECTION: ZERO FACTOR SET JUMPERS 0-3994 H M 3320-7314 L 6640-10634 IF: MIN DISPLAY IS ≤ 0 or MIN DISPLAY IS > 0 and MAX DISPLAY ÷ MIN DISPLAY > 5 THEN: ZERO FACTOR = (250000 + MIN DISPLAY) X (83834) - 73200 (250000 + 400 (SPAN FACTOR)) IF: MIN DISPLAY IS > 0 and MAX DISPLAY ÷ MIN DISPLAY≤ 5 THEN: ZERO FACTOR = 10634 - (MIN DISPLAY -400 (SPAN FACTOR)X 83834 250000 C-TON Industries • PO Box 11746 • Memphis, TN 38111 • USA (603) 471-0158 • email: info@ctonindustries.com