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Configured for 85 V AC/V DC to 265 V AC/V DC, this rate meter suits industrial flow rate or total indication and alarm or control and product/piece counting or production rate indication. It has display range of 999999/-199999.
Configured for 85 V AC/V DC to 265 V AC/V DC, this rate meter suits industrial flow rate or total indication and alarm or control and product/piece counting or production rate indication. It has display range of 999999/-199999.
Panel meter 96 x 48 mm (1/8 DIN) and 6 digits with 14 mm digit height, configurable with 5 impulse counter modes, 2 ratemeter modes and a 1 periodmeter mode.
Omega's DPF20 Series of indicators offer real flexibility for measurement of a wide range of frequency or pulse inputs. The display is easily configured to indicate frequency, rate, period or count.
Highly configurable, accepts all types of sensors (NPN, PNP, push-pull, Namur, inductive, pick-up, mechanical, TTL, CMOS, ...) including quadrature signals (single and bidirectional encoder signals).
This makes the meter ideal for flow applications where they can display flow rate or total from a variety of different flow sensors. Or for quadrature signals, to indicate angular position or rotational speed and direction.
Options for output and control with 1, 2 and 3 relays, transistor outputs, SSR drive controls, isolated analog outputs, communications in Modbus RTU, RS-485 ASCII and RS-232. Special options with 4 and 6 relay outputs.
Independent alarms configurable as maximum or minimum, with 1 or 2 setpoints per alarm, hysteresis, independent activation and deactivation delays and control for inverted relay.
Connections by plug-in screw terminals. For industrial applications.
Features
Applications
| Series | DPF20 Series |
| Number of digits | 6 |
| Type | rate meter |
| Display | 7 segments led |
| Supply voltage | 85 V AC/V DC to 265 V AC/V DC |
| Digit color | red or green |
| Main Functions | Counter, ratemeter, period meter |
| Maximum reading | 999999 |
| Display Digits | 6 |
| Minimum reading | -199999 |
| Display Range | 999999/-199999 |
| Decimal point | configurable |
| Decimal Point | Configurable |
| Display refresh | 15 readings / second |
| LED Color | Red standard; green optional |
| Memory retention | yes, retains reading value in case of power loss |
| Digit Height | 0.55" (14 mm) |
| Signals accepted | NPN, PNP, Namur, pick-up, TTL, inductive, mechanical, quadrature |
| Signals Accepted | NPN, PNP, Namur, pick-up, TTL, inductive, mechanical, quadrature |
| Max. Vdc at input | ±30 Vdc |
| Excitation Voltage | 5 V DC, 9 V DC, 15 V DC, 18 V DC (maximum 70 mA) |
| Input impedance | 2K4 with pull-up or pull-down resistor, 470K without pull resistor |
| Maximum V DC at Input Terminals | ±30 V DC |
| Accuracy of the quartz | ±0.01 % |
| Input Impedance | 2.4 kΩ with pull-up or pull-down resistor; 470 k without resistor |
| Thermal drift | 20 ppm / °C |
| Scaling Factor | Multiplier and divider from 1 to 999999 |
| Excitation output voltage | +18 Vdc, +15 Vdc, +9 Vdc, +5 Vdc |
| Connections | Plug-in screw terminal |
| Excitation maximum current | 70 mA |
| Standard Power | 85 to 265 V AC/DC (isolated 2,500 V AC) |
| Excitation protection | yes, current limited to 70 mA |
| Low Power | 11 to 60 V DC and 24/48 V AC (isolated 1500 V AC) |
| Counter maximum frequency | 250 kHz in FAST mode, 9 kHz normal mode |
| Front Panel Protection | NEMA 4 (IP65) |
| Ratemeter maximum frequency | 500 kHz, minimum 1 mHz with SLOW mode active |
| Power Consumption | <1.5 W (meter only); <4.0 W (meter with options) |
| Periodmeter maximum frequency | 500 kHz, minimum 1 mHz with SLOW mode active |
| Quartz Accuracy | ±0.01% |
| Consumption | less than 1.5 W only meter, less than 4.0 W meter with options |
| Thermal Stability | 20 ppm/°C |
| Configuration | 3 buttons front keypad |
| Display Refresh | 15/second |
| Front protection | IP65 |
| Maximum Frequencies | Counter: up to 250 KHz; Ratemeter and Period Meter: up to 500 KHz |
