Vaisala MMT310 User Manual

Page 5

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VAISALA _________________________________________________________________________ 5

Product Returns ..................................................................... 53

CHAPTER 6

CALIBRATION AND ADJUSTMENT ........................................................... 55

Preparations Before the Calibration .................................... 56

Relative Humidity Calibration and Adjustment

(in Two Points) .................................................................... 56

Low End Adjustment ...................................................... 57

High End Adjustment ..................................................... 58

Temperature Calibration and Adjustment

(in One Point) ...................................................................... 59

Revert Factory Calibration .................................................. 60

View Current Offset and Gain Adjustment .......................... 60

Relative Humidity Calibration after Sensor Change............ 61

Set Calibration Information Text.......................................... 61

Set Calibration Date ............................................................ 61

Analog Output Calibration ................................................... 62

Adjustment Using an MI70 Indicator .................................... 62

Starting MI70 Adjustment .................................................... 62

Adjusting RH with MI70 ....................................................... 63

1-point RH Adjustment ................................................... 63

2-point RH Adjustment ................................................... 63

LiCl – NaCl Automatic Adjustment ................................. 64

Adjusting T with MI70 .......................................................... 65

1-point T adjustment ...................................................... 65

2-point T adjustment ...................................................... 65

Environment Settings .......................................................... 66

Last Adjustment Date .......................................................... 66

CHAPTER 7

TECHNICAL DATA ...................................................................................... 67

Specifications ......................................................................... 67

Spare Parts and Accessories ................................................ 69

Dimensions in mm (inches) .................................................. 70

Transmitter Enclosure and Mounting Plates ....................... 70

Rain Shield Dimensions ...................................................... 71

MMT318 Probe Dimensions ................................................ 72

Ball Valve Set Dimensions .................................................. 73

MMT317 Probe with Optional Swagelok Connector,

Dimensions .......................................................................... 74

APPENDIX A

APPLICATIONS ........................................................................................... 75

Transformer Oils .................................................................... 75

PPM Calculation for Transformer Oils ................................ 76

Calculation Model with Average Coefficients ...................... 77

Calculation Model with Oil Specific Coefficients ................. 77

PPM Calculation Setting ........................................................ 78

Calculation Setting (Calculation Model with Average

Coefficients) ........................................................................ 78

Changing the Calculation Coefficients

(Calculation Model with Oil Specific Coefficients) ............... 78

Technical Data ............................................................... 79

Paper Machine Application ................................................... 80

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