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Products

Digital precision amplifier DMP40/DMP40S2

Special features

  • Accuracy class: 0.0005
  • DMP40: 1−chanel-system, max. 8 transducers
  • DMP40S2: 2−chanel-system, max. 16 transducers, simulta- neous measurement with 2 tran- ducers each, master / specimen
  • Resolution of signals to the physical limits > 1,000,000 digits
  • 225 Hz carrier frequency me- thod, EMC protection, CE mark
  • high−performance, digital filters
  • Individual linearization
  • 100 % computer controllable (RS-232, RS-422/485)

Type

DMP40

DMP40S2

Accuracy class

0.00051) 0.0052)

Number of amplifiers

Transducers that can be connected

1

8 SG full bridges

2

2 x 8 SG full bridges

Transducer excitation voltage Ub Carrier frequency

Transducer resistance per amplifier

at Ub = 2.5 V; 5 V

at Ub = 10 V Transducer cable length Measurement ranges

Digital filters up to 16th order Display resolution Common−mode rejection Input resistance

V

Hz

Ω Ω

m mV/V Hz digit dB MΩ

2.5; 5; 10

225 "100 ppm

30...2000

60...4000

< 200

"2.5; "5; "10

10...0.03 (15 steps)

> 1,000,000

> 120

10

Sampling range per amplifier

1/s

1.2...75

Tare range

Linearization of transducer characteristic

total measurement range 2...11 Points

Linearity deviation

referred to full scale value

Influence of a 10 K change in nom. temperature range

on the zero point (referred to full scale value) on sensitivity (referred to full scale value)

Short−term drift over 5 min, after 2 h warm−up

Long−term drift over 24 h, after 2 h warm−up

%

%

%

ppm ppm

< 0.0005

< 0.0002

< 0.0005

max. "2, typ. "1

max. "5, typ. "2

Nominal temperature range Operating temperature range Storage temperature range

°C

°C

°C

0...+40

0...+50

−10...+60

Operating voltage (mains voltage)

Power consumption Weight

Dimensions (W x H x D)

V VA

kg

mm

230 (115) "10 %, (50...60 Hz)

approx. 40 approx. 60

approx. 14 approx. 15

458 x 171 x 367

Connection for

Tranducers

Limit outputs, control signal inputs Computer interface RS-232 Computer interface RS-422/485

8 x DB-15S 2 x 8 x DB-15S DB-25S

DB-9S

DB-9S

Digital precision amplifier DMP40/DMP40S2 - datasheet PDF, 0.09 Kb