Throughout the 20th century, the Weiss name has been synonymous with
quality and reliability in instrumentation. Some of the products we have
manufactured for more than 124 years are proudly illustrated in this
catalog, dedicated to your requirements in the plumbing, heating and
cooling industry. Recent products such as our line of Vari-angle Digital
Thermometers, fast becoming the Contractor choice, are also available
to you.
Whether you require instruments for temperature or pressure monitoring,
the Weiss line offers a choice. Our commitment to quality extends well
beyond the products we provide. Each day we strive to offer our customers
responsive service and reliable deliveries, qualities so necessary in today’s
business climate. Weiss understands the trends of today’s market and we
look forward to proving our ability to react to the daily challenge.
A Quality Commitment ... Since 1882
INDEX
Industrial ThermometersPage 3
Six Inch and Thrift Line Industrial Thermometers4
Six Inch Hot & Chilled Water, Hot Water Bimetal and General Purpose Thermometers5
Bimetal Dial Thermometers6
Vapor Actuated Dial Thermometers7
Digital Vari-angle Thermometers8
Trade Line and HVAC Pressure Gauges9
Industrial Pressure Gauges10
Process Pressure Gauges11
Stainless Steel Industrial Gauges12
Low Pressure Diaphragm Gauges and Tri-o-meters13
Diaphragm Seals14
Gauge Accessories and Hand Held Digital Thermometers15
The Weiss 7" and 9" Vari-angle®is molded of GE Valox®polyester,
40% glass/mineral reinforced. This particular material has excellent
strength, impact and stiffness properties which makes it perfect for
the toughest applications. Some of the uses are process piping,
tanks, pipelines in
Vari-angle is a versatile thermometer that can be adjusted easily
for optimum readability. Furnished in ranges up to and including 300°F.
ari-angle is a registered trademark of Weiss Instruments, Inc.
® V
FILL: Weiss "Blue Ribbon Liquid" is non-toxic and environmentally safe.
CASE: Modern V-shape design with parts molded of GE Valox polester,
in black textured finish. Heavy glass protected front firmly secured against
rattles by spring action.
STEM: For 31/2" stems only and ranges up to and including 300°F, the
stem material is a precision die cast Zamac alloy. For ranges above
300°F, bulb chamber is a precision machined aluminum alloy with copper
plated steel stem extension. For Separable Socket connections only.
alox is a registered trademark of the General Electric Co.
® V
building construction, boilers and air ducts. The
E35-75BS
9VU35
AIR DUCT THERMOMETERS
9" SCALE CAT NO.
31/2" STEM 9VD35
6" STEM9VD6
9" STEM9VD9
12" STEM 9VD12
ADD RANGE CODE FROM RANGE TABLE
LISTING. EX: 9VD6-180 (RANGE 30-180F)
ADD RANGE CODE FROM RANGE TABLE LISTING. EX: 9VU35-240 (RANGE 30-240F)
ABOVE CATALOG NUMBERS DO NOT INCLUDE SOCKETS - ORDER SEPARATELY
FROM THERMOWELL TABLE LISTING.
The Weiss 6" Navy Class Thermometer is compactly designed, ruggedly
constructed and has excellent readability. The blue-reading liquid-in-glass
tube maintains accuracy despite vibrations and shock.
This economical thermometer is built for general hydronic applications
such as chilled and hot water lines and all small piping networks. It is
especially adaptable to equipment operating under continuous vibrating
conditions.
FILL: Weiss "Blue Ribbon Liquid" is non-toxic and environmentally safe.
CASE: Attractive modern design; V-shaped gray Valox case. Wide angle
construction allows full scale width for easy reading.
STEM ASSEMBLY: Standard fittings of all brass construction which insures
5AS2
STRAIGHT FORM CAT NO. ANGLE FORMCAT NO. BRASS 304SS 316SS STEMINSERTION U
ADD RANGE CODE FROM RANGE TABLE LISTING. EX:5AS2-240 (RANGE 30-240F)
ABOVE CATALOG NUMBERS DO NOT INCLUDE SOCKETS - ORDER SEPARATELY
FROM THERMOWELL TABLE LISTING.
