Thank you very much for purchasing
this Anemo-Psychrometer.
This unique meter design with 7 H.V.A.C
&R must parameters in 1. The meter
designed as battery operated for Humidity
,Air temp., Dew Point, Wet Bulb, Air
Velocity, Air Volume & BTU (8912).
The sensor is built in the remote fan and
is specially protected by tunable cap.
While in operation, please turn on the cap
to get accurate temperature and humidity
reading.
The psychrometer is a micro processorbased design. A must device for HVAC
engineers use. No need to whirl the
meter or refer to the chart. Easy to get
wet bulb, dew point and BTU(8912)
quickly!
Features :
Tunable cap to p rot ect s ensor
Up to 8 ve loc ity m emory (only 8 911 )
Big LCD digit display
Professional remote vane
Metric& Imperial selectable
Handheld size, easy to carry
Low battery indication
Fast response &
Tripod mountable for long time use
Dew Point calculated in seconds
Wet Bulb calculated in seconds
Microprocessor circuitry for reliability
Sleep and non-sleep selectable
Powered by 4 AAA batteries or 9VDC
adaptor
Back light for dark places
Accurate reading
1
Page 3
MATERIAL SUPPLIED
This package contains:
The meter x 1
Remote vane x1
Battery x 4 (AAA size )
Operation manual x1
Hard carry case x1
Optional accessory:
AC to DC 9V adaptor
RS232 cable & CD
REMINDER
Important:
1. Rotate the cover before measurement
to ensure the measured data is correct.
2. The fan and meter are sold as a kit and
.
are well calibrated.
When you need to replace the fan,
please see page 16 for the details of
fan replacement.
CONTROLS AND INDICATORS
LCD DI SPL AY
DPWBAVOLVGCAPMAXMIN
C
F
%RH
m/s
ft/m
3
cfm
REC HOLD
L
D
W
AREA
cm
inch
2
2
2
WAIT
M/m
Btu/hKw
START
Page 4
KEY PAD
1.Pow er :
-Tu rn on t he me ter wit h aut o-s lee p mode.
-Tu rn off th e met er at a ny mode .
-Whe n the m ete r is off, p res sing mo re
than t wo se c. to e nter units s ele cti on.
2.MOD E:
-Pre ssi ng to s ele ct diff erent m ode s.
Temp. DP WB RH Ve locity.
-Pre ssi ng lo nge r to sele ct VO L an d CAP.
3.ENT ER:
- To confi rm the se tti ng & ca lib ratio n.
4.Mx/ Mn/ Up :
-Pre ssi ng to v iew M AX/MI N/AVG va lue .
-Pre ss to s ele ct th e value o f eac h dig it
in cyc le.
5.REC /START :
- In vel oci ty mo de, p ressi ng th is ke y to
stor e the c urr ent veloci ty re adi ng in to
memo ry (8 911onl y)
- To start measur ing v olu me or c apaci ty
(891 2 onl y) wi tho ut wait ing .
3
Page 5
6.HOL D/D own :
- In bas ic mo des p res sing th is ke y to
hold t he cu rre nt re ading , the n pre ssi ng
this k ey ag ain t o unl ock the h old ing .
- Pres sin g to se lec t the set tin g dig it.
7.Pow er + :
- When t he me ter i s off, pr ess ing mor e
than t wo se c. to e nter non-s lee p mod e.
8.Pow er + + :
- Pres sin g mor e tha n two sec ond s to
ente r RH ca lib rat ion mod e.
9.EN TER + :
- Pre ssi ng t o tu rn on/ off th e ba ckl igh t.
POWER ON/OFF & UNIT SELECT
Pres s to tu rn on t he meter wit h
auto -sl eep m ode . Press a gai n to tu rn
off the meter a t any m ode .
When t he me ter i s off, pr ess ing
more t han t wo se con ds to ent er un its
sele cti on mo de.
C
%RH
m/s
3
M/m
Kw
cm
Or
inch
When i n uni t sel ect ion mod e, pr ess
or to se lec t the u nit, th en,
pres s to sa ve an d meter will b e
powe red o n aut oma tical ly.
