TSURUGA MODEL 451A
Quantity
Digital Panel Meter
- ¡ö Highly visible large LED Display
- ¡ö Grouped commonly-used parameters
- ¡ö Scaling, Average processing function, and Peak & Bottom hold function
- ¡ö Water- and dust-proof IP65 front panel
- ¡ö Pulse input 451A
- Model Designation
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451A - ¡õ - ¡õ - ¡õ - ¡õ - ¡õ ¢Ù ¢Ú ¢Û ¢Ü ¢Ý ¢ÙMeasuring input
Code Measuring range Input impedance Accuracy Over load 01 ±19.999 mV 5 MΩ ±(0.05% of rdg + 5digit) DC ±50 V V1 ±100.00 mV 5 MΩ 02 ±199.99 mV 120 kΩ ±(0.05% of rdg + 3digit) 04 ±1.9999 V 1 MΩ ±(0.1% of rdg + 1digit) DC ±250 V ±19.999 V 10 MΩ ±399.9 V 10 MΩ ±(0.1% of rdg + 3digit) DC ±750 V 06 ±699.9 V 10 MΩ 11 ±19.999 μA 10 kΩ ±(0.05% of rdg + 3digit) DC ±2 mA 12 ±199.99 μA 1 kΩ DC ±20 mA 14 ±1.9999 mA 100 Ω ±(0.1% of rdg + 1digit) DC ±50 mA ±19.999 mA 11 Ω DC ±150 mA ±199.99 mA 1 Ω DC ±500 mA 49 DC 1 to 5 V 1 MΩ DC ±250 V DC 0 to 5 V 1 MΩ DC 4 to 20 mA 12.4 Ω DC ±150 mA ¢ÜAnalog output, RS-485
Code Data Output Output impedance Tolerable Load resistor Blank - 09 Analog output DC 0 to 10 V
(Available scaling, Default: 1 to 5 V)Less than 0.1 Ω More than 500 Ω (DC 1 to 5 V)
More than 1 kΩ (DC 0 to 10 V)29 Analog output DC 0 to 20 mA
(Available scaling, Default: 4 to 20 mA)More than 5 MΩ 0 to 600 Ω (DC 4 to 20 mA) BP BCD output (TTL level positive logic) - BN BCD output (TTL level negative logic) - DP BCD output (transistor output, source type) - DN BCD output (transistor output, sink type) - E0 RS-232C - E1 RS-485 - EC Decimal point external control - ¢ÝData output 2 (Available- 09 and -29 of ¢Ü Data output 1 only)
Code Data output Blank No output E0 RS-232C E1 RS-485 EC Decimal point external control Basic Specifications
Display 0 to 99999, red or green LED (character height 15.2 mm), “-” polarity, with zero-suppress function. Scaling offset -99999 to +99999 Scaling full scale -99999 to +99999 Display cycle Selectable from 67ms, 400ms, 1s, 2s, 4s, 5s Resolution 1/100000 Sampling rate Approx. 15 times / s. Response within 2 samplings or 1 display cycle, whichever longer Input method Single ended, floating input A/D conversion ¨S-∑conversion method Noise Rejection Normal mode (NMR) - More than 50 dB.
Common mode (CMR) - More than 110 dB.
Noise through power supply line - 1000 V (at AC voltage power supply)Insulation Resistance DC 500 V, More than 100 MΩ 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 500 V each for 1min.
Input terminals - Output terminals: AC 500 V each for 1min.Power Supply AC 100 to 240 V (90 to 250 V) 50/60 Hz, DC 12 to 24 V (9 to 32 V) Power Consumption 451A itself: Approx. 7 VA at 100 V AC, 9 VA at 200 V AC, 300 mA at 12 V. 150 mA at 24 V DC.
Power supply unit: Approx. 7VA at 100V AC, 9VA at 200V AC, 200mA at 12V. 100mA at 24V DC.Operating Temperature 0 to 50°C Storage Temperature -20 to 70°C Weight Approx. 220 g (60 g of the power supply unit) Housing protection IP65 for the front panel, IP20 for the rear case, IP00 for terminals