R Self-Powered Tachometer H7ER Subminiature Tachometers With Improved Appearance and Features H Large display with 8.6 mm (0.338 in) height H Available with backlit LCD H Revolutions displayed up to five digits H PNP/NPN DC voltage input available H Switchable dual revolution display type available (-NV1 models) extended up --1 to 10000 m rpm H Dual revolution display according to --1 encoder resolution used 1000 s --1 --1 rps /1000 m rpm or 1000.0 s --1 rps /1000.0 m rpm H NEMA 4/IP66 front H Replaceable battery H New black case Ordering Information J TACHOMETERS Count inputp Dispplayy Max. revolutions displayed (applicable encoder resolution) --1 --1 1000 s rps (1 pulse/rev.), 1000.0 s rps (10 pulse/rev.), --11 --11 11000000mm rrppmm ((6600ppuullssee//rreevv..)) 11000000..00mm rrppmm ((660000ppuullssee//rreevv..)) --1 10000 m rpm (60 pulse/rev.) (switchable) Partnumber PNP/NPN 7-segment LCD H7ER-NV-BH H7ER-NV1-BH universal DC with backlight voltltage inputi t 7-segment LCD H7ER-NV-B H7ER-NV1-B No-voltage input 7-segment LCD H7ER-N-B --- J MODELNUMBERLEGEND H7ER -N - 12 4 3 1.CountInput 3.CaseColor None: No-voltage input B: Black V: PNP/NPN universal DC voltage input 4.Display None: 7-segment LCD without backlight 2.NumberofDigits H: 7-segment LCD with backlight None: 4 digits 1: 5 digits 1H7ER H7ER J ACCESSORIES (ORDERSEPARATELY) Item Partnumber Replacement battery Y92S-36 Wire-wrap terminal (set of two terminals) Y92S-37 Panel-mountingg adaptp er 26 mm 45 mm Y92F-75 24.8 mm 48.8 mm Y92F-77B Specifications J GENERAL Item H7ER-NV-B H7ER-N-B H7ER-NV1-B H7ER-NV-BH H7ER-NV1-BH Operating mode Uptype Mounting method Panel-mounting External connections Screw terminals, wire-wrap terminals (See Note 3.) Display 7-segment LCD with or without backlight (character height: 8.6 mm) (See Note 4.) Number of digits 4 5 Count input PNP/NPN universal DC No-voltage input PNP/NPN universal DC voltage input voltage input Max. counting speed 1kHz 10 kHz --1 --1 Max.revolutions displayed(See 1,000 s rps (When encoder resolution of 1,000.0 s rps (When encoder Note5.) 1 pulse/rev is used.) resolution of 10 pulse/rev is used.) --1 --1 1,000 m rpm (When encoder resolution of 1,000.0 m rpm (When encoder 60 pulse/rev is used.) resolution of 600 pulse/rev is used.) --1 10,000 m rpm (When encoder resolution of 60 pulse/rev is used.) (Switchable with switch) Attachment Waterproof gasket, panel-mounting bracket, revolution unit labels (See Note 5.) Approved standard UL508, CSA C22.2 No.14, Lloyds Conforms to EN61010-1/IEC61010-1 (pollution degree2/overvoltage category III) Conforms to VDE0106/P100 Note: 1. Reset is not available. 2. When there is no input, the display will be 0.0 or 0. 3. Wire-wrap Terminals (Y92S-37) can be ordered separately. 4. Only PNP/NPN Universal DC voltage input models are available with a backlight. --1 --1 5. rpm, rps, s , and m , labels are included. J RATINGS Item H7ER-NVj-B H7ER-N-B H7ER-NVj-BH Supply voltage Backlight model: 24 VDC (for backlight lit) Not required (powered by battery) No-backlight model: Not required (powered by battery) High (logic) level: 4.5 to 30 VDC No voltage input Count input LowLow ((llogicogic)) levlevel:el: 00 ttoo 22VVDDCC MMaxaxiimmumumsshhorortt-cciirrccuuitit iimpedancmpedance:e: 1010 kk maxmax.. (Input impedance: Approx. 4.7 k) Short-circuit residual voltage: 0.5 V max. Reset input Minimumopen impedance: 750 k min. Max. counting speed 5-digit models: 10 kHz 1kHz 4-digit models: 1 kHz Minimumsignal width 10 kHz: 0.05 ms 1kHz:0.5ms Terminal screw tightening torque 0.98 NSmmax. Ambient temperature Operating: --10Cto55C(14F to 131F) with no icing Storage: --25Cto65C(--13F to 149F) with no icing Item H7ER-NVj-B H7ER-N-B H7ER-NVj-BH Ambient humidity Operating: 25% to 85% 2