DayTronic 3770 Instruction Manual - Page 3

Browse online or download pdf Instruction Manual for Measuring Instruments DayTronic 3770. DayTronic 3770 16 pages. 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

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

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

370

500

Page 2

within .02%

0.08

5.6

560