Vaisala DMP248 manuals

Vaisala DMP248 User Manual (6 pages)

Brand: Vaisala | Category: Measuring, testing & control | Size: 0.24 MB |

English

Table of contents

Dewpoint and

1

Temperature

1

Transmitter

1

Dewpoint transmitter for

2

performance

3

Flexible configuration &

4

Options and accessories

4

Technical information

5

Vaisala DMP248 Service Manual (145 pages)

Brand: Vaisala | Category: Measuring, testing & control | Size: 2.50 MB |

English

Table of contents

OPERATING

1

Table of contents

3

GENERAL INFORMATION

7

PRODUCT DESCRIPTION

9

FIGURE 2-1. Now the RH

11

FIGURE 2-2 shows the DRYCAP

11

Use in high pressure

12

INSTALLATION

13

PROBE UP

14

DOWN

14

Mounting; overview

15

FIGURE 3-7

17

R1/2 ISO 7/1

20

VALVE OPEN

21

PRESS TOOL

21

VALVE CLOSED

21

Sample cell

24

SAMPLE CELL

25

Grounding

27

Connections

29

Connection to an AC supply

30

COMMISSIONING

31

FIGURE 4-2

32

RXWSXWVÕ6FDOH

33

Spare jumpers

33

COMMANDS

39

LED commands

40

Display/keypad commands

41

Auto-calibration

42

Forced auto-calibration

44

Analogue output commands

44

FIGURE 4-2)

45

Output via serial bus

46

Output modes

48

Pressure compensation

50

Setting the date

51

Setting the time

51

Serial commands

52

Analogue outputs

55

Output via the serial bus

56

Outputting the reading once

57

Serial bus settings

58

Selecting the output units

58

Resetting the transmitter

59

Setting the serial interface

59

OPEN & CLOSE

59

2 which is in POLL state

60

CALIBRATION

61

Using serial commands

62

Using display/keypad commands

63

Using LED commands

63

Temperature calibration

65

MAINTENANCE

73

Adjustment using LED commands

75

TECHNICAL DATA

79

Temperature

80

Relative humidity

80

Electronics

82

Serial interface modules

82

Electromagnetic compatibility

83

CHAPTER 9 OPTIONS

84

SPARE PARTS AND

85

ACCESSORIES

85

APPENDIX 1 SERIAL COMMANDS

87

Auto-calibration commands

89

Calibration commands

93

: 0.000

94

FTIME Adding time to output

99

FDATE Adding date to output

100

SERI Serial bus settings

101

Operation modes

103

DATE Setting the date

106

TIME Setting the time

107

?? <cr>

108

APPENDIX 2

109

Power supply module

110

Technical specifications

111

APPENDIX 3

113

Installation

114

Operation

114

Network configuration

116

RX GND TX

117

Dual loop operation

118

STOP mode

120

POLL mode

121

Specifications

122

APPENDIX 4

123

Dual loop wiring

129

Current loop settings

131

APPENDIX 5

133

Errors after reset

134

Errors during operation

135

APPENDIX 6

137

APPENDIX 7

139

APPENDIX 8

145

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