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Digital Meter

DC Voltmeter / Ammeter / Receiver

MODEL 3194A

  • ■ Maximum display 19999, Compact design of 48 x 24 mm
  • ■ Scaling -19999 to 19999 is possible.
  • ■ Offset fixing and scaling adjustment functions are equipped.

Operation manual

Standard Specifications

Model Designation

3194A - - -

①Measuring Input

Code Measuring Range Input Resistance Accuracy  * Overload
03 ±1.9999 V 1 MΩ ±(0.05% of rdg. + 2 digit) DC ±250 V
04 ±19.999 V 1 MΩ ±(0.05% of rdg. + 2 digit) DC ±250 V
05 ±199.99 V 10 MΩ ±(0.05% of rdg. + 2 digit) DC ±350 V
09 DC 1 to 5 V 1 MΩ ±(0.1% of rdg. + 5 digit) DC ±250 V
V1 DC 0 to 1 V 1 MΩ ±(0.05% of rdg. + 2 digit) DC ±250 V
V2 DC 0 to 5 V 1 MΩ ±(0.05% of rdg. + 2 digit) DC ±250 V
V3 DC 0 to 10 V 1 MΩ ±(0.05% of rdg. + 2 digit) DC ±250 V
19 DC 4 to 20 mA 13 Ω ±(0.1% of rdg. + 5 digit) DC ±150 m A
A1 DC 0 to 1 mA 200 Ω ±(0.1% of rdg. + 2 digit) DC ±40 mA
* Accuracy:
Defined at 23℃ ± 5℃, 45 to 75% RH.
Temperature coefficient:
±100 ppm/°C (-03, -04, -05, -V1, -V2, -V3)
±200 ppm/°C (-09, -19, -A1) Operating temperature range: 0 to 50°C

②Display Color

Code Content
R Red LED
Green LED

③Option

Code Function
X none
A01 External decimal point control

General Specifications

Display 0 to 19999 red or green LED (character height 8mm) with zero suppression function
Scaling function Full scale display: -19999 to +19999 (with full scale display setting function)
Offset display: -19999 to +19999 (with offset display setting function)
Adjustment: Display value can be adjusted.
Offset fixing function Function of fixing display value to offset value when input is less than offset value.
10⁰ digit fixed to 0 Setting is possible.
Decimal point display Setting is possible from the front panel, Terminal setting is also possibe for -A01(option).
Over-range display Flashing with 130% display.
(But when exceeded 19999, flashing is displayed by 0000.)
Hold function Holds measured data (Not isolated from input).
Resolution 1/20000
Display cycle Selectable from approx. 400 ms or approx. 1s
Input configuration Single ended, floating input
A/D conversion Δ-Σ conversion system
Noise rejection Normal mode (NMR) – 50dB or more
Insulation resistance DC 500 V 100 MΩ or more
Withstand voltage Between input terminal and outer case: AC 1500 V 1minute
Between power supply terminal and outer case: AC 1500 V 1minute
Between power supply terminal and input terminal: AC 500 V 1minute
Power supply DC 5 to 24 V
Power supply voltage tolerance DC 4.75 to 32 V
Power consumption DC 5 V approx. 150 mA
DC 12V approx. 50 mA
DC 24V approx. 35 mA
Operating ambient temperature 0 to 50°C
Storage temperature -20 to 65°C
Weight Approx. 45 g

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