DayTronic 3770 Manual de instruções - Página 3

Procurar online ou descarregar pdf Manual de instruções para Instrumentos de medição DayTronic 3770. DayTronic 3770 16 páginas. Dc strain gage panel meter

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Model 3770

3770 SPECIFICATIONS

Measurement Range: Adjustable; 0.5 to 10 mV/V; nominal full-scale. Dependent on Excitation level selected
Transducer Types:
Excitation: Selectable: 5.0 or 10.0 Vdc, with remote sense lines. Up to 70 mA.
Physical Parameters: 5.68" W x 2.84" H x 7.06" D; weight 3.25 Lbs.
Power: 85 - 264 VAC @ 0.2 amps; 47 - 63 Hz
Analog Output: selectable; ± 5, ± 10 Vdc, 4-20mA or 4-12-20mA
Operating Temperature: 0 to +55 Degrees C, 5 to 95% relative humidity, non-condensing
A m p l if ie r
Normal - Mode Range: ± 0.2 V RMS operating; ± 28 V without instrument damage
Common - Mode Range: ± 3 V
Input Impedance: Differential >10 MΩ
Offset: vs. Temperature: ±30 ppm µV/°C; vs. Time: ±10 ppm/month
Gain Accuracy: Limited only by calibration accuracy
Gain Stability: vs. Temperature: ±30 ppm/°C; vs. Time: ±10 ppm/month
Linearity: better than ± 0.03% of full scale
Filter: 3-pole modified Butterworth; 3 dB down at 2 Hz, 20 Hz or 200 Hz; selectable. Fast output
always enabled, 5 KHz response (J3 Pin 3).
Step-Response Settling Times for the 3770 (in milliseconds)
Fast Output
Selectable Output
1. a
P
A N E L
You can easily mount the instrument in your o wn precut panel. Cutout dimensions for
a panel-mounted unit are standard DIN; panel thickness should not exceed 6 mm (0.24
in).S i mp l y u n s c r e w t h e t wo r e a r - p a n e l C L A M P S C R E W S a n d s l i d e t h e C L AM P
SLIDES rearwards out of their grooves (THE FRONT BEZEL NEED NOT BE
REMOVED). Insert the unit through the panel cutout, from the front of the panel (if
th e u ni t h as r ub b er f e et, t h es e wi ll ha v e to b e r e mo ved ) . T h e n r ei n st al l t he
CLAMP SLIDES, and tighten the CLAMP SCREWS until the instrument is securely
mounted.
Conventional 4-arm strain gage bridges, 120 to 10 k ohm
3db Frequency
5000 Hz
200 Hz
20 Hz
2 Hz
M
O U N T I N G
DC STRAIN GAGE PANEL METER
(20% over-range on voltage outputs only)
To within 1% within .1%
0.14
0.10
3.7
5.0
37
50
370
500
Page 2
within .02%
0.08
5.6
56
560