Instructions on using the Low Humidity Range Probe, BLD5812
The optional Low Humidity Range (LHR) probe measures humidity in the nominal range 0-
40%rh.
It can only be used with the Protimeter MMS ‘Plus’ instrument as follows:
1.
Select Hygrometer mode of operation as detailed in
Section 3
2.
Ensure that the Hygrostick is not plugged into the connection on the top of the instrument
3.
Plug the LHR probe to the connection on the right-hand side of the MMS
4.
Press to display %rh, temperature, dewpoint, Mixing Ratio or Specific Humidity as
required
Caution
Be aware that the relative humidity of many environments exceeds 40%rh. When the LHR probe
is connected in environments that exceed 40%rh the MMS instrument diplays
o - r
, denoting out
of range.
The LHR probe must not be plugged into the socket on the top of the MMS instrument. Be aware
that this could damage the instrument.
BLD5812 Low Humidity Range Probe Specifications
Nominal measurement range:
0 - 40%rh
Uncertainty ± 2.0%rh @ 20
O
C
0 - 40
O
C
Uncertainty ± 0.3
O
C
The information contained in this manual is given in good faith. As the method of use
of the instrument (and its accessories) and the interpretation of the readings are beyond
the control of the manufacturers, they cannot accept responsibility for any loss,
consequential or otherwise, resulting from its use.
Protimeter® and Hygrostick® are registered Trade Marks of Protimeter plc