%RH
Btu/h
F
Ft/m
cfm
BASIC MEASUREMENT
Plea se re fer t o bel ow tabl e of th e bas ic
meas ure d par ame ters of e ach m ode l
4
Page 6
Basi c Mea sur e
890289128911
Air tem p.
Humid it y
Dew Poi nt
Wet B ul b
Air Velo ci ty
Vel with
avera ge
Exte nd Me asu re
890289128911
Air Volu me
Sum of
Volume
Capac it y
Sum of
Capac it y
When p owe r on, t he ai r tempe rat ure
is the d efa ult v alu e to show o n the L CD.
To revie w the o the r bas ic para met ers ,
just p res s key t hen each par ame ter
will b e dis pla y in tu rn.
Whil e in ba sic m ode , press f or ov er
2 seco nds t o ent er ex tend me asu rem ent
mode . For 8 912 , als o press k ey to
swit ch be twe en vo lume an d cap aci ty.
Veloc ity w ith m emo ry (8911 o nly )
In vel oci ty mo de, p ress to s tor e
valu e int o mem ory. A recor d num ber wil l
be dis pla yed o n the t op-le ft of t he LC D.
The ma x. re cor d is 8 po ints. (Fi g.A )
REC
m/s
(Fig .A)
5
Page 7
MAX, MI N & AVG.
From t he me ter i s pow ered on , air t emp .,
dew- poi nt, W BT, hum idity & v elo cit y wil l
be tem por ari ly sa ved in me ter, s o, to
pres s cou ld vi ew the avera ge va lue
mini mum v alu e and m aximu n val ue in
turn s. Pr ess a gain to back t o nor mal
mode . The dat a wil l be re -co unted o nce
the me ter i s pow ere d off and t urn on
agai n.
When i n Max ./M in. /Avg. m ode, pr ess ing
key to d isp lay t he paramet ers y ou
need . (Fi g. B, F ig. C)
DPMIN
F
MAX
%RH
(Fig . B)
(Fig . C)
Chec kin g vel oci ty memo ry( 89 11 on ly )
Whil e the 8 911 is in ve loc ity m ode and
with r eco rd in m emo ry (up to 8 p oin ts) ,
pres sin g key t o review ave rag e
valu e (at m ome nt, t he mete r is in h old
mode ).
Pres sin g key t o view the min imu m
/max imu n val ue of m emori sed v elo cit y
in tur ns. (Fi g.D & Fig. E)
Pres sin g key a gain to exit a bov e
aver age / min . /ma x. revi ew an d bac k to
norm al.
The me mor ize d rec ord wil l be de let ed
afte r the m ete r is po wered o ff and tu rn
on aga in.
6
Page 8
AVG
MIN
HOLD
(Fig .D)
Ft/m
HOLD
(Fig .E)
Ft/m
AIR VOL UME: OUTL ET SIZ E
Whil e in no rma l mod e, long p res sin g
key to e nte r air v olume mode .
To measu re th e vol ume , the out let s ize
need t o be in put f irs t. Ther e are thr ee
choi ce to e nte r the s ize:
- Leng th & Wi dth:
This i s the def aul t cho ice . Press
key to s ele ct th e setting di git f irs t,
then p res s key t o select the
appr opr iat e val ue ( 0~9) . Whe n sel ect
the va lue , the v alu e will sh ow fr om 0
to 9 in cy cle . Afte r entering l eng th,
shor t pre ss to e nter width s ett ing .
Repe at th e pro ced ure of le ngt h set tin g,
then s hor t pre ss again to fi nis h
the si ze se tti ng an d enter n ext s tep .
(Fig .F)
- Diam ete r:
Whil e in de fau lt ou tlet se tti ng mo de
(len gth ), pr ess ing key f or ov er
two se con ds to c hoo se diam ete r set tin g.
