0123
Test, Calibration
THEODOR FRIEDRICHS & CO.
Meteorologische Geräte und Sys teme GmbH
Group 8
page 1
Type No.
Thermometer Test Equipment
cons ists of th ermomet er tes t bath incl . electronic
temper ature c ontrol , cont inuous cooler , spec ial
lamp and a set of st andard therm ometers.
Thermometer Test Bath with double safety
glass pane; ver y easy readi ng of the tes t and c ontrol t hermomet ers; adjus table f rame f or ins tallation
of d iff erent t hermomet er si zes; f low regu lation by
means of a cir culat ing p ump; cooling coils for external conn ection , e. g . of a c ryomat, built -in electroni cal t emperat ure c ontrol device w ith r esistance
therm ometer.
Type 8100.0000
Type 8101.0000
Bath vol ume:
approx. 23 l
approx. 33 l
Front pane:
340 x 340 mm
540 x 340 mm
Meas. r ange:
-20°C...+50°C with cooler type 8105
-10°C...+50°C with cooler type 8105
Power supply:
230 VAC, 50 Hz, approx. 3 kVA
230 VAC, 50 Hz, approx. 3 kVA
Heatin g power:
400...2700 W
400...2700 W
Dimensions:
800 x 230 x 670 mm
1160 x 230 x 670 mm
Weight:
approx. 42 kg
approx. 49 kg
Elec troni c temp eratur e
contr ol:
by Pt 100, PID controller, LED display. Temperature setting with 0.01°C res oluti on
8100.0000
8101.0000
Bath liquids
Depending on the individual application, two different kinds of bath
liquid are available (silicon fluid for example, in connection with an
external cryomat ).
W ater-glycol solution (down to -20°C)
8104.1000
Silicon fluid (down to -40°C)
8104.3000
The Continuous Cooler is mai ntenan ce-free r efri gerator engine
with heat exchanger; connection to the circulation pump of the test
bath features an intensive countinuous cooling.
Refr igerat ion power :
0.33 kW at 20°C
8105.0000
Power supply:
230 VAC, 50 Hz
Dimensions:
290 x 540 x 330 mm
Weight:
approx. 33 kg
Refrigerator ther mostats, cryostats etc. for l ower bath t emperatures
The Special Lamp is suitable to illuminate the test bath; it produces a light simi lar to d aylight and f ree of h eat radi ation.
Upon request
Special lamp for type 8100:
8114.0000
Special lamp for type 8101:
8115.0000
Set of contr ol ther mometer s, wi th manu fact urer’ s
calib ration cerf icate
8117.0001
Set of contr ol ther mometer s, with official
calibration c erfi cate
8117.0002
The Control Thermometers (1 s et = 2 t hermomet ers) .
Meas. r ange:
Scaling:
-38°C...+10°C; - 1°C...+51°C
0.1°C
8121.0000
Temperature Test Cabinet
Light grey varnished housing with
illuminated stainless steel test
chamber, compl. with racks and
safet y glass pane in f rontdoor.
Suit able f or si multaneous test of
4 thermographs respectively 2
thermohygrographs, or similar instruments. Temperature setting
via keyboard and LED display on
the front panel.
Meas. r ange:
-40°C...+180°
Test chamb er volume:
approx.100 l
Power supply:
230 VAC, 50 Hz, approx.
2.4 kW
Dimensions:
1670 x 820 x 840 mm
(H x W x D)
Weight:
approx. 230 kg
Further sizes and temp. ranges upon r equest!
Climatic Cabinets
Dif feren t siz es as w ell as d iff erent s pecif icati ons
Upon request
0123
Test, Calibration
THEODOR FRIEDRICHS & CO.
Meteorologische Geräte und Sys teme GmbH
Group 8
page 2
Type No.
8420.0000
Windtunnel
The windtunnel type 8420 is basicly designed as test
equipment for calibration of wind sensors.
The op en construction with the measuring section in
the suction part enables compact dimensions and
theref ore operat ion in r elatively smal l rooms .
An SC R con troll ed DC m otor dr ive enables a wide
operation r ange and s table r otation al speed .
Depending on customer’s specif icati on dif feren t ref erence equipment (Differential pressure gauges, Thermal
anemometer s as w ell as Las er-Doppl er Anem ometers)
and acc essor ies ( Test adapter s, PC ’s, P rint ers, Monitors etc. ) are avail able. C ustom made sof tware s olutions for s emi- or fu lly- automat ic oper ation incl. print
out of fin al test report s can be off ered.
