Lambient



How do the LT-451 and LTF-631 compare to each other?

Specification

LT-451

LTF-631



Dimensions / weight

17" W x 16" L x 5.25" H

(43.2 cm W x 40.6 cm L x 13.3 cm H)

15 lbs (6.8 Kg)

17" W x 16" L x 3.25" H

(43.2 cm W x 40.6 cm L x 8.3 cm H)

15 lbs (6.8 Kg)


Number of channels

1, 2 or 4

(mux for additional 4 channels available)

1, 2 or 4

Sensor interfaces/channel

Mid-conductivity and/or high conductivity

Mid-conductivity

Other inputs

2 start/trigger

4 analog voltage (±10 VDC)

2 start/trigger

2 analog voltage (0 — 5 VDC)

Other outputs

2 digital TTL level (0 — 5 VDC)

2 digital TTL level (0 — 5 VDC)

Thermocouple/channel

Type J

Type J

Frequency range

0.001 Hz to 100 KHz

10 Hz to 10 KHz

Available frequencies

1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 7, 8, 9

x 10n Hz in each decade

10, 100, 1.0 KHz, 10 KHz

Measurement method

Digital sampled data acquisition with digital signal processing

Analog computation

Measurement speed/chan

0.001 Hz – 9 Hz: freq dependent

10 Hz – 100 KHz: ~3 sec

All frequencies: 55 ms or faster

Communication interface

RS-232C / USB with adapter

RS-232C / USB with adapter

Software

CureView

CureView

Cost

Greater

Lesser


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