Vaisala DRYCAP DMT143 Uživatelská příručka stáhnout pdf (Strana 71)

Chapter 8 _____________________________________________________________ Technical Data

VAISALA ________________________________________________________________________ 69

CHAPTER 8

TECHNICAL DATA

This chapter provides the technical data of the DMT143.

Specifications

Table 14 Measured Parameters

Property

Description / Value

Dewpoint temperature

Measurement range (typical)

-60 ... +60 °C (-76 ... +140 °F) T

Analog output scalings

Option 1

-80 ...+20 °C (-112 ... +68 °F) T

Option 2

-80 ...+20 °C (-112 ... +68 °F) T

Dewpoint at ambient pressure

Option 3

Free scaling

Accuracy in air or N

±2 °C (±3.6 °F) T

See Figure 24 on page 70.

Response time 63% [90%]

at +20 °C (+68 °F), 1 bar pressure

-60 -> -20 °C Td (-76 -> -4 °F Td)

5 s [15 s]

-20 -> -60 °C Td (-4 -> -76 °F Td)

45 s [10 min]

PPM volume concentration

Measurement range

10 ... 40 000 ppm (typical)

Accuracy at +20 °C (+68 °F),

1 bar pressure

1 ppm + 20% of reading

* When the dewpoint is below 0 °C (32 °F), the transmitter outputs frostpoint.

1 2 ... 66 67 68 69 70 71 72 73 74 75 76

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Vaisala DRYCAP DMT143 Uživatelská příručka Strana 71