Meas. r ange:
0.15...50 m/s
According Reynolds number:
0.65 x 10 ...2.15 x 10
(at pa =1013 hPa und ta =20°C)
Degree of turb ulenc e:
(measured in tunnel coss
sect ion wit h res olution
0.5 Hz)
Drive p ower:
at v= 3 m/s: ±0.4 %
at v=10 m/s: ±.0.4 %
at v=40 m/s: ±0.3 %
Drive c ontrol :
SCR
Power supply:
230/400 VAC, 50 Hz /3Ph,
max. 50 kVA
Dimensions:
6115 x 2090 x 1565 mm
(L x W x H)
4
approx. 40 kW
Weight:
Windtunnel incl. drive:
approx. 1400 kg
Contr ol cabi net:
approx. 245 kg
Comparison of tunnel velocity and sensor velocity
Sensorname: WAA151
Ser.-No.: 00001
40
38
36
34
32
30
28
26
Sensor velocity in m/s
Examble of numer ical
and graphical
sch emes of an anemometer c harac teris tic
24
22
20
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Tunnel velocity in m/s
Sensor velocity
Tunnel velocity
Some One
Date: 2002.06.26.
6
0123
Test, Calibration
THEODOR FRIEDRICHS & CO.
Meteorologische Geräte und Sys teme GmbH
Group 8
page 3
Type No.
8700.0000
Pessure / Vacuum Chamber
Pres sur e/vacuu m cham ber f or tes ting several an eroids , barotr ansmi tters,
barogr aphs, mercu ry barom eters (with hood, type 8701); test chamber consis ts of cyli ndri cal s teel bod y, coated , with flan ge covered by a s teel pl ate (or
hood 8701) and sealed by means of an O-ring; a large inspection pane in the
door mad e of 40 m m acryl ic gl ass; built -in vibrating table with rung stand, actuated by push-button from outside; on the right 8 electrical ducts, on the left
two air ducts NW 10 for connecti on to Hg -test baromet er or oth er extern al
unit s; oper ating valves at t he fr ont.
Recommended accessories: Hood, type 8701, cabinet, type 8720 to install
the pump, support for test barometer, type 8740, control panel for vernier adjustment, type 8741.1, control motor type 8742, vacuum pump type 8750. Test
baromet ers, refer to grou p 5.
Operating range:
100...1100 hPa, other ranges upon request
Dimensions:
1150 x 850 x 830 mm, Weight: approx. 255 kg
Requi red area:
770 x 520 mm
Volum e of tes t cham ber:
234 l
8701.0000
Acrylic Glass Hood
For tes ting up to 4 m ercu ry barom eters ; to rep lace th e steel p late of type
8700; made of 40 mm acrylic glass.
Dimensions:
400 x 500 x 200 mm, Weight:
approx. 28 kg
8710.0000
Pressure / Vacuum Chamber, sm all size
Pres sur e/vacuu m ch amber f or tes ting aneroid s, bar otrans mitt ers, barographs
and a mer cur y baromet er (wi th hood type 8711); test chamber made of a rugged steel construction, upper flange covered by an aluminium pl ate (or h ood
type 8711) and sealed by means of an O-ring. Door to be closed by 4 hand
wheels , in spec tion pane in the door made of 3 0 mm ac rylic glass ; on the right
electrical ducts, on the left 2 air ducts NW 10 for connection of Hg-test barometer or other external unit s; oper ating valves at t he fr ont.
Recommended accessories: Hood, type 8711, cabinet, type 8720 or base
plate type 8721, to install the pump, electrical ducts etc., support for test barometer , type 8 740, contr ol panel f or verni er adjustment, type 8741.1, control
motor type 8742, vacuum pump type 8750 or 8760. Test barometers , ref er to
group 5.
Operating range:
700...1100 hPa, other ranges upon request
Dimensions:
760 x 560 x 750 mm, Weight: approx. 107 kg
Requi red area:
760 x 520 mm
Volum e of tes t cham ber:
65 l
8711.0000
Acrylic Glass Hood
for t ype 8710 for t estin g one mer cur y baromet er.
