Hanna Instruments HI 8666 User manual

Instruction Manual
HI 8666
RH/°C Transmitter
This Instrument is in Compliance with the CE Directives
www.hannainst.com

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ISO 9000 Certified
Company since 1992
Dear Customer,
Thank you for choosing a Hanna Instruments
Product.
Please read this instruction manual carefully
before using the instrument.
Thismanualwillprovideyouwithalltheneces-
sary information for the correct use of the
instrument, as well as a precise idea of its
versatility in a wide range of applications.
Thisinstrumentisincompliancewith direc-
tives EN 50081-1 and EN 50082-1.
Preliminary Examination ........................... 1
General Description .................................. 1
Functional Description............................... 2
Specifications ............................................ 3
Terminal Board and Installation................. 4
Calibration Checking Procedure................ 7
Tables for RH Checking .......................... 12
Tables for Temperature Checking ........... 16
Accessories ............................................. 19
Warranty.................................................. 20
CE Declaration of Conformity ................. 21
TABLE OF CONTENTS

1
PRELIMINARY EXAMINATION
Remove the instrument from the packing
material and examine it carefully to make
sure that no damage has occurred during
shipment. If noticeable damage is found,
immediately notify your Dealer.
Note: Conserve all packing material until
the instrument has been observed to
function correctly because all defec-
tive items must be returned to the
Dealer in their original packing.
HI 8666 is a 2-wire, 4 to 20 mA relative
humidity and temperature transmitter. The
instrument transmits electrically isolated out-
puts that are linear and proportional to RH%
and °C. It can be surface or panel mounted,
and used with a detachable connector. The
power must be supplied from an external
source from 12V to 24V. See the diagrams
on pages 4-6 of this instruction manual for
connections from the transmitter to other
equipment, such as recorder.
Note: After 30 minutes of measurements
over 90% RH, the probe sensors could
experience secondary absorption,
leading to approximately +6% RH
saturation. This means that the read-
ings will be inaccurate. To restore
the probe to a normal condition, place
the probe into the LiCl well of HI 7102
for 24 hours (see page 7).
GENERAL DESCRIPTION

2
FUNCTIONAL DESCRIPTION
123
1) Sintered Cap
2) Relative Humidity and Temperature Sen-
sors
3) 11-Pin Connector

3
Range RH 0 (4 mA) to 100% (20 mA)
°C -20 (4 mA) to 60°C (20 mA)
Resolution RH ±0.125% RH, ±0.02 mA
°C ±0.1°C, ±0.02 mA
Accuracy RH ±2% RH (5 to 80% RH)
±4% RH (80 to 90% RH, 0 to 40°C)
°C ±1% of span
Typical EMC RH ±2.5% RH, ±0.4 mA
Deviation °C ±1°C, ±0.2 mA
Output Signal 4 to 20 mA
Response Time 6" without sintered filter, 1' with filter
Power Supply 12 to 24V externally supplied
Maximum Loop 600 ohm
Impedance
Environment -20 to 60°C (-4 to 140°F);
5 to 95% RH
Dimensions 79 x 49 x 140 mm
(3.1 x 1.9 x 5.5")
Weight 200 g (7 oz.)
SPECIFICATIONS

4
TERMINAL BOARD AND INSTALLATION
The HI 8666 Transmitter has an 11-pin con-
nector at the rear of the instrument.
Connect it to a UNDECAL relay socket.
The terminals are:
1 +°C: Positive Terminal;
9 -°C: Negative Terminal;
4 +RH:Positive Terminal;
7 -RH: Negative Terminal.
Terminals 2, 3, 5, 6, 8, 10 and 11 are not
connected.
See the following figures for recommended
installation:
1. Passive and isolated receivers
RH%
Transmitter
•
-
•
+
7
4
•
-
+
9
1
•
-
°C
Receiver
•
+
•
•
-
RH%
Receiver
•
+
•
•+
Power
Supply
-
•
°C
Transmitter

5
2. Passive and not isolated receivers
(Common positive)
3. Passive and not isolated receivers
(Common negative)
RH%
Transmitter
•
+
•
-
4
7
•
+
-
1
9
•
+
•
•
+
•-
Power
Supply
+
•
°C
Receiver
RH%
Receiver
°C
Transmitter
•-
•
RH%
Transmitter
•
-
•
+
7
4
•
-
+
9
1
•
-
•
•
-
•+
Power
Supply
-
•
°C
Receiver
RH%
Receiver
+
•
°C
Transmitter

6
4. Active receivers
(both isolated or not)
RH%
Transmitter
°C
Transmitter
RH%
Receiver
°C
Receiver
•
•+
-
4
7
•
•-
+
+
-
1
9
•
•-
+•
•

7
CALIBRATION CHEKING PROCEDURE
All Hanna relative humidity transmitters have
been precalibrated at the factory.
Hanna Instruments uses state-of-the-art ther-
mal humidity chambers for this purpose.
It is generally recommended to have all RH
transmitter recalibrated at least once a year.
For an accurate annual recalibration, con-
tact your nearest Hanna Service Center.
You can also check the status of your HI 8666
by using the Hanna mini-calibration cham-
bers HI 7102.
The kit includes two thermally
isolated chambers, each one
equipped with a threaded cap
and three bottles containing
the appropriate precalibrated
saturated salts to produce a
known RH value.
This calibration checking procedure is writ-
ten to verify that the meter still meets the
electrical calibration specifications of the fac-
tory.
PREPARING THE CALIBRATION
SOLUTIONS
•Pour approximately 26 cc
of distilled water into a
glass container.
•Immerse this container into
a bath of ice and water
and shake briefly.
•Slowly add the contents of
a HI 7111 bottle contain-
ing LiCl into the glass con-
tainer while continuing to
shake.
Li Cl
11.1% Na Cl
75.4%
CALIBRATION KIT
H
2
O
26 cc
Li Cl