Pres s key t o sel ect the sett ing d igi t
firs t, th en pr ess key to sel ect t he
appr opr iat e val ue ( 0~9)
After s ele cti on, s hort pr ess a gai n
to fin ish t he si ze se tting a nd en ter n ext
step . (Fi g. G)
- Are a:
Whil e in di ame ter s ettin g mod e,
pres sin g key f or over two se con ds
to ent er ar ea se tti ng.
7
Page 9
Pres s key t o sel ect the sett ing d igi t
firs t, th en pr ess key to sel ect t he
appr opr iat e val ue ( 0~9)
. After s ele cti on, s hort pr ess a gai n
to fin ish t he si ze se tting a nd en ter n ext
step . (Fi g. H)
VOL
VOL
L
D
cm
VOL
cm
(Fig . G)
(Fig . F)
W
AREA
cm
VOL
2
cm
(Fig . H)
Note : Ref er to p age 1 3 for the r ang e
of eac h siz e inp ut mode.
AIR VOL UME: MEAS UREM ENT
Afte r sho rt pr ess ing to fi nis h and
leav e siz e set tin g, ther e are 2 0 sec ond
wait ing t ime f or yo u to put th e van e
to the g ril l.
Duri ng th e 20 se con d waiti ng ti me, t he
coun t dow n num ber d ispla yed o n top left c orn er an d met er also b eep s whe n
time i s up. (Fi g. I)
If no ne ed to w ait f or 20 s econd s, ju st
pres sin g key t o start meas uri ng
the vo lum e rig ht aw ay.
VOL
m/s
(Fig . I)
WAIT
8
Page 10
Afte r sta rti ng me asuri ng th e vol ume ,
the me ter w ill a uto matic all y cou nt th e
volu me fo r 60 se con ds to giv e a ave rag e
valu e. (F ig. J ) Dur ing thi s 60 se con d
time , the v ane s hou ld move a lon g the
whol e out let t o cov er each a rea s o the
meas ure d dat a cou ld be mor e acc ura cy.
The co unt d own n umb er disp lay ed on
the to p- le ft co rne r as a remi nde r and
mete r als o bee ps wh en 60 sec i s up.
Afte r tim e is up , 60 se conds a ver age
volu me wi ll di spl ay on the L CD as F ig K.
VOL
(Fig . J)
START
3
M/m
VOL
AVG
(Fig . K)
3
M/m
If the re ar e mor e tha n one out let , you
coul d pre ss ke y again to rep eat
the pr oce dur e fro m outle t siz e inp ut.
You co uld m eas ure out let a s man y as
you ne ed.
Afte r mea sur ing m ore tha n one o utl et
volu me, y ou co uld p ress ke y to
revi ew th e sum o f all o utlet s. Pr ess ing
key to r evi ew th e last outle t vol ume .
CAPAC ITY: OUTLET SIZ E
Whil e in no rma l mod e, long p res sin g
to ent er ai r vol ume, then sh ort
pres s to en ter c apacity mo de.
To measu re th e cap aci ty, put th e vane
on the I nle t, th en pr ess to co unt
the 60 s eco nd av era ge Temp. & RH %
( Fig. L )co unt d own w ill sho w on le ft- top
corn er of L CD an d met er beep s aft er 60
seco nd is u p. Then , the m ete r enter
outl et si ze se tti ng auto mat ica lly. (Note 1)
9
Page 11
Ther e are t hre e cho ice to en ter t he si ze:
- Leng th & Wi dth:
This i s the def aul t cho ice . Press
key to s ele ct th e setting di git f irs t,
then p res s key t o select the
appr opr iat e val ue ( 0~9) . Whe n sel ect
the va lue , the v alu e will sh ow fr om 0
to 9 in cy cle . Afte r entering l eng th,
shor t pre ss to e nter width s ett ing .
Repe at th e pro ced ure of le ngt h set tin g,
then s hor t pre ss again to fi nis h
the si ze se tti ng an d enter n ext s tep .
(FIg .M)
- Diam ete r:
Whil e in de fau lt ou tlet se tti ng mo de
(len gth ), pr ess ing key f or ov er
two se con ds to c hoo se diam ete r set tin g.
