Yokogawa Explosion-Proof Meters YPP6820 Rate/Total Meter • 4-20 mA input loop-powered • 5-digit rate display • 7-digit totalizer • 32-point, square root or exponential linearization • Rate in units per second, minute, hour, or day • Open collector pulse or alarm output • Loop or external DC-powered backlight • HART® protocol transparent YPP6830 Pulse Input Rate/Total Meter • Pulse, open collector, NPN, PNP, TTL, switch contact, sine wave (coil), square wave, optoisolated inputs • 5-digit top display for Rate or Total • 7 alphanumeric character lower display for Rate, Total, Grand Total, Units, and Tag • 13-digit Totalizer with total overflow feature • Isolated 4-20 mA output for Rate, Total, or Grand Total • 2 isolated open collector pulse outputs, to 5 kHz • Battery, DC, or output loop-powered models • Gate function for rate display of slow pulse rates • K-Factor, scaling, or live input calibration with 32-point linearization • Automatic Rate, Total, and Grand Total unit conversions • 1024 point on-board data logging • Modbus communication RS-485 options YPP6870 Process Meter • 4-20 mA input • 3½ digit, 1" (25.4 mm) display • 1 V drop (4 V with backlight) • Loop-powered backlight option • HART® protocol transparent 37b YPP6820 YPP6830 YPP6870 YPP6801 PROCESS METER YPP6801 Level Meter • Display level in feet & inches • 4-20 mA input loop-powered • Lower display for tag, volume, or % • 20-segment tank level bargraph • 32-point linearization • Live input calibration • Open collector alarm output • Loop or external DC-powered backlight RATE/TOTAL LEVEL METER • Die-cast NEMA 4X, IP68 enclosures • 90º rotatable display with wide viewing angle • Two ¾" NPT conduit holes • Flanges for wall or pipe mounting • Through-glass button programming • Password protection • FM, CSA, ATEX, and IECEx approvals • Easy field setup and wiring SPECIFICATIONS Voltage Drop Power Options YPP6801 Level Meter 4-20 mA ±0.03% of span ±1d 5-digit Feet & Inches 0.7" (17.8 mm) 0.4" (10.2 mm) 399' 11" N/A N/A Front Panel, Through-glass 3.0 V (6.0 V*) Input Loop YPP6820 Rate/Total 4-20 mA ±0.03% of span ±1d 5-digit Decimal 0.7" (17.8 mm) 0.4" (10.2 mm) 99,999 9,999,999 Dual Front Panel, Through-glass 3.0 V (6.0 V*) Input Loop Backlight Standard Standard Model Meter Type Input Accuracy Display Type Upper Display Lower Display Process/Rate Total Rate & Total Programming Method YPP6830 Rate/Total Pulse --5-digit Decimal 0.7" (17.8 mm) 0.4" (10.2 mm) 99,999 9,999,999 Dual Front Panel, Through-glass N/A Output Loop, Battery, 12-36 VDC Standard YPP6870 Process 4-20 mA ±0.1% of span ±1d 3½ digits Decimal 1.0" (25.4 mm) None 1,999 N/A N/A Front Panel 1.0 V (4.0 V*) Input Loop Optional Common Specifications: Temperature: -40 to 75°C operating, <90% RH non-condensing Enclosure: die cast aluminum NEMA 4X, IP68 explosion-proof Mounting: Wall, pipe, conduit Connections: Screw terminals accept 12-22 AWG wire Approvals: FM , CSA, ATEX, IECEx, CE Dimensions: 5.25" x 5.65" x 4.86" (134 x 144 x 124mm) Warranty: 3 years standard * with backlight ORDERING INFORMATION YPP6801-0K1 YPP6820-0K1 YPP6830-AP0-0 YPP6830-APA-0 YPP6830-BM0-0 YPP6830-BMA-0 YPP6830-BTA-0 Feet & Inches Meter with Backlight & Open Collector Output Analog Input Rate/Totalizer with Backlight Pulse Input Rate/Totalizer, DC powered Pulse Input Rate/Totalizer, DC powered with isolated loop output Pulse Input Rate/Totalizer, Battery powered (or DC with battery backup*) Pulse Input Rate/Totalizer, Battery powered (or DC with battery backup*) w/ isolated loop output Pulse Input Rate/Totalizer, Battery powered (or DC with battery backup*) w/ output loop-powered backlight and isolated loop output YPP6830-CTB-0 Pulse Input Rate/Totalizer, Output loop powered with loop output YPP6830-DTB-0 Pulse Input Rate/Totalizer, Output loop with battery backup* (or battery powered) w/ loop output YPP6870-0L0 Large Display Process Meter YPP6870-0K0 Large Display Process Meter with Backlight YPP6830 options (not available on -CTB and -DTB versions): 2-wire RS-485 connection with Modbus protocol: Replace ending -0 in part number with -M.** Isolated signal 2-wire RS-485 with Modbus protocol: Replace ending -0 in part number with -I. ** * Battery will provide backup power when other power supply is lost. **RS-485 communication functions only when powered by DC.