8
•When the salt has dis-
solved completely, add all
the content of the second
bottle of HI 7111.
•Allow the solution obtained
to cool, and then pour it
into the chamber marked
"RH 11.1%", making sure
that no residue remains on
the walls of the glass con-
tainer.
•Seal the chamber well when not in use,
as the LiCl solution is extremely hygro-
scopic and tends to capture the humidity
present in the air causing the solution to
expand in volume and to overflow from
the container.
•Pour approximately 12 cc
of distilled water into the
other chamber marked
"RH 75.4%".
•Add all the content of the
HI 7121 bottle containing
NaCl while continuously
shaking the container to
avoid the formation of
lumps. Seal this container
well when not in use.
•The calibration kit needs
approximately 4 hours for
stabilization.
Li Cl
Li Cl
11.1%NaCl
75.4%
CALIBRATION KIT
12 cc
Li Cl
11.1% Na Cl
75.4%
CALIBRATIONKIT
H
2
O
Na Cl
Li Cl
11.1%NaCl
75.4%
CALIBRATION KIT
12
3
6
94 h

9
CHECKING THE RH CALIBRATION
•Bring the calibration kit to a temperature
of approximately 20°C.
•Remove the sintered
cap from the probe
of HI 8666.
•Connect the unit to a 12 to 24VDC power
supply and hook up a multimeter (range
of 20mA) in series with the circuit.
•Remove the cap from the
"RH 11.1%" chamber con-
taining the LiCl solution and
insert the HI 8666 paying
attention not to dip it into
the liquid.
•Wait for the measurement
to stabilize (this takes ap-
proximately 4 hours).
•Look at the multimeter display: the read-
ing should be 4.00 mA, representing the
theoretical chamber value of 0.0% RH.
All RH to mA conversions can be made
with the tables provided (see page 12).
•Remove the HI 8666 from the chamber
and tightly seal the chamber containing
the LiCl solution.
•Remove the cap from the
"RH 75.4%" chamber con-
taining the NaCl solution
and insert the HI 8666.
12
3
6
9
4 h
CALIBRATIONKIT
Li Cl
11.1%NaCl
75.4%
mA
CALIBRATION KIT
Li Cl
11.1% Na Cl
75.4%

10
•Wait for the measurement
to stabilize (approximately
4 hours)
•Insert the probe in the "RH 75.4%" cham-
ber, the multimeter reading should be
16.06 mA: this represents the theoretical
chamber value of 75.4% RH.
•The relative humidity calibration check-
ing procedure is complete. If the therotical
values are not within ±1%, contact your
dealer or your closest Hanna Service
Center for a fast and accurate
recalibration.
Spare saturation salts are also available:
HI 7111/P (LiCl) for low range humidity, and
HI 7121/P (NaCl) for high range humidity.
12
3
6
94 h
mA

11
CHECKING THE TEMPERATURE
CALIBRATION
•Remove the sin-
tered cap from the
probe of HI 8666.
•Connect the unit to a 12 to 24VDC power
supply and hook up a multimeter (range
of 20mA) in series with the circuit.
•Place the HI 8666 into a stable tempera-
ture environment of 25°C, preferably a
temperature chamber, and wait for the
temperature to stabilize.
•Using a NIST certified thermometer as a
reference, e.g. ChecktempC/N, verify that
the ammeter reading is matching the tem-
perature, e.g. 13.00 mA for 25°C.
All temperature to mA conversions can
be made with the tables provided (see
page 16).
•Recheck the temperature at both 10°C
(10.00 mA) and 40°C (16.00 mA): they
should both be within ±1%.
If either setting is out of range, the unit
must be repaired or re-calibrated electri-
cally. Contact your dealer or your closest
Hanna Service Center.
mA