Pres s key t o sel ect the sett ing d igi t
firs t, th en pr ess key to sel ect t he
appr opr iat e val ue ( 0~9)
After s ele cti on, s hort pr ess a gai n
to fin ish t he si ze se tting a nd en ter n ext
step . (Fi g. N)
CAP
%RH
CAP
WAIT
(Fig . L)
cm
W
(Fig . M)
- Are a:
Whil e in di ame ter s ettin g mod e,
pres sin g key f or over two se con ds
to ent er ar ea se tti ng.
Pres s key t o sel ect the sett ing d igi t
firs t, th en pr ess key to sel ect t he
appr opr iat e val ue ( 0~9)
. After s ele cti on, s hort pr ess a gai n
to fin ish t he si ze se tting a nd en ter n ext
step . (Fi g. O)
10
Page 12
CAP
CAP
D
D
(Fig . N)
cm
cm
AREA
AREA
(Fig . O)
2
CAPAC ITY: MEASUREM ENT
Afte r sho rt pr ess ing to fi nis h and
leav e siz e set tin g, ther e are 9 0 or 20
seco nd (n ot e 1) wa iting time f or yo u to
put th e van e to th e gri ll.
Duri ng ab ove w ait ing tim e, th e cou nt
down n umb er di spl ayed on t op- lef t
corn er an d met er al so beep s whe n
time i s up. (Fi g. P)
If no ne ed to w ait f or 90 o r 20 seco nds ,
just p res sin g key to start m eas uri ng
the ca pac ity r igh t away.
WAIT
(Fig . P)
move th e va ne a lo ng t he g ri ll t o ge t ac cu ra cy valu e.
Afte r sta rti ng me asuri ng th e cap aci ty,
the me ter w ill a uto matic all y cou nt th e
capa cit y for 6 0 sec onds to g ive a n
aver age v alu e. (F ig. Q)
Duri ng th is 60 s eco nd time , the v ane
shou ld mo ve al ong t he whol e out let t o
cove r eac h are a so th e measu red d ata
coul d be mo re ac cur acy. Th e cou nt
down n umb er di spl ayed on t he to p- le ft
corn er as a r emi nde r and met er al so
beep s whe n 60 se c is up .
Afte r tim e is up , 60 se conds a ver age
volu me wi ll di spl ay on the L CD as F ig R.
Not e 1:
CAP
If yo u ha ve m an y ou tl et t o
measu re , wh il e yo u st ar t to
m/s
measu re t he s ec on d on e,
the w ai ti ng t im e wi ll a dj us t
to 20 s ec a ut om at ic al ly.
90 sec. is t he b uf fe r fo r
senso r to s ta bl e. N o ma tt er
in in le t or o ut le t, s ug ge st t o
11
Page 13
CAP
CAP
AVG
(Fig . Q)
START
Kw
(Fig . R)
Kw
If the re ar e mor e tha n one out let , you
coul d pre ss ke y again to rep eat
the pr oce dur e fro m outle t siz e inp ut.
You co uld m eas ure out let a s man y as
you ne ed.
Afte r mea sur ing m ore tha n one o utl et
volu me, y ou co uld p ress ke y to
revi ew th e sum o f all o utlet s. Pr ess ing
key to r evi ew th e last outle t
capa cit y.
If you w oul d lik e to me asure m ore t han
1 inle t, pl eas e wai t for 10 mi nut e and
allo w the h umi dut y senso r to re tur n to
the hu mid ity r oom o r help it b y hom e
vent ila tio n.
LOW-BATTERY
Two lev el lo w bat ter y indic ati on:
-Lev el 1: B att ery i ndica tor w ill f las h when
meet l eve l 1. In t his s ituat ion , the m ete r
will w ork n orm al ho wever u ser s sho uld
prep are n ew ba tte ries.
-Lev el 2: B att ery i ndica tor w ill a lwa ys
disp lay o n the L CD wh ile mee t lev er 2.
In thi s sit uat ion , users n eed t o cha nge
batt eri es im med iatel y.
1. Open the battery cover on the rear
side.