Dimensions:
Æ 270 mm, 800 mm height,
Weight: approx. 5.5 kg
8712.0000
Vibrating Table for p ress ure c hamber type 8710
Cabinet for Pressure / Vacuum Chamber
Sheet s teel con str ucti on with wooden top plate an d lock able f ront d oor; s erves f or ins talli ng tes t cham bers 8700 or 8710
and test barometer support type 8740. Suitable for containing the pressure/vacuum pump.
Dimensions:
710 x 1000 x 700 mm (H x W x D),
Weight: approx. 55 kg
8721.0000
Base Plate serves as a bas e for p ress ure c hamber 8710 i ncl. acces sori es.
Dimensi ons:
900 x 600 x 19 mm
Weight: approx. 6.3 kg
8740.0000
Support for Test Barom eter
Plas tic c oated wooden cons truc tion; backg round illum inati on by means of a f luores cent l amp.
Dimensions: 1300 x 170 x 120 mm
Power s upply: 230 VAC 50 Hz
Test barometers, refer to pr oduct group 5
8720.0000
W ei ght: approx. 7 kg
0123
Test, Calibration
THEODOR FRIEDRICHS & CO.
Meteorologische Geräte und Sys teme GmbH
Group 8
page 4
Type No.
Control Panel for Rem ote Vernier Control
to operate control motors type 8742 or 8744, with built-in power supply and push buttons for remote op eratin g of t he verni er
disp lacemen t.
Power supply:
230 VAC 50 Hz
Contr ol panel f or 1 c ontrol motor
8741.0000
Dimensions:
265 x 170 x 120 mm
Contr ol panel f or up t o 4 cont rol mot ors
8741.1000
Weight:
0.9 kg / 1.8 kg
8742.0000
Control Motor
for ver nier c ontrol , cons isti ng of U -shaped fast ening b racket , gui ding b racket s and a D C gear m otor, c oupled t o a recep tacle wh ich i s sc rewed to t he knur led vern ier adj ustm ent knob of th e baromet er on tes t.
Power supply: refer to type 8 741
Dimensions:
Control Unit for Fort in Barometers
135 x 71 x 45 mm
Weight:
approx. 0.3 kg
for z ero adju stmen t at th e mercu ry vess el bott om.
Suit able f or 1 For tin b arometer incl . adapt er
parts for pressure chamber type 8700
8744.0000
Power supply:
refer to type 8741
as above, f or 2 bar ometers
8744.1000
Dimensions:
Æ 85 mm, 60 mm high
as above, f or 3 bar ometers
8744.2000
Weight:
approx. 0.3 kg
as above, f or 4 bar ometers
8744.3000
Control unit similar to 8744.0000, but suitable f or
pressure chamber 8710
8745.0000
8750.0000
Pressure/Vacuum Pump
Rotary vane pump for pressure chambers 8700 or 8710, equipped with relief valve and oil separator.
8760.0000
Double Piston Vibration Pum p
Low noise pump without rotating parts, suitable for pressure chamber 8710, range 700...1100 hPa.
Rain Gauge Test Equipment
8800.0000
for calibrating any kind of precipitation gauge; equipped with rotary pump and precision
flow meter for exac t sim ulati on of r ainf all int ensit y, with injec tor f or st atic b alancing of
tipping bucket measuring systems and measuring cylinder to measure the reference water amou nt.
Frame m ade of an odized al umini um and P VC.
Water pump:
rotary pump 0.44 kW, 2.2 A
Connec tion:
230 VAC 50 Hz, via mains plug
Operating range:
Dimensions:
up to 15 mm/min pr ecipi tation rate,
2
related to 200 c m orifice
1900 x 600 x 500 mm (H x W x D)
Weight:
approx. 35 kg
Sensor Test Unit
8820.0000
suitable for test of sensors listed in group 2...7. The individual configuration for each
applic ation d epends on the l ayout of the com plete met eorologi cal s ystem (on request,
available i n a sealed carr ying c ase - see illustration).
Sensor Simulator
suit able f or cal ibrat ion of measur ing c onverter s or d ata acqui siti on syst ems (aut omatic
weather stations). Simulation of all sensor functions listed in group 2...7 is possible. The
individual configuration for each application depends on the layout of the complete meteorolog ical s ystem ( on requ est, available i n a sealed carr ying c ase - see illustration).
8821.0000