12
Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr.
.0000 4.000 .1000 4.016 .2000 4.032 .3000 4.048 .4000 4.064
.5000 4.080 .6000 4.096 .7000 4.112 .8000 4.128 .9000 4.144
1.000 4.160 1.100 4.176 1.200 4.192 1.300 4.208 1.400 4.224
1.500 4.240 1.600 4.256 1.700 4.272 1.800 4.288 1.900 4.304
2.000 4.320 2.100 4.336 2.200 4.352 2.300 4.368 2.400 4.384
2.500 4.400 2.600 4.416 2.700 4.432 2.800 4.448 2.900 4.464
3.000 4.480 3.100 4.496 3.200 4.512 3.300 4.528 3.400 4.544
3.500 4.560 3.600 4.576 3.700 4.592 3.800 4.608 3.900 4.624
4.000 4.640 4.100 4.656 4.200 4.672 4.300 4.688 4.400 4.704
4.500 4.720 4.600 4.736 4.700 4.752 4.800 4.768 4.900 4.784
5.000 4.800 5.100 4.816 5.200 4.832 5.300 4.848 5.400 4.864
5.500 4.880 5.600 4.896 5.700 4.912 5.800 4.928 5.900 4.944
6.000 4.960 6.100 4.976 6.200 4.992 6.300 5.008 6.400 5.024
6.500 5.040 6.600 5.056 6.700 5.072 6.800 5.088 6.900 5.104
7.000 5.120 7.100 5.136 7.200 5.152 7.300 5.168 7.400 5.184
7.500 5.200 7.600 5.216 7.700 5.232 7.800 5.248 7.900 5.264
8.000 5.280 8.100 5.296 8.200 5.312 8.300 5.328 8.400 5.344
8.500 5.360 8.600 5.376 8.700 5.392 8.800 5.408 8.900 5.424
9.000 5.440 9.100 5.456 9.200 5.472 9.300 5.488 9.400 5.504
9.500 5.520 9.600 5.536 9.700 5.552 9.800 5.568 9.900 5.584
10.00 5.600 10.10 5.616 10.20 5.632 10.30 5.648 10.40 5.664
10.50 5.680 10.60 5.696 10.70 5.712 10.80 5.728 10.90 5.744
11.00 5.760 11.10 5.776 11.20 5.792 11.30 5.808 11.40 5.824
11.50 5.840 11.60 5.856 11.70 5.872 11.80 5.888 11.90 5.904
12.00 5.920 12.10 5.936 12.20 5.952 12.30 5.968 12.40 5.984
12.50 6.000 12.60 6.016 12.70 6.032 12.80 6.048 12.90 6.064
13.00 6.080 13.10 6.096 13.20 6.112 13.30 6.128 13.40 6.144
13.50 6.160 13.60 6.176 13.70 6.192 13.80 6.208 13.90 6.224
14.00 6.240 14.10 6.256 14.20 6.272 14.30 6.288 14.40 6.304
14.50 6.320 14.60 6.336 14.70 6.352 14.80 6.368 14.90 6.384
15.00 6.400 15.10 6.416 15.20 6.432 15.30 6.448 15.40 6.464
15.50 6.480 15.60 6.496 15.70 6.512 15.80 6.528 15.90 6.544
16.00 6.560 16.10 6.576 16.20 6.592 16.30 6.608 16.40 6.624
16.50 6.640 16.60 6.656 16.70 6.672 16.80 6.688 16.90 6.704
17.00 6.720 17.10 6.736 17.20 6.752 17.30 6.768 17.40 6.784
17.50 6.800 17.60 6.816 17.70 6.832 17.80 6.848 17.90 6.864
18.00 6.880 18.10 6.896 18.20 6.912 18.30 6.928 18.40 6.944
18.50 6.960 18.60 6.976 18.70 6.992 18.80 7.008 18.90 7.024
19.00 7.040 19.10 7.056 19.20 7.072 19.30 7.088 19.40 7.104
19.50 7.120 19.60 7.136 19.70 7.152 19.80 7.168 19.90 7.184
20.00 7.200 20.10 7.216 20.20 7.232 20.30 7.248 20.40 7.264
20.50 7.280 20.60 7.296 20.70 7.312 20.80 7.328 20.90 7.344
21.00 7.360 21.10 7.376 21.20 7.392 21.30 7.408 21.40 7.424
21.50 7.440 21.60 7.456 21.70 7.472 21.80 7.488 21.90 7.504
22.00 7.520 22.10 7.536 22.20 7.552 22.30 7.568 22.40 7.584
22.50 7.600 22.60 7.616 22.70 7.632 22.80 7.648 22.90 7.664
23.00 7.680 23.10 7.696 23.20 7.712 23.30 7.728 23.40 7.744
23.50 7.760 23.60 7.776 23.70 7.792 23.80 7.808 23.90 7.824
24.00 7.840 24.10 7.856 24.20 7.872 24.30 7.888 24.40 7.904
24.50 7.920 24.60 7.936 24.70 7.952 24.80 7.968 24.90 7.984
25.00 8.000 25.10 8.016 25.20 8.032 25.30 8.048 25.40 8.064
25.50 8.080 25.60 8.096 25.70 8.112 25.80 8.128 25.90 8.144
26.00 8.160 26.10 8.176 26.20 8.192 26.30 8.208 26.40 8.224
26.50 8.240 26.60 8.256 26.70 8.272 26.80 8.288 26.90 8.304
27.00 8.320 27.10 8.336 27.20 8.352 27.30 8.368 27.40 8.384
27.50 8.400 27.60 8.416 27.70 8.432 27.80 8.448 27.90 8.464
28.00 8.480 28.10 8.496 28.20 8.512 28.30 8.528 28.40 8.544
28.50 8.560 28.60 8.576 28.70 8.592 28.80 8.608 28.90 8.624
29.00 8.640 29.10 8.656 29.20 8.672 29.30 8.688 29.40 8.704
29.50 8.720 29.60 8.736 29.70 8.752 29.80 8.768 29.90 8.784
TABLES FOR RH CHECKING