5SS2
proper response to temperature changes. Standard dual threaded socket for
1/2" and 3/4" NPT. Meets all current military specifications (Army, Navy, Air Force).
NAVY CLASS THERMOWELLS
TL5A2
THRIFT LINE THERMOMETERS
Same Features as Navy Class Thermometer except:
STEM & SOCKET ASSEMBLY: All brass stem. Removable socket
secured to stem by set-screw. Socket standard in brass with 1/2" NPT.
STRAIGHT FORM CAT NO. TL5S2
ANGLE FORMCAT NO. TL5A2
ADD RANGE CODE FROM RANGE
EX: TL5S2-240 (RANGE 30-240F). ABOVE CATALOG
NUMBERS DO NOT INCLUDE SOCKETS ORDER
SEPARATELY FROM THERMOWELL TABLE LISTING.
The Weiss 6" Hot & Chilled Water Thermometer is our most
economical offering in industrial glass thermometers. The unit features components of non-corrosive materials and its compact design
and excellent readability makes the HW & CW Series ideal for a variety of general purpose applications. Typical applications include
small pipe lines, residential and commercial boilers, solar heating systems.
SCALE LENGTH: 5 1/2"
SCALE: White coated aluminum with permanently baked black markings.
TUBE: Magnifying blue liquid.
CASE: Molded V-shaped GE Valox®in gray textured finish.
RANGE: Hot Water 40-260°F (2°div.) and 5-125°C (1° div.)
Chilled Water -40-120°F (2°div.) and -40-50°C (1° div.)
COMPLETE WITH 1/2" NPT BRASS CONNECTION WITH 1-3/8" INSERTION.
HW5S2
HW5A2
HOT WATER BIMETAL DIAL THERMOMETERS
Weiss' most economical offering in the dial thermometers is ideal for a number of general heating
applications including small pipelines. Units are furnished with 1/2" NPT brass removable socket or
3/4" sweat connection.
DESCRIPTION DIAL SIZE CAT. NO. RANGE FITTING
21/2" HWBM25 32-250 F&C 1/2" NPT
WATER BIMETAL
HOT
4" HWBM40 32-250 F&C 1/2" NPT
&C 3/4" NPT
F
0
1/2" HWBM25S
2
4" HWBM40S 32-25
32-25
F&C 3/4" NPT
0
HWBM25
GENERAL PURPOSE THERMOMETERS
The instruments illustrated here are general purpose type. The group consists of bimetal dial, glass
eiss offers a complete line of Commercial Bimetal Thermometers
in 2", 3" and 5" dial sizes. All versions are hermetically sealed and
silicone dampened for optimum performance in most industrial
applications. A recalibration feature is standard on the Variangle types. Other 3" and 5" dial forms are available with
or without a reset feature for a wider customer choice and savings.
CASE: The entire case assembly is of Type 304 Stainless Steel. To insure
a moisture proof unit, the heavy glass face is securely gasketed with the
case and bezel assembly, hermetically sealed.
STEM ASSEMBLY: The stem and fixed thread connection is fabricated of stain-
less steel. All welded construction insures complete corrosion resistance.
5VBM42BM25
Model BM, RBM and VBM stem diameter is 1/4" and for 2" dials the fixed
thread is 1/4" NPT, 3" and 5" dials are 1/2" NPT.
thermometers are furnished
in four stainless steel case configurations for direct, surface or panel
mounting. The following coding chart illustrates a wide variety of bulb
styles, capillaries and process connection fittings. The versatility of
configurations makes these thermometers well suited to a wide range
of applications including hot and chilled water pipeline systems, tanks
and air ducts.
CODE
CATALOG
NO.
