Main Unit RD-50EW

Model

RD-50EW

Measurement function

DC voltage measurement, DC current measurement

A/D converting system

Successive comparison

Measurement range

±5 VDC, ±10 VDC, 4 to 20 mA DC (selectable)

Display range

-19999 to +39999

Measurement accuracy

±0.03 % of F.S. (at ±5 VDC range), ±0.03 % of F.S. (at ±10 VDC range)
±0.05 % of F.S. (at 4 to 20 mA DC range)

Input

Impedance

1 MΩ (for voltage input), 350 Ω (for current input)

System

Single-ended

Number of inputs

2

Sampling rate

2,000 times/second

Display speed

20 times/second

Display power

7-segment 3-colour LED (character height: 15.24 mm)

Over-range alarm

FFFF is displayed

Control input

Synchronous, Hold-reset, Auto-zero, External setting,
NPN or non-voltage contact signal

Control input

Timing input

Hold reset input

Auto-zero input

External setting input

Controloutput

Setting method

4 steps x 8 programmable setups (selectable)^*1

Signal

5 x NPN (HH, HI, GO, LO, LL): 100 mA max. (40 V max.)^*1

Response time

1 ms (when average number 1)^*1

OFF-delay time

60 ms (ON/OFF selectable)^*1

Analogue output voltage

Output voltage

±10 VDC

Impedance

100 Ω

Response time

1 ms (when average number 1)^*2

Interface

Control input by NPN open-collector ornon-voltage contact signal

Major functions

MDL, digital fi lter, auto-zero, offset, input, data processing (10 modes),
tolerance limit storage (up to 8 sets), decimal point shift, error message display, etc.

Rating

Power voltage

24 VDC ±10 %, Ripple (P-P) 10 % or less

Current consumption

270 mA or less

Environmental resistance

Ambient temperature

0 to +50 °C

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z directions

Weight

Approx. 700 g (excluding fi ttings)