13
Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr.
30.00 8.800 30.10 8.816 30.20 8.832 30.30 8.848 30.40 8.864
30.50 8.880 30.60 8.896 30.70 8.912 30.80 8.928 30.90 8.944
31.00 8.960 31.10 8.976 31.20 8.992 31.30 9.008 31.40 9.024
31.50 9.040 31.60 9.056 31.70 9.072 31.80 9.088 31.90 9.104
32.00 9.120 32.10 9.136 32.20 9.152 32.30 9.168 32.40 9.184
32.50 9.200 32.60 9.216 32.70 9.232 32.80 9.248 32.90 9.264
33.00 9.280 33.10 9.296 33.20 9.312 33.30 9.328 33.40 9.344
33.50 9.360 33.60 9.376 33.70 9.392 33.80 9.408 33.90 9.424
34.00 9.440 34.10 9.456 34.20 9.472 34.30 9.488 34.40 9.504
34.50 9.520 34.60 9.536 34.70 9.552 34.80 9.568 34.90 9.584
35.00 9.600 35.10 9.616 35.20 9.632 35.30 9.648 35.40 9.664
35.50 9.680 35.60 9.696 35.70 9.712 35.80 9.728 35.90 9.744
36.00 9.760 36.10 9.776 36.20 9.792 36.30 9.808 36.40 9.824
36.50 9.840 36.60 9.856 36.70 9.872 36.80 9.888 36.90 9.904
37.00 9.920 37.10 9.936 37.20 9.952 37.30 9.968 37.40 9.984
37.50 10.00 37.60 10.01 37.70 10.03 37.80 10.04 37.90 10.06
38.00 10.08 38.10 10.09 38.20 10.11 38.30 10.12 38.40 10.14
38.50 10.16 38.60 10.17 38.70 10.19 38.80 10.20 38.90 10.22
39.00 10.24 39.10 10.25 39.20 10.27 39.30 10.28 39.40 10.30
39.50 10.32 39.60 10.33 39.70 10.35 39.80 10.36 39.90 10.38
40.00 10.40 40.10 10.41 40.20 10.43 40.30 10.44 40.40 10.46
40.50 10.48 40.60 10.49 40.70 10.51 40.80 10.52 40.90 10.54
41.00 10.56 41.10 10.57 41.20 10.59 41.30 10.60 41.40 10.62
41.50 10.64 41.60 10.65 41.70 10.67 41.80 10.68 41.90 10.70
42.00 10.72 42.10 10.73 42.20 10.75 42.30 10.76 42.40 10.78
42.50 10.80 42.60 10.81 42.70 10.83 42.80 10.84 42.90 10.86
43.00 10.88 43.10 10.89 43.20 10.91 43.30 10.92 43.40 10.94
43.50 10.96 43.60 10.97 43.70 10.99 43.80 11.00 43.90 11.02
44.00 11.04 44.10 11.05 44.20 11.07 44.30 11.08 44.40 11.10
44.50 11.12 44.60 11.13 44.70 11.15 44.80 11.16 44.90 11.18
45.00 11.20 45.10 11.21 45.20 11.23 45.30 11.24 45.40 11.26
45.50 11.28 45.60 11.29 45.70 11.31 45.80 11.32 45.90 11.34
46.00 11.36 46.10 11.37 46.20 11.39 46.30 11.40 46.40 11.42
46.50 11.44 46.60 11.45 46.70 11.47 46.80 11.48 46.90 11.50
47.00 11.52 47.10 11.53 47.20 11.55 47.30 11.56 47.40 11.58
47.50 11.60 47.60 11.61 47.70 11.63 47.80 11.64 47.90 11.66
48.00 11.68 48.10 11.69 48.20 11.71 48.30 11.72 48.40 11.74
48.50 11.76 48.60 11.77 48.70 11.79 48.80 11.80 48.90 11.82
49.00 11.84 49.10 11.85 49.20 11.87 49.30 11.88 49.40 11.90
49.50 11.92 49.60 11.93 49.70 11.95 49.80 11.96 49.90 11.98
50.00 12.00 50.10 12.01 50.20 12.03 50.30 12.04 50.40 12.06
50.50 12.08 50.60 12.09 50.70 12.11 50.80 12.12 50.90 12.14
51.00 12.16 51.10 12.17 51.20 12.19 51.30 12.20 51.40 12.22
51.50 12.24 51.60 12.25 51.70 12.27 51.80 12.28 51.90 12.30
52.00 12.32 52.10 12.33 52.20 12.35 52.30 12.36 52.40 12.38
52.50 12.40 52.60 12.41 52.70 12.43 52.80 12.44 52.90 12.46
53.00 12.48 53.10 12.49 53.20 12.51 53.30 12.52 53.40 12.54
53.50 12.56 53.60 12.57 53.70 12.59 53.80 12.60 53.90 12.62
54.00 12.64 54.10 12.65 54.20 12.67 54.30 12.68 54.40 12.70
54.50 12.72 54.60 12.73 54.70 12.75 54.80 12.76 54.90 12.78
55.00 12.80 55.10 12.81 55.20 12.83 55.30 12.84 55.40 12.86
55.50 12.88 55.60 12.89 55.70 12.91 55.80 12.92 55.90 12.94
56.00 12.96 56.10 12.97 56.20 12.99 56.30 13.00 56.40 13.02
56.50 13.04 56.60 13.05 56.70 13.07 56.80 13.08 56.90 13.10
57.00 13.12 57.10 13.13 57.20 13.15 57.30 13.16 57.40 13.18
57.50 13.20 57.60 13.21 57.70 13.23 57.80 13.24 57.90 13.26
58.00 13.28 58.10 13.29 58.20 13.31 58.30 13.32 58.40 13.34
58.50 13.36 58.60 13.37 58.70 13.39 58.80 13.40 58.90 13.42
59.00 13.44 59.10 13.45 59.20 13.47 59.30 13.48 59.40 13.50
59.50 13.52 59.60 13.53 59.70 13.55 59.80 13.56 59.90 13.58