2. Remove the expired batteries.
3. Insert new 4pcs AAA batteries and
make sure the batteries are inserted
with correct polarity, put on the cover.
12
Page 14
AC TO DC ADAPTOR
The co mpa tib le AC to D C adapt or is
9V at le ast 2 00m A.
AVAILABLE SIZE RANGE
Plea se re fer t o bel ow inpu t siz e ran ge.
Plea se be r emi nde d that in m etr ic L/ W/D
, the va lue a fte r dec al is not s ele cta ble .
cm
inch
L/W/ D
000. 0~9 99. 0
000. 0~9 99. 9
AREA
0000 0~9 999 9
0000 0~9 999 9
RS232 SOFTWARE
Soft war e
We hav e compa tib le so ftw are and
cabl e whi ch is d esi gn for th e met er,
plea se co nta ct wi th your s upp lie r for
the de tai ls.
Inte rfa ce of R S23 2
A.960 0 bps , 8 dat a bits , no pa rit y.
B. For mat : Tx. AS CII c ode by e ver y sec .
wh ile m ete r is on
2 valu e is Air t emp ., th e 3 value is
Humi dit y, th e 4 val ue is D ew Po int,
the 5t h val ue is Wet b ulb , the 6 v alue
st
th
th
is AIR Vol ume , the 7 th va lue is Ca pac ity.
The x he re me ans o ne of { 0|1|2 | |9| -}
C. For mat f or error va lue :
E0 1 Prob e didn 't co nne cted ;
E0 2 Und er fl ow;
E0 3 Ove r flo w. Se e mor e in pa ge
Th e uni t for e rror c ode i s Nul .
1. Pow er on b ut no d isp lay
a)Mak e sur e the t ime o f press ing
key is m ore t han 0 .1 se cond.
b)Che ck th e bat ter ies are i n pla ce an d
in goo d con tac t wit h corre ct po lar ity.
c)Rep lac e a new b att ery and t ry ag ain .
d)Mov e awa y the b att ery for o ne mi nut e
andp ut ba ck ag ain .
2. Dis pla y dis app ear
a)Che ck wh eth er th e low bat ter y
indi cat or di spl ayed be for e Dis pla y
disa ppe ar, if y es, r eplac e a new b att ery.
b)Tu rn on t he me ter by pr ess ing +
key to d isa ble a uto power of f
func tio n for l ong t ime usi ng.
3. E1
a)The p rob e is di sco nnect ed or d ama ged .
4. E 2
a)The v alu e is un der flow.
14
Page 16
5.E 3
a)The v alu e is ov erf low.
4.E4
a)The o rig ina l dat a that is r ela tiv e to th is
valu e err or.
5.E5
a)Out o f met er di spl ay rang e.
6.E6
a)the v alu e is no t cal culat ed co mpl ete ly.
7.E 11
a)Hum idi ty Ca lib ratio n err or.
SPECIFICATION
OOO
TEMPERATURE : -20 to 60 (-4 to 140 )
Accuracy.: +0.6 (+1 ) ,
Resolution :0.1 (0.1 )
RELATIVE HUMIDITY : 0 to 100% RH
Accuracy :+3% at 10 to 90%RH (cal. temp.)
+5% at other range
Resolution : 0.1%
DEW POINT : -68 to 70 (-90 to 158 )
Resolution:0.1
WET BULB TEMPERATURE :
OO
-22 to 70 (-7.6 to 158 )
CF
Resolution : 0.1
AIR VELOCITY : 0.6 to 32 m/s (118 to 6299 ft/m)
Accuracy:+2% of full sca le
Resolution : 0.1
AIR VOLUME : 0 to 99999 m /s (0 to 99999 cfm)
Accuracy:
If use rs ha ve mo re th an one se t ane momete rs or u ser s cha nge a new f an fo r
his ol d met er, us er sh ould in put t he
RH% ca lib rat ion d ata whi ch en clo sed
with e ach f an. The d ata w ill b e recor ded
in a sli p of pa per a nd sh ip with f an, p lea se
keep t he pa per w ell f or futu re us e.