| Mounting | panel |
| Minimum Frequencies | Down to 1 mHz (0.001 Hz) (ratemeter and period meter) |
| Connections | plug-in screw terminal |
| Warm Up | 15 minutes |
| Housing material | ABS, polycarbonate (V0) |
| Front Panel Size | 3.78 x 1.89" (96 x 48 mm) |
| Operating temperature | 32°F to 122°F (0°C to 50°C) |
| Panel Cut-Out | 3.62 x 1.73" (92 x 44 mm) |
| Storage temperature | -4°F to 158°F (-20°C to 70°C) |
| Depth Behind Panel | 3.58" (91 mm) including terminals |
| Warm-up time | 15 minutes |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Power | 85 to 265 Vac/dc |
| Storage Temperature | -4 to 158°F (-20 to 70°C) |
| Isolation | 2500 Veff (tested for 60 sec.) |
| Maximum V DC at Input Terminals | ±30 V DC |
| Dimensions | Front size: 3.78" x 1.89" (96 x 48 mm, 1/8 DIN) Panel cut-out: 3.63" x 1.74" (92 x 44 mm) Depth from panel: 3.58" (91 mm) (including terminals) |
| Configurable Reset | Front panel and rear remote reset, and reset linked to alarm activation |
| Weight | less than 150 grams |
| Preset | Configurable |
| Retention Memory | Recovers count value in case of power loss |
| Slow Function | For low frequency rate meter applications |
| Fast Function | For high frequency counter applications |
| Relay Output Option (R1) | 3 terminals (NC, NO, common) 250 V AC, maximum. 8A; isolation 3500 V AC; maximum current 8 A (resistive load); maximum voltage 250 V AC continuous |
| Transistor Output Option (T1) | Open Collector Output to control SSR relay with DC signal; isolation 3500 V DC opto-isolated; maximum voltage 35 V DC; maximum current 50 mA |
| SSR Control Option (SSR) | Output to control SSR, active or passive; DC Pulse; output voltage +15 V DC; maximum current 45 mA (passive); maximum external voltage 27 V DC |
| Analog Output Option (AO) | Output 4 to 20 mA or 0 to 10 V DC; isolation 1000 V DC; load impedances ≤350 Ω (4 to 20 mA active), ≥800 Ω, ≥10 KΩ (0 to 10 V DC); accuracy <0.1% FS; thermal stability 60 ppm/°C mA, 50 ppm/°C V DC; step response <75mS (to 99%) |
| Modbus RTU Option (RTU) | Function 4 Read_Input_Registers; addresses 01 to 247; Bus RS485; speed 57.6 Kbps to 600 bps; data format 8e1 (standard), 8o1, 8n2 |
| RS485 ASCII Option (S4) | ASCII protocol; isolation 1000 V DC; speed 57.6 Kbps to 600 bps; data format 8n1, 8o1, 8n2, 8e1; addresses 01 to 31; broadcast address 128 |
| RS232 ASCII Option (S2) | Retransmission of signal to allow "Daisy Chaining"; speed 57.6 kbps to 600 bps; data format 8n1 (standard), 8o1, 8n2, 8e1 |
| 4 Relays Option (R4) | 3 terminals (NC, NO, common) 250 V AC, maximum. 6A; isolation 2500 V AC; maximum current 6 A (resistive load); occupies 2 option slots |
| 6 Relays Option (R6) | 3 terminals (NC, NO, common) 250 V AC, maximum. 6A; isolation 2500 V AC; maximum current 6 A (resistive load); occupies all 3 option slots |
| Weight | <5.3 oz (<150 grams) |
| Series | DPF20 Series |
| Number of digits | 6 |
| Type | rate meter |
| Display | 7 segments led |
| Supply voltage | 85 V AC/V DC to 265 V AC/V DC |
| Digit color | red or green |
| Main Functions | Counter, ratemeter, period meter |
| Maximum reading | 999999 |
| Display Digits | 6 |
| Minimum reading | -199999 |
| Display Range | 999999/-199999 |
| Decimal point | configurable |
| Decimal Point | Configurable |
| Display refresh | 15 readings / second |
| LED Color | Red standard; green optional |
| Memory retention | yes, retains reading value in case of power loss |
| Digit Height | 0.55" (14 mm) |
| Signals accepted | NPN, PNP, Namur, pick-up, TTL, inductive, mechanical, quadrature |
| Signals Accepted | NPN, PNP, Namur, pick-up, TTL, inductive, mechanical, quadrature |
| Max. Vdc at input | ±30 Vdc |
| Excitation Voltage | 5 V DC, 9 V DC, 15 V DC, 18 V DC (maximum 70 mA) |
| Input impedance | 2K4 with pull-up or pull-down resistor, 470K without pull resistor |
| Maximum V DC at Input Terminals | ±30 V DC |
| Accuracy of the quartz | ±0.01 % |
| Input Impedance | 2.4 kΩ with pull-up or pull-down resistor; 470 k without resistor |
