3B SCIENTIFIC 1000539 Instruction Manual - Page 2

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4. Technical specifications

4.1 Analogue inputs

Voltage inputs (channels A and B):

Measuring equipment: 2 differential amplifiers

Measuring range:

Surge voltage protection: Max. ±40V

Connections:

Current input (channel A):

Measuring range:

Excess current protection: Max. ±2.5A

Connections:

Sensor inputs (channels A and B):

Sensor type:

Sensor identification:

Sensor connections:

Sampling:

Sampling rate:

Resolution:

4.2 Analogue outputs (channels A and B)

Reference point (earth): Common

Measuring range:

Connections:

Sampling rate:

Resolution:

4.3 Digital inputs

Channels:

Sampling rate:

Connection:

4.4 Digital outputs

Channels:

Signal:

Connection:

±200mV, ±2V, ±20V

4-mm safety sockets

±200mA, ±2A

4-mm safety sockets

Analogue

Automatic

8-pin mini DIN sockets

Continuous

50k samples/s

12 bit

± 5V

4-mm safety sockets

and 8-pin mini DIN

sockets

10 kSamples/s

12 bit

4 (separated into 2

TTL inputs, one of

which is a high-speed

time input, plus 2 in-

puts via optocoupler)

50k samples/s

100k samples/s (high-

speed time input)

8-pin mini DIN socket

TTL

8-pin mini DIN socket

4.5 Additional data

Computer connection: USB

Internal data memory: 128k

Display:

Power supply:

Dimensions:

Weight:

5. Description

5.1 Components

64 x 122 matrix for

measurements and

units

4.5 V DC / 300 mA or

3 batteries (AA, LR6 or

AM3); owing to their

longer battery life, use

of alkaline batteries is

recommended.

21 x 8 x 4 cm

approx.

400g approx. (includ-

ing batteries)

1 Display

2 Operating controls

3 Current input for chan-

nel A

4 Voltage outputs for

channels A and B

5 Voltage inputs for

channels A and B

6 Digital outputs

7 Digital inputs

8 Analogue

outputs

and B

9 Analogue inputs A and