Ther e are t wo ca lib ratio n dat a nee d to
be inp utt ed. F irs t value i s "Sl ope , S" an d
the se con d val ue is " Inter cep t, Z"
Slop e(v alu e S)
1. Whi le th e met er is o ff , pre ss
+ + at the s ame t ime f or
2 seco nds t o ent er hu midit y slo pe
cali bra tio n mod e. LCD wi ll di spl ay
curr ent s ave d S val ue and th e las t
digi t wil l fla sh to i ndica te th e val ue
is rea dy fo r edi t.
2. If th e sav ed S va lue i s diffe rent fr om
your p ape r, pre ss key to move
to the d igi t whi ch yo u want to e dit
and th en us e key t o change
the va lue .
3. Pre ss ke y to sa ve new input
S valu e and t hen m ete r will en ter
seco nd va lue i npu t autom ati cal ly.
16
Page 18
Impo rta nt No te: While se tti ng th e slo pe,
only i npu t 5 dig its a fter de cim al po int , so
user n eed t o rou nd off th e 6th d igit.
User s hou ld al so in put two d igi ts be for e
deci mal .
Exam ple :
a. If th e S val ue is 8 .239678, u ser
shou ld in put 0 8 239 68
b. If th e S val ue is 11.2 396 8, us er
shou ld in put 11 239 68
c. If th e S val ue is 0 .2396838 , use r
shou ld in put 0 0 239 68 (Fig . S)
(Fig . S)
Inte rce pt (v alu e Z)
1. Whi le pr ess k ey save the S
sett ing , the m eter will en ter i nte rce pt
inpu t aut oma tic ally. The la st di git
will f las h to in dic ate the Z v alu e is
now re ady f or ed it.
2. If th e las t sav ed Z value is di ffere nt
from y our p ape r, pre ss key to
move t o the d igi t whi ch you wa nt
to edi t and t hen u se key to
chan ge th e val ue.
3. Pre ss ke y to sa ve new input
Z valu e and t hen m ete r will be b ack
to nor mal R H val ue mo de.
Impo rta nt No te: While se tti ng Z va lue ,
only i npu t 3 dig its a fter de cim al po int , so
user n eed t o rou nd off th e 4th d igit.
17
Page 19
User s hou ld al so in put fou r dig its b efo re
deci mal . All th e Z is a ne gativ e val ue bu t
LCD wi ll no t app ear t he nega tiv e ico n.
Exam ple :
a. If th e Z val ue is - 928 .8683 , use r
shou ld in put 0 9 288 68
b. If th e Z val ue is - 192 8.868 , use r
shou ld in put 1 9 288 68
c. If th e Z val ue is - 89.68482 , use r
shou ld in put 0 0 896 85 (Fig . T)
(Fig . T)
RETURN AUTHORIZATION
Authorization must be obtained from the
supplier before returning items for any
reason. When requiring a RA (Return
Authorization) , please include data
regarding the defective reason, the
meters are returned along with good
packing to prevent any damage in
shipment and insured against possible
damage or loss.
WARRANTY
The meter is warranted to be free from
defects in material and workmanship
for a period of one year from the date
of purchase. This warranty covers
normal operation and does not cover
battery, misuse, abuse, alteration,
tampering, neglect, improper maintenance
or damage resulting from leaking batteries.
Proof of purchase is required for
warranty repairs. Warranty is void if the
meter has been opened .
18
Page 20
Accuracy, the Zenith of
Measuring / Testing Instruments !
Hygrometer/Psychrometer
Thermometer
Anemometer
Sound Level Meter
Air Flow meter
Infrared Thermometer
K type Thermometer
K.J.T. type Thermometer
K.J.T.R.S.E. type Thermometer
pH Meter
Conductivity Meter
T.D.S. Meter
D.O. Meter
Saccharimeter
Manometer
Tacho Meter
Lux / Light Meter
Moisture Meter
Data logger
Temp./RH transmitter
Wireless Transmitter ..........
More products available !
2010 .05 m odi fy
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