14
Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr.
60.00 13.60 60.10 13.61 60.20 13.63 60.30 13.64 60.40 13.66
60.50 13.68 60.60 13.69 60.70 13.71 60.80 13.72 60.90 13.74
61.00 13.76 61.10 13.77 61.20 13.79 61.30 13.80 61.40 13.82
61.50 13.84 61.60 13.85 61.70 13.87 61.80 13.88 61.90 13.90
62.00 13.92 62.10 13.93 62.20 13.95 62.30 13.96 62.40 13.98
62.50 14.00 62.60 14.01 62.70 14.03 62.80 14.04 62.90 14.06
63.00 14.08 63.10 14.09 63.20 14.11 63.30 14.12 63.40 14.14
63.50 14.16 63.60 14.17 63.70 14.19 63.80 14.20 63.90 14.22
64.00 14.24 64.10 14.25 64.20 14.27 64.30 14.28 64.40 14.30
64.50 14.32 64.60 14.33 64.70 14.35 64.80 14.36 64.90 14.38
65.00 14.40 65.10 14.41 65.20 14.43 65.30 14.44 65.40 14.46
65.50 14.48 65.60 14.49 65.70 14.51 65.80 14.52 65.90 14.54
66.00 14.56 65.10 14.57 66.20 14.59 66.30 14.60 66.40 14.62
66.50 14.64 66.60 14.65 66.70 14.67 66.80 14.68 66.90 14.70
67.00 14.72 67.10 14.73 67.20 14.75 67.30 14.76 67.40 14.78
67.50 14.80 67.60 14.81 67.70 14.83 67.80 14.84 67.90 14.86
68.00 14.88 68.10 14.89 68.20 14.91 68.30 14.92 68.40 14.94
68.50 14.96 68.60 14.97 68.70 14.99 68.80 15.00 68.90 15.02
69.00 15.04 69.10 15.05 69.20 15.07 69.30 15.08 69.40 15.10
69.50 15.12 69.60 15.13 69.70 15.15 69.80 15.16 69.90 15.18
70.00 15.20 70.10 15.21 70.20 15.23 70.30 15.24 70.40 15.26
70.50 15.28 70.60 15.29 70.70 15.31 70.80 15.32 70.90 15.34
71.00 15.36 71.10 15.37 71.20 15.39 71.30 15.40 71.40 15.42
71.50 15.44 71.60 15.45 71.70 15.47 71.80 15.48 71.90 15.50
72.00 15.52 72.10 15.53 72.20 15.55 72.30 15.56 72.40 15.58
72.50 15.60 72.60 15.61 72.70 15.63 72.80 15.64 72.90 15.66
73.00 15.68 73.10 15.69 73.20 15.71 73.30 15.72 73.40 15.74
73.50 15.76 73.60 15.77 73.70 15.79 73.80 15.80 73.90 15.82
74.00 15.84 74.10 15.85 74.20 15.87 74.30 15.88 74.40 15.90
74.50 15.92 74.60 15.93 74.70 15.95 74.80 15.96 74.90 15.98
75.00 16.00 75.10 16.01 75.20 16.03 75.30 16.04 75.40 16.06
75.50 16.08 75.60 16.09 75.70 16.11 75.80 16.12 75.90 16.14
76.00 16.16 76.10 16.17 76.20 16.19 76.30 16.20 76.40 16.22
76.50 16.24 76.60 16.25 76.70 16.27 76.80 16.28 76.90 16.30
77.00 16.32 77.10 16.33 77.20 16.35 77.30 16.36 77.40 16.38
77.50 16.40 77.60 16.41 77.70 16.43 77.80 16.44 77.90 16.46
78.00 16.48 78.10 16.49 78.20 16.51 78.30 16.52 78.40 16.54
78.50 16.56 78.60 16.57 78.70 16.59 78.80 16.60 78.90 16.62
79.00 16.64 79.10 16.65 79.20 16.67 79.30 16.68 79.40 16.70
79.50 16.72 79.60 16.73 79.70 16.75 79.80 16.76 79.90 16.78
80.00 16.80 80.10 16.81 80.20 16.83 80.30 16.84 80.40 16.86
80.50 16.88 80.60 16.89 80.70 16.91 80.80 16.92 80.90 16.94
81.00 16.96 81.10 16.97 81.20 16.99 81.30 17.00 81.40 17.02
81.50 17.04 81.60 17.05 81.70 17.07 82.80 17.08 81.90 17.10
82.00 17.12 82.10 17.13 82.20 17.15 82.30 17.16 82.40 17.18
82.50 17.20 82.60 17.21 82.70 17.23 82.80 17.24 82.90 17.26
83.00 17.28 83.10 17.29 83.20 17.31 83.30 17.32 83.40 17.34
83.50 17.36 83.60 17.37 83.70 17.39 83.80 17.40 83.90 17.42
84.00 17.44 84.10 17.45 84.20 17.47 84.30 17.48 84.40 17.50
84.50 17.52 84.60 17.53 84.70 17.55 84.80 17.56 84.90 17.58
85.00 17.60 85.10 17.61 85.20 17.63 85.30 17.64 85.40 17.66
85.50 17.68 85.60 17.69 85.70 17.71 85.80 17.72 85.90 17.74
86.00 17.76 86.10 17.77 86.20 17.79 86.30 17.80 86.40 17.82
86.50 17.84 86.60 17.85 86.70 17.87 86.80 17.88 86.90 17.90
87.00 17.92 87.10 17.93 87.20 17.95 87.30 17.96 87.40 17.98
87.50 18.00 87.60 18.01 87.70 18.03 87.80 18.04 87.90 18.06
88.00 18.08 88.10 18.09 88.20 18.11 88.30 18.12 88.40 18.14
88.50 18.16 88.60 18.17 88.70 18.19 88.80 18.20 88.90 18.22
89.00 18.24 89.10 18.25 89.20 18.27 89.30 18.28 89.40 18.30
89.50 18.32 89.60 18.33 89.70 18.35 89.80 18.36 89.90 18.38

15
Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr. Rh. Curr.
90.00 18.40 90.10 18.41 90.20 18.43 90.30 18.44 90.40 18.46
90.50 18.48 90.60 18.49 90.70 18.51 90.80 18.52 90.90 18.54
91.00 18.56 91.10 18.57 91.20 18.59 91.30 18.60 91.40 18.62
91.50 18.64 91.60 18.65 91.70 18.67 91.80 18.68 91.90 18.70
92.00 18.72 92.10 18.73 92.20 18.75 92.30 18.76 92.40 18.78
92.50 18.80 92.60 18.81 92.70 18.83 92.80 18.84 92.90 18.86
93.00 18.88 93.10 18.89 93.20 18.91 93.30 18.92 93.40 18.94
93.50 18.96 93.60 18.97 93.70 18.99 93.80 19.00 93.90 19.02
94.00 19.04 94.10 19.05 94.20 19.07 94.30 19.08 94.40 19.10
94.50 19.12 94.60 19.13 94.70 19.15 94.80 19.16 94.90 19.18
95.00 19.20 95.10 19.21 95.20 19.23 95.30 19.24 95.40 19.26
95.50 19.28 95.60 19.29 95.70 19.31 95.80 19.32 95.90 19.34
96.00 19.36 96.10 19.37 96.20 19.39 96.30 19.40 96.40 19.42
96.50 19.44 96.60 19.45 96.70 19.47 96.80 19.48 96.90 19.50
97.00 19.52 97.10 19.53 97.20 19.55 97.30 19.56 97.40 19.58
97.50 19.60 97.60 19.61 97.70 19.63 97.80 19.64 97.90 19.66
98.00 19.68 98.10 19.69 98.20 19.71 98.30 19.72 98.40 19.74
98.50 19.76 98.60 19.77 98.70 19.79 98.80 19.80 98.90 19.82
99.00 19.84 99.10 19.85 99.20 19.87 99.30 19.88 99.40 19.90
99.50 19.92 99.60 19.93 99.70 19.95 99.80 19.96 99.90 19.98
100.0 20.00