DESCRIPTION
CASE SIZE
I
353
45 4
1/2
1/2
" Case
" Case
CASE TYPE
VVari-angle®, Direct Mount
II
BBack Flange, Surface Mount
RSemi-flush, Panel Mount
ZAdjustable Bracket, Remote Mount
CASEHi-impact ABS
RANGE-50
DISPLAY3/8" LCD digits, wide ambient formula
ACCURACY1% of reading or 1° whichever is greater
RESOLUTION1/10° between -19.9/199.9°F (-28/93 °C)
RECALIBRATIONInternal potentiometer
LUX RATING10 Lux (one foot-candle)
UPDATE10 seconds
AMBIENT OPERATING-30/140° F (-35/60 ° C)
AMBIENT TEMP ERRORZero
HUMIDITY100%
SENSORGlass passivated thermistor
STEM ASSEMBL IESINDUSTRIAL GLASS BIMETALLIC
E35-75BS
/300° F -45/150° C
Full conformance with Full conformance with
Fed Spec GG-T-321D. AS ME B40.3 -1990.
Fully interchangeable Fully interchangeable
with Industrial Glass with Bimetallic Dial
Thermometers.Thermometers.
The Weiss patented*Digital Vari-angle®Thermometer maintains the strict requirements for themometers
in hydronic applications in that they’re self-powered and within 1% accuracy. This reliable series of digital
thermometers offers the added feature of stem assemblies for direct replacement of mercury-in-glass
types where environmental concerns exist. Whether on new installations or replacements, our
Vari-angle Digital Thermometers include the same level of quality that the industry associates with the
Vari-angle trademark and all Weiss Products.
Weiss TL Gauges are intended for general service
conditions, for pressure or vacuum on air, oil, water,
gas or other mediums that do not attack brass.
TL Gauges are furnished in drawn steel cases, finished
in black. The 1
and 2" dial versions are available with 1/4" or 1/8" NPT
connections. All other dial sizes are 1/4" NPT. All gauges
conform with ANSI B40.1 accuracy Grade B-2%
mid scale.
The Weiss Series 088 Gauges are ideal for use on boilers, compressors, pumps, and any industrial
applications that require a heavy duty internal gauge. Our 4
1/2" case styles have a
glass window, solid back with safety blow out disc standard. Available in two case stylesStyle B: Aluminum Back Flange and Style N: Aluminum No Flange, all have 1/4" NPT lower
mount connection. Optional 1/2" NPT available.
TO SPECIFY
SIZE CAT. NO. CASE STYLE NPT MOUNT RANGE
41/2"4PG_-1 B - Back Flange 1/4" LM*––
41/2" 4UG_-1N - No Flange1/4"LM ––
The 41/2" Process Gauge is designed for those severe service applications
where operator safety is a factor. This solid front gauge is equipped with a
solid wall separating the indicating dial from the bourdon tube and a blowout back which will release from the case if the bourdon tube should
rupture.
Available with phosphor bronze/brass, 316 stainless steel or monel internals,
liquid-filled or dry construction, this gauge is ideally suited for the requirements of the Process, Power and Chemical Industries. This high quality
gauge offers the benefit of field filling without any additional kits or
accessories.
NF4UGY1
NF4UGY1 NON-FILLED / LF4UGY1 LIQUID FILLED
SOCKET: Brass
BOURDON TUBE: Phosphor bronze - C tube to 600 psi.
AISI 316 stainless steel coiled tube 1000 psi and above.
CONNECTING JOINTS: Silver brazed
MOVEMENT: Bushed stainless steel
DIAL: White aluminum, black & red markings (psi & kPa)
POINTER: Black aluminum, micrometer adjustable
CASE: Black impact resistant phenolic
WINDOW: Acrylic
RING: Reinforced polypropylene
GASKETS: Ethylene propylene
ACCURACY: 0.5% ASME B40.1 Grade 2A
CONNECTIONS: 1/4" or 1/2" NPT lower or lower back
CAT. NO. LF4UGY1: Lower connection only.
Where vibration, corrosion and pulsating conditions exist, the Weiss
line of stainless steel cased liquid filled and dry construction industrial
pressure gauges are designed to meet the most severe applications.
This series of instruments includes a wide range of accuracies, case
patterns and construction materials to cover most requirements.
