TSURUGA MODEL 419A

Digital Intergrating Flow rate Meter

• ■ DIN 48x48 mm compact size
• ■ Dual display of flow rate and totalizer
• ■ Pulse output for total and 2 x preset output
• ■ Analog input of 419A and pulse input of 419B can be linked in series
•  
• Model Designation

• 419A	-	□	-	□	-	□	-	□
  		①		②		③		④

  ①Measuring input

  Code	Measuring range	Input impedance	Over load
  02	0 to 99.99 mV	More than 1 MΩ	DC ±250 V
  03	0 to 999.9 mV	More than 1 MΩ
  04	0 to 5 V	More than 1 MΩ
  05	0 to 9.999 V	More than 1 MΩ
  09	1 to 5 V	Approx. 1 MΩ
  23	0 to 999.9 μA	Approx. 100 Ω	DC ±50 mA
  29	4 to 20 mA	Approx. 12 Ω	DC ±150 mA
  29R	4 to 20 mA	Approx. 250 Ω	DC ±40 mA

  ②Power supply voltage

  Code	Power source voltage
  A	AC 100 to 240 V
  8	DC 12 V ±10%
  9	DC 24 V ±10%

  ③Power source for sensor

  Code	Output voltage	Output current	Ripple
  Blank	Not available
  3	12 V ±5%	60 mA	Less than 5%
  5	24 V ±5%	30 mA	Less than 5%

  ④Analog output, RS-485

  Code	Output specifications	Output impedance	Tolerable Load resistive
  Blank	-
  03	DC 0 to 1 V	Approx. 0.1 MΩ	More than 200 Ω
  04	DC 0 to 5 V		More than 1 kΩ
  05	DC 0 to 10 V		More than 2 kΩ
  09	DC 1 to 5 V		More than 1 kΩ
  29	DC 4 to 20 mA	5 MΩ	0 to 500 Ω
  E1	RS-485	-

  Basic Specifications

  Flow rate measurement

  Flow indication	0 to 9999: Red LED, Character 8mm High, with zero-suppress function. Programmable Decimal point　Over-range display
  Display blank	Changeover to be put on or off.
  Scaling	Full scale and Offset, Programmable 0 – 9999
  Resolution	1/9999
  Display cycle	Selectable from the front key. 100ms, 400ms, 1s, 2s, 5s
  Moving averaging	Selectable from the front key. 1, 2, 3, 4, 8, 16-time
  Accuracy	±0.2％ of SPAN at 23 ± 5°C　 45 to 75% RH
  Temperature drift	±200 ppm/°C
  Input method	Single ended, floating
  A/D conversion	V-F conversion method

  Flow totalize measurement

  Flow indication	0 to 99999: Green LED, Character 8mm High, with zero-suppress function. 5 or 10 significant digit: Over-range display: Display blank: Changeover to be put on or off.
  Integration constant	Values integrated in 1 hour at 100% input, programmable from the front key.
  Primary integrated value	from 0 to 99999, programmable from the front key
  Accuracy	±(0.2%+1digit) of rated value Rated value: theoretical value when input 100% continuously.
  Display cycle	approx. 100ms

  Common Specifications

  Cut off	0 to 10%: Programmable from the front key.
  Latch / Pause input	Latch: Hold display of instantaneous and integrating flow rate, and data output (except of Simultaneous pulse output). Accumulated integrated count will be operated. Pause: Hold display of instantaneous and integrating flow rate, and data output. Accumulated integrated count will be temporarily stopped. Non-voltage contact or open collector (NPN) DC 5 V, 10 mA
  Reset	reset to 0 or primary setting value
  Backup	An EEPROM retains the data of accumulated total flow when the power is interrupted. Keep 10 years.
  Output	relay contact: AC/DC 150 V, 80 mA
  Noise filter	50 dB at normal mode 110 dB at common mode 1000 V against the power line noises
  Withstand Voltage	Input terminals - External case: AC 1500 V each for 1min. Power supply terminals - External case: AC 1500 V each for 1min. Power supply terminals - Input and Output terminals: AC 1500 V each for 1min. Input terminals - Output terminals: AC 500 V each for 1min.
  Insulation Resistance	DC 500 V, More than 100 MΩ
  Power Supply	AC 100 to 240 V (50/60 Hz), DC 12 V ±10%, DC 24 V ±10%
  Allowable power	AC 90 to 250 V (50/60 Hz), DC 10.8 to 13.2 V, DC 21.6 to 26.4 V
  Power Consumption	Approx. 7.5 VA at AC 100 V, 10 VA at AC 200 V, 400 mA at DC 12 V, 250 mA at DC 24 V.
  Operating Temperature	0 to 50°C
  Storage Temperature	-20 to 70°C
  Weight	Approx. 160 g