16
TABLES FOR TEMPERATURE CHECKING
Temp. Curr. Temp. Curr. Temp. Curr. Temp. Curr. Temp. Curr.
-20.0 4.000 -19.9 4.020 -19.8 4.040 -19.7 4.060 -19.6 4.080
-19.5 4.100 -19.4 4.120 -19.3 4.140 -19.2 4.160 -19.1 4.180
-19.0 4.200 -18.9 4.220 -19.8 4.240 -18.7 4.260 -18.6 4.280
-18.5 4.300 -18.4 4.320 -18.3 4.340 -18.2 4.360 -18.1 4.380
-18.0 4.400 -17.9 4.420 -17.8 4.440 -17.7 4.460 -17.6 4.480
-17.5 4.500 -17.4 4.520 -17.3 4.540 -17.2 4.560 -17.1 4.580
-17.0 4.600 -16.9 4.620 -16.8 4.640 -16.7 4.660 -16.6 4.680
-16.5 4.700 -16.4 4.720 -16.3 4.740 -16.2 4.760 -16.1 4.780
-16.0 4.800 -15.9 4.820 -15.8 4.840 -15.7 4.860 -15.6 4.880
-15.5 4.900 -15.4 4.920 -15.3 4.940 -15.2 4.960 -15.1 4.980
-15.0 5.000 -14.9 5.020 -14.8 5.040 -14.7 5.060 -14.6 5.080
-14.5 5.100 -14.4 5.120 -14.3 5.140 -14.2 5.160 -14.1 5.180
-14.0 5.200 -13.9 5.220 -13.8 5.240 -13.7 5.260 -13.6 5.280
-13.5 5.300 -13.4 5.320 -13.3 5.340 -13.2 5.360 -13.1 5.380
-13.0 5.400 -12.9 5.420 -12.8 5.440 -12.7 5.460 -12.6 5.480
-12.5 5.500 -12.4 5.520 -12.3 5.540 -12.2 5.560 -12.1 5.580
-12.0 5.600 -11.9 5.620 -11.8 5.640 -11.7 5.660 -11.6 5.680
-11.5 5.700 -11.4 5.720 -11.3 5.740 -11.2 5.760 -11.1 5.780
-11.0 5.800 -10.9 5.820 -10.8 5.840 -10.7 5.860 -10.6 5.880
-10.5 5.900 -10.4 5.920 -10.3 5.940 -10.2 5.960 -10.1 5.980
-10.0 6.000 -9.9 6.020 -9.8 6.040 -9.7 6.060 -9.6 6.080
-9.5 6.100 -9.4 6.120 -9.3 6.140 -9.2 6.160 -9.1 6.180
-9.0 6.200 -8.9 6.220 -8.8 6.240 -8.7 6.260 -8.6 6.280
-8.5 6.300 -8.4 6.320 -8.3 6.340 -8.2 6.360 -8.1 6.380
-8.0 6.400 -7.9 6.420 -7.8 6.440 -7.7 6.460 -7.6 6.480
-7.5 6.500 -7.4 6.520 -7.3 6.540 -7.2 6.560 -7.1 6.580
-7.0 6.600 -6.9 6.620 -6.8 6.640 -6.7 6.660 -6.6 6.680
-6.5 6.700 -6.4 6.720 -6.3 6.740 -6.2 6.760 -6.1 6.780
-6.0 6.800 -6.9 6.820 -5.8 6.840 -5.7 6.860 -5.6 6.880
-5.5 6.900 -5.4 6.920 -5.3 6.940 -5.2 6.960 -5.1 6.980
-5.0 7.000 -4.9 7.020 -4.8 7.040 -4.7 7.060 -4.6 7.080
-4.5 7.100 -4.4 7.120 -4.3 7.140 -4.2 7.160 -4.1 7.180
-4.0 7.200 -3.9 7.220 -3.8 7.240 -3.7 7.260 -3.6 7.280
-3.5 7.300 -3.4 7.320 -3.3 7.340 -3.2 7.360 -3.1 7.380
-3.0 7.400 -2.9 7.420 -2.8 7.440 -2.7 7.460 -2.6 7.480
-2.5 7.500 -2.4 7.520 -2.3 7.540 -2.2 7.560 -2.1 7.580
-2.0 7.600 -1.9 7.620 -1.8 7.640 -1.7 7.660 -1.6 7.680
-1.5 7.700 -1.4 7.720 -1.3 7.740 -1.2 7.760 -1.1 7.780
-1.0 7.800 -.900 7.820 -.800 7.840 -.700 7.860 -.600 7.880
-.500 7.900 -.400 7.920 -.300 7.940 -.200 7.960 -.100 7.980
.0000 8.000 .1000 8.020 .2000 8.040 .3000 8.060 .4000 8.080
.5000 8.100 .6000 8.120 .7000 8.140 .8000 8.160 .9000 8.180
1.000 8.200 1.100 8.220 1.200 8.240 1.300 8.260 1.400 8.280
1.500 8.300 1.600 8.320 1.700 8.340 1.800 8.360 1.900 8.380
2.000 8.400 2.100 8.420 2.200 8.440 2.300 8.460 2.400 8.480
2.500 8.500 2.600 8.520 2.700 8.540 2.800 8.560 2.900 8.580
3.000 8.600 3.100 8.620 3.200 8.640 3.300 8.660 3.400 8.680
3.500 8.700 3.600 8.720 3.700 8.740 3.800 8.760 3.900 8.780
4.000 8.800 4.100 8.820 4.200 8.840 4.300 8.860 4.400 8.880
4.500 8.900 4.600 8.920 4.700 8.940 4.800 8.960 4.900 8.980
5.000 9.000 5.100 9.020 5.200 9.040 5.300 9.060 5.400 9.080
5.500 9.100 5.600 9.120 5.700 9.140 5.800 9.160 5.900 9.180
6.000 9.200 6.100 9.220 6.200 9.240 6.300 9.260 6.400 9.280
6.500 9.300 6.600 9.320 6.700 9.340 6.800 9.360 6.900 9.380
7.000 9.400 7.100 9.420 7.200 9.440 7.300 9.460 7.400 9.480
7.500 9.500 7.600 9.520 7.700 9.540 7.800 9.560 7.900 9.580
8.000 9.600 8.100 9.620 8.200 9.640 8.300 9.660 8.400 9.680
8.500 9.700 8.600 9.720 8.700 9.740 8.800 9.760 8.900 9.780
9.000 9.800 9.100 9.820 9.200 9.840 9.300 9.860 9.400 9.880
9.500 9.900 9.600 9.920 9.700 9.940 9.800 9.960 9.900 9.980

