Digital Meter / Printer
Integrating Digital Panel meter
(Pulse input)
MODEL 471B
- ■ Instantaneous measurement value like flow rate and totalized value can be displayed.
- ■ LCD display with large and clear characters.
- ■ Power supply can be selectable:
Free AC voltage or DC 24 V or DC 110 V. - ■ Protection rank of front panel is IP65
Model Designation
| 471B | - | □ | - | □ | - | □ | - | □ | - | □ |
| ① | ② | ③ | ④ | ⑤ |
① Power supply
| Code | Power Supply Voltage |
|---|---|
| A | AC 100 to 240 V |
| 9 | DC 24 V |
| C | DC 110 V |
② Sensor power supply
| Code | Output specification |
|---|---|
| X | None |
| 3 | DC 12 V ± 5 % 150 mA |
| 5 | DC 24 V ± 5 % 50 mA |
③ Comparative output
| Code | Output |
|---|---|
| X | None |
| 2 | With comparative output |
④ Analog output
| Code | description | Allowable load resistance |
|---|---|---|
| X | No output | --- |
| 04 | DC 0 to 5 V | More than 1 kΩ |
| 05 | DC 0 to 10 V | More than 1 kΩ |
| 09 | DC 1 to 5 V | More than 1 kΩ |
| 29 | DC 4 to 20 mA | Less than 510 Ω |
⑤ Digital output
| Code | Optional Output |
|---|---|
| X | No output |
| DN | BCD (Open collector/NPN) |
| E0 | RS-232C |
| E1 | RS-485 |
General Specifications
| Measurement input | Non-voltage contact, Open collector (NPN /PNP) Voltage pulse, DC 2 wire-system |
|---|---|
| Instantaneous value | |
| Display of instantaneous value | Display 1 or 2: 0 to 999999 Decimal point can be set in setting mode. With zero suppress, Over display functions |
| Display cycle | 100 ms, 1 s or 5 s |
| Pulse conversion | 1 x 10-6 to 1000 |
| Unit of time | hr, min, sec |
| Display accuracy | ± (0.05 % + 1 digit) at 23 ℃ ± 5 ℃ 45 to 75 %RH |
| Temperature coefficient | ± 200 ppm/℃ |
| Totalized value | |
| Display of totalized value | Display 1: 0 to 999999 (lower 6 digits) with Over display Display 2: 0 to 99999999 100 ms |
| Pulse coefficient | 1 x 10-9 to 9999 |
| Initial value of totalization | 0 to 999999 |
| Display cycle | 100 ms |
| Input frequency | HF range: 0.01 Hz to 1 kHz Pulse width 50 μs MF range: 0.01 Hz to 100 Hz Pulse width 5 ms LF range: 0.01 Hz to 20 Hz Pulse width 25 ms |
| Display | Display 1: Red or Green LCD Character height: 15.2 mm Display 2: White LCD Character height: 7.6 mm With no display function |
| Cut-off time | 0.1 to 199.9 s |
| Synchronized totalized pulse output (P.O.) | As totalized value is counted up、the pulse output is obtained. Output signal: Open collector output(NPN) DC 30 V 200 mA Pulse width: 100 ms, 5 ms, 50 μs |
| Pause/Latch | [Pause] Display of instantaneous and totalized values, data output are retained. Count of totalizing is stopped. [Latch] Display and data output of instantaneous and totalized values, and output are retained. Count of totalization and P.O output are continued. |
| Reset | Reset of totalization |
| Power failure compensation | Measurement data is held in nonvolatile memory. Date is retained for approx. 10 years. No counting during electricity failure. |
| Supply voltage | AC 100 to 240 V, DC 24 V or DC 110 V |
| Voltage tolerance of power supply | AC 90 to 250 V, DC 24 V ± 10 %, DC 100 to 170 V |
| Power consumption | AC 100 V: Approx. 11 VA, AC 220 V: Approx. 15 VA DC 24 V: Approx. 250 mA, DC 110 V: Approx.50 mA |
| Operating ambient environment | 0 to 50 ℃ |
| Storage temperature | -20 to 65 ℃ |
| Outer dimension | 90 (W) x 48 (H) x 133.3 (D) mm |
| Weight | Approx. 300 g |
| Protection | Front operation unit: IP65 Rear case: IP20 Terminals: IP00 |
| Installation | Using special bracket |