LF251
LF402
LIQUID FILLED
T. NO.DIAL SIZEINTERNALSACCURACYNPT
CA
LF25121/2" BRONZE1.6%1/4"
LF2522
LF4414"BRONZE1%1/4"
LF4014" BRONZE1%1/4" or 1/2"
LF4024"316 S.S.1%1/4" or 1/2"
LF6026"316 S.S.1%1/4" or 1/2"
Above selections are for direct stem mounting. For panel mounting versions add suffix U (U-clamp) or F (Front Flange) to the above Catalog No.
1/2"316 S.S.1.6%1/4"
DRY CONSTRUCTION
CAT. NO.DIAL SIZEINTERNALSACCURACYNPT
NF25221/2" 316 S.S.2%1/4"
NF401 4"BRONZE1%1/4"
NF4024"316 S.S.1%1/4" or 1/2"
NF6016" BRONZE1/2%1/4"
NF6026"316 S.S.1/2%1/4" or 1/2"
RANGES FOR LF25 & NF25RANGES FOR LF40, NF40 & NF60
Designed for pressures below 15 psi, the Weiss Diaphragm Gauge offers
an instrument highly sensitive yet durably constructed. Furnished in black
drawn steel cases. Available in 2
back connected.
SOCKET: Brass
MOVEMENT: Brass
DIAPHRAGM: Copper alloy.
DIAL: White coated aluminum, lithographed with black
ri-o-meter is designed for use on all types of hot water heating systems. One
instrument reads the water pressure, water temperature and system head in feet of H
Available in 21/2" dial with 1/4" NPT rear connection and 31/2" dial with 1/2" NPT lower
or rear connected.
The Weiss line of Diaphragm Seals, in conjunction with Weiss pressure indicators, offers instrumentation
that’s rugged and carefully calibrated to withstand the most severe industrial, process or OEM service.
Our diaphragm seals are available in a variety of metal housing materials and process connection sizes
to fit most requirements.
DV
DT
MN
Series DS/DV/DT
Max. Pressure/ Temperature Limits: Vacuum thru 2300 psi to 100°F,
1500psi to 200°F, 600 psi to 400°F.
Top Housing: 1/4" or 1/ 2" NPT (304S.S. standard)
Diaphragm: 316 L S.S. welded, Viton* or Teflon**
Nuts and Bolts: Stainless Steel
Lower Housing: 1/4" thru 1" NPT
* Viton is furnished for Vacuum, 30 psi and Compound 30-0-15 psi ranges.
The Series
housing, as well as the diaphragm, are type
piece integral unit, ideally suited for those applications where space is a factor
MD/MN is a compact, lightweight, economical diaphragm seal. The upper and lower
B. Flushing/No FlushingC. Lower Housing Mat'lD. Process Conn.
=1/2" NPT
1 = Flushing conn.
316 stainless steel - all welded together making a one
.
50
75 =3/4" NPT
10 = 1" NPT
The use of a hermetically sealed, liquid filled pressure gauge in
seal protects the indicating gauge from both the process medium and atmospheric conditions, as
well as reduces pointer fluctuations due to vibration and pulsation.
Series MD
Opr. Pressure: 30 psi thru 1000 psi
emperature Limits:
T
Top Connection: 1/4" or 1/ 2" NPT
Process Connection: 1/4",1/2" or 3/4" NPT
The DT51A-1 is a type K thermocouple based single
probe thermometer with a range of -50/1999°F,
resolution switch (0.1°F or 1°F), Data Hold and Max
Memory feature, °F or °C switch and includes a
general use probe and carr
www.GlobalTestSupply.com
OBES
PR
Cat. No.
KS
KAType K Air/Surface probe8ft.
KGType K General Purpose probe8ft.
KPType K Puncture Probe5ft.
KOType K Oven probe8ft.
KLType K Long Velcro8ft.
KB
Description Length
ype K Surface probe w/velcro
T
ype K Bead probe
T
ying case.
8ft.
8ft.
15
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