17
Temp. Curr. Temp. Curr. Temp. Curr. Temp. Curr. Temp. Curr.
10.00 10.00 10.10 10.02 10.20 10.04 10.30 10.06 10.40 10.08
10.50 10.10 10.60 10.12 10.70 10.14 10.80 10.16 10.90 10.18
11.00 10.20 11.10 10.22 11.20 10.24 11.30 10.26 11.40 10.28
11.50 10.30 11.60 10.32 11.70 10.34 11.80 10.36 11.90 10.38
12.00 10.40 12.10 10.42 12.20 10.44 12.30 10.46 12.40 10.48
12.50 10.50 12.60 10.52 12.70 10.54 12.80 10.56 12.90 10.58
13.00 10.60 13.10 10.62 13.20 10.64 13.30 10.66 13.40 10.68
13.50 10.70 13.60 10.72 13.70 10.74 13.80 10.76 13.90 10.78
14.00 10.80 14.10 10.82 14.20 10.84 14.30 10.86 14.40 10.88
14.50 10.90 14.60 10.92 14.70 10.94 14.80 10.96 14.90 10.98
15.00 11.00 15.10 11.02 15.20 11.04 15.30 11.06 15.40 11.08
15.50 11.10 15.60 11.12 15.70 11.14 15.80 11.16 15.90 11.18
16.00 11.20 16.10 11.22 16.20 11.24 16.30 11.26 16.40 11.28
16.50 11.30 16.60 11.32 16.70 11.34 16.80 11.36 16.90 11.38
17.00 11.40 17.10 11.42 17.20 11.44 17.30 11.46 17.40 11.48
17.50 11.50 17.60 11.52 17.70 11.54 17.80 11.56 17.90 11.58
18.00 11.60 18.10 11.62 18.20 11.64 18.30 11.66 18.40 11.68
18.50 11.70 18.60 11.72 18.70 11.74 18.80 11.76 18.90 11.78
19.00 11.80 19.10 11.82 19.20 11.84 19.30 11.86 19.40 11.88
19.50 11.90 19.60 11.92 19.70 11.94 19.80 11.96 19.90 11.98
20.00 12.00 20.10 12.02 20.20 12.04 20.30 12.06 20.40 12.08
20.50 12.10 20.60 12.12 20.70 12.14 20.80 12.16 20.90 12.18
21.00 12.20 21.10 12.22 21.20 12.24 21.30 12.26 21.40 12.28
21.50 12.30 21.60 12.32 21.70 12.34 21.80 12.36 21.90 12.38
22.00 12.40 22.10 12.42 22.20 12.44 22.30 12.46 22.40 12.48
22.50 12.50 22.60 12.52 22.70 12.54 22.80 12.56 22.90 12.58
23.00 12.60 23.10 12.62 23.20 12.64 23.30 12.66 23.40 12.68
23.50 12.70 23.60 12.72 23.70 12.74 23.80 12.76 23.90 12.78
24.00 12.80 24.10 12.82 24.20 12.84 24.30 12.86 24.40 12.88
24.50 12.90 24.60 12.92 24.70 12.94 24.80 12.96 24.90 12.98
25.00 13.00 25.10 13.02 25.20 13.04 25.30 13.06 25.40 13.08
25.50 13.10 25.60 13.12 25.70 13.14 25.80 13.16 25.90 13.18
26.00 13.20 26.10 13.22 26.20 13.24 26.30 13.26 26.40 13.28
26.50 13.30 26.60 13.32 26.70 13.34 26.80 13.36 26.90 13.38
27.00 13.40 27.10 13.42 27.20 13.44 27.30 13.46 27.40 13.48
27.50 13.50 27.60 13.52 27.70 13.54 27.80 13.56 27.90 13.58
28.00 13.60 28.10 13.62 28.20 13.64 28.30 13.66 28.40 13.68
28.50 13.70 28.60 13.72 28.70 13.74 28.80 13.76 28.90 13.78
29.00 13.80 29.10 13.82 29.20 13.84 29.30 13.86 29.40 13.88
29.50 13.90 29.60 13.92 29.70 13.94 29.80 13.96 29.90 13.98
30.00 14.00 30.10 14.02 30.20 14.04 30.30 14.06 30.40 14.08
30.50 14.10 30.60 14.12 30.70 14.14 30.80 14.16 30.90 14.18
31.00 14.20 31.10 14.22 31.20 14.24 31.30 14.26 31.40 14.28
31.50 14.30 31.60 14.32 31.70 14.34 31.80 14.36 31.90 14.38
32.00 14.40 32.10 14.42 32.20 14.44 32.30 14.46 32.40 14.48
32.50 14.50 32.60 14.52 32.70 14.54 32.80 14.56 32.90 14.58
33.00 14.60 33.10 14.62 33.20 14.64 33.30 14.66 33.40 14.68
33.50 14.70 33.60 14.72 33.70 14.74 33.80 14.76 33.90 14.78
34.00 14.80 34.10 14.82 34.20 14.84 34.30 14.86 34.40 14.88
34.50 14.90 34.60 14.92 34.70 14.94 34.80 14.96 34.90 14.98
35.00 15.00 35.10 15.02 35.20 15.04 35.30 15.06 35.40 15.08
35.50 15.10 35.60 15.12 35.70 15.14 35.80 15.16 35.90 15.18
36.00 15.20 36.10 15.22 36.20 15.24 36.30 15.26 36.40 15.28
36.50 15.30 36.60 15.32 36.70 15.34 36.80 15.36 36.90 15.38
37.00 15.40 37.10 15.42 37.20 15.44 37.30 15.46 37.40 15.48
37.50 15.50 37.60 15.52 37.70 15.54 37.80 15.56 37.90 15.58
38.00 15.60 38.10 15.62 38.20 15.64 38.30 15.66 38.40 15.68
38.50 15.70 38.60 15.72 38.70 15.74 38.80 15.76 38.90 15.78
39.00 15.80 39.10 15.82 39.20 15.84 39.30 15.86 39.40 15.88
39.50 15.90 39.60 15.92 39.70 15.94 39.80 15.96 39.90 15.98