| Thermal drift | 20 ppm / °C |
| Scaling Factor | Multiplier and divider from 1 to 999999 |
| Excitation output voltage | +18 Vdc, +15 Vdc, +9 Vdc, +5 Vdc |
| Connections | Plug-in screw terminal |
| Excitation maximum current | 70 mA |
| Standard Power | 85 to 265 V AC/DC (isolated 2,500 V AC) |
| Excitation protection | yes, current limited to 70 mA |
| Low Power | 11 to 60 V DC and 24/48 V AC (isolated 1500 V AC) |
| Counter maximum frequency | 250 kHz in FAST mode, 9 kHz normal mode |
| Front Panel Protection | NEMA 4 (IP65) |
| Ratemeter maximum frequency | 500 kHz, minimum 1 mHz with SLOW mode active |
| Power Consumption | <1.5 W (meter only); <4.0 W (meter with options) |
| Periodmeter maximum frequency | 500 kHz, minimum 1 mHz with SLOW mode active |
| Quartz Accuracy | ±0.01% |
| Consumption | less than 1.5 W only meter, less than 4.0 W meter with options |
| Thermal Stability | 20 ppm/°C |
| Configuration | 3 buttons front keypad |
| Display Refresh | 15/second |
| Front protection | IP65 |
| Maximum Frequencies | Counter: up to 250 KHz; Ratemeter and Period Meter: up to 500 KHz |
| Mounting | panel |
| Minimum Frequencies | Down to 1 mHz (0.001 Hz) (ratemeter and period meter) |
| Connections | plug-in screw terminal |
| Warm Up | 15 minutes |
| Housing material | ABS, polycarbonate (V0) |
| Front Panel Size | 3.78 x 1.89" (96 x 48 mm) |
| Operating temperature | 32°F to 122°F (0°C to 50°C) |
| Panel Cut-Out | 3.62 x 1.73" (92 x 44 mm) |
| Storage temperature | -4°F to 158°F (-20°C to 70°C) |
| Depth Behind Panel | 3.58" (91 mm) including terminals |
| Warm-up time | 15 minutes |
| Operating Temperature | 32 to 122°F (0 to 50°C) |
| Power | 85 to 265 Vac/dc |
| Storage Temperature | -4 to 158°F (-20 to 70°C) |
| Isolation | 2500 Veff (tested for 60 sec.) |
| Maximum V DC at Input Terminals | ±30 V DC |
| Dimensions | Front size: 3.78" x 1.89" (96 x 48 mm, 1/8 DIN) Panel cut-out: 3.63" x 1.74" (92 x 44 mm) Depth from panel: 3.58" (91 mm) (including terminals) |
| Configurable Reset | Front panel and rear remote reset, and reset linked to alarm activation |
| Weight | less than 150 grams |
| Preset | Configurable |
| Retention Memory | Recovers count value in case of power loss |
| Slow Function | For low frequency rate meter applications |
| Fast Function | For high frequency counter applications |
| Relay Output Option (R1) | 3 terminals (NC, NO, common) 250 V AC, maximum. 8A; isolation 3500 V AC; maximum current 8 A (resistive load); maximum voltage 250 V AC continuous |
| Transistor Output Option (T1) | Open Collector Output to control SSR relay with DC signal; isolation 3500 V DC opto-isolated; maximum voltage 35 V DC; maximum current 50 mA |
| SSR Control Option (SSR) | Output to control SSR, active or passive; DC Pulse; output voltage +15 V DC; maximum current 45 mA (passive); maximum external voltage 27 V DC |
| Analog Output Option (AO) | Output 4 to 20 mA or 0 to 10 V DC; isolation 1000 V DC; load impedances ≤350 Ω (4 to 20 mA active), ≥800 Ω, ≥10 KΩ (0 to 10 V DC); accuracy <0.1% FS; thermal stability 60 ppm/°C mA, 50 ppm/°C V DC; step response <75mS (to 99%) |
| Modbus RTU Option (RTU) | Function 4 Read_Input_Registers; addresses 01 to 247; Bus RS485; speed 57.6 Kbps to 600 bps; data format 8e1 (standard), 8o1, 8n2 |
| RS485 ASCII Option (S4) | ASCII protocol; isolation 1000 V DC; speed 57.6 Kbps to 600 bps; data format 8n1, 8o1, 8n2, 8e1; addresses 01 to 31; broadcast address 128 |
| RS232 ASCII Option (S2) | Retransmission of signal to allow "Daisy Chaining"; speed 57.6 kbps to 600 bps; data format 8n1 (standard), 8o1, 8n2, 8e1 |
| 4 Relays Option (R4) | 3 terminals (NC, NO, common) 250 V AC, maximum. 6A; isolation 2500 V AC; maximum current 6 A (resistive load); occupies 2 option slots |
| 6 Relays Option (R6) | 3 terminals (NC, NO, common) 250 V AC, maximum. 6A; isolation 2500 V AC; maximum current 6 A (resistive load); occupies all 3 option slots |
| Weight | <5.3 oz (<150 grams) |