18
Temp. Curr. Temp. Curr. Temp. Curr. Temp. Curr. Temp. Curr.
40.00 16.00 40.10 16.02 40.20 16.04 40.30 16.06 40.40 16.08
40.50 16.10 40.60 16.12 40.70 16.14 40.80 16.16 40.90 16.18
41.00 16.20 41.10 16.22 41.20 16.24 41.30 16.26 41.40 16.28
41.50 16.30 41.60 16.32 41.70 16.34 41.80 16.36 41.90 16.38
42.00 16.40 42.10 16.42 42.20 16.44 42.30 16.46 42.40 16.48
42.50 16.50 42.60 16.52 42.70 16.54 42.80 16.56 42.90 16.58
43.00 16.60 43.10 16.62 43.20 16.64 43.30 16.66 43.40 16.68
43.50 16.70 43.60 16.72 43.70 16.74 43.80 16.76 43.90 16.78
44.00 16.80 44.10 16.82 44.20 16.84 44.30 16.86 44.40 16.88
44.50 16.90 44.60 16.92 44.70 16.94 44.80 16.96 44.90 16.98
45.00 17.00 45.10 17.02 45.20 17.04 45.30 17.06 45.40 17.08
45.50 17.10 45.60 17.12 45.70 17.14 45.80 17.16 45.90 17.18
46.00 17.20 46.10 17.22 46.20 17.24 46.30 17.26 46.40 17.28
46.50 17.30 46.60 17.32 46.70 17.34 46.80 17.36 46.90 17.38
47.00 17.40 47.10 17.42 47.20 17.44 47.30 17.46 47.40 17.48
47.50 17.50 47.60 17.52 47.70 17.54 47.80 17.56 47.90 17.58
48.00 17.60 48.10 17.62 48.20 17.64 48.30 17.66 48.40 17.68
48.50 17.70 48.60 17.72 48.70 17.74 48.80 17.76 48.90 17.78
49.00 17.80 49.10 17.82 49.20 17.84 49.30 17.86 49.40 17.88
49.50 17.90 49.60 17.92 49.70 17.94 49.80 17.96 49.90 17.98
50.00 18.00 50.10 18.02 50.20 18.04 50.30 18.06 50.40 18.08
50.50 18.10 50.60 18.12 50.70 18.14 50.80 18.16 50.90 18.18
51.00 18.20 51.10 18.22 51.20 18.24 51.30 18.26 51.40 18.28
51.50 18.30 51.60 18.32 51.70 18.34 51.80 18.36 51.90 18.38
52.00 18.40 52.10 18.42 52.20 18.44 52.30 18.46 52.40 18.48
52.50 18.50 52.60 18.52 52.70 18.54 52.80 18.56 52.90 18.58
53.00 18.60 53.10 18.62 53.20 18.64 53.30 18.66 53.40 18.68
53.50 18.70 53.60 18.72 53.70 18.74 53.80 18.76 53.90 18.78
54.00 18.80 54.10 18.82 54.20 18.84 54.30 18.86 54.40 18.88
54.50 18.90 54.60 18.92 54.70 18.94 54.80 18.96 54.90 18.98
55.00 19.00 55.10 19.02 55.20 19.04 55.30 19.06 55.40 19.08
55.50 19.10 55.60 19.12 55.70 19.14 55.80 19.16 55.90 19.18
56.00 19.20 56.10 19.22 56.20 19.24 56.30 19.26 56.40 19.28
56.50 19.30 56.60 19.32 56.70 19.34 56.80 19.36 56.90 19.38
57.00 19.40 57.10 19.42 57.20 19.44 57.30 19.46 57.40 19.48
57.50 19.50 57.60 19.52 57.70 19.54 57.80 19.56 57.90 19.58
58.00 19.60 58.10 19.62 58.20 19.64 58.30 19.66 58.40 19.68
58.50 19.70 58.60 19.72 58.70 19.74 58.80 19.76 58.90 19.78
59.00 19.80 59.10 19.82 59.20 19.84 59.30 19.86 59.40 19.88
59.50 19.90 59.60 19.92 59.70 19.94 59.80 19.96 59.90 19.98