| case |
steel black
|
| ring |
bayonet ring
steel black |
| model / case filling |
RFB/ without case filling
RFBG/ with case filling |
| accuracy class / nominal case size |
0.6 NCS 160, 250 (6", 10") |
| wetted material |
– 1 copper alloy
– 3 stainless steel |
| pressure ranges |
0-0.6 bar to 0-1600 bar (0-10 psi to 0-20000 psi) |
Standard pressure gauges (data sheet 2101)
| case |
steel black
|
| ring |
bayonet ring
steel black |
| model / case filling |
RFB/ without case filling
RFBG/ with case filling |
| accuracy class / nominal case size |
0.6 NCS 160, 250 (6", 10") |
| wetted material |
– 1 copper alloy
– 3 stainless steel |
| pressure ranges |
0-0.6 bar to 0-1600 bar (0-10 psi to 0-20000 psi) |
德国MT AB 2101 精密压力表 标准压力表 WIKA精密压力表 原装压力表
Test Gauges, Bourdon Tube Type
Bayonet Ring Case Carbon Steel
Standard (RFB) or Liquid Filled (RFBG)
2101
How to Order:
Model code/case size: RFB 160 (6") or RFB 250 (10")
RFBG 160 (6")
Wetted parts: –1 or –3 (compare left) or –6 (see above)
Case configuration: r, Rh, rRh, Fr, rFr
(see reverse side) rBFr (model RFB 160 only)
(Standard case = bottom connection = without
code letter)
Pressure range: according to EN 837-1, e.g. 0-6 bar
(compare general info. leaflet 2000)
Process connection: ½" BSP (= standard) or ½" NPT
(others see above)
Special configurations: (see above)
Examples for Ordering Information:
• RFBG 160–3, rFr, 0-6 bar, G ½ B
• RFB 250–1, -1/+9 bar, ½" NPT
Accuracy Class
NCS: 0.6 EN 837-1
160 (6")
250 (10")
Optional Special Configurations
• Test gauge Grade 3A ASME (± 0.25%), parallax-free mirror scale
• Accuracy class 0.25 EN 837-1, with parallax-free mirror scale,
for RFB 250–1; for –3 and NCS 160 upon request
• Zero adjustment by a turnable dial (± 5 scale graduations), knurled
adjustment screw at the right side, for models RFB 160, 250
• Parallax-free mirror scale
• Case size 100 (4") upon request
• Process connection ¼" NPT or M 20 x 1,5, others upon request
• Inlet port restrictor screw brass or stainless steel
• Movement stainless steel with jewel bearing
• Maximum indicating pointer, external adjustment, acrylic glass
lens (pressure ranges > 2.5 bar or 30 psi)
• Acrylic glass or laminated safety glass lens
• 1" blow-out relief on the back of the case for model RFB
• Special scales, such as dual scales, e.g. bar/psi
• Receiver gauge 0.2-1 bar or 3-15 psi
• Top or side connection or installation not vertical, e.g. 90° to the
right side (right side from a viewer s perspective)
• Bleeding port at the tip of the Bourdon tube for models RFB 160, 250
• Version –1, pressure ranges > 100 bar with Bourdon tube made
of hardened, tempered alloy steel, C-form, screwed together
• Wetted parts monel (ordering code –6) up to range 0-400 bar
(6,000 psi)
• Electrical accessories upon request
RFB
RFBG
Testing and comparing process instruments, and measuring services
where high accuracy is required (indoor use only). Pressure ranges
up to 0-25 bar (400 psi) for gaseous media, dial marked with "G",
0-40 bar (600 psi) and up for liquid media (dial marked with "F").
Nominal Case Sizes (NCS)
Model RFB: 160 mm (6"), 250 mm (10"), model RFBG: 160 (6")
Accuracy
Class 0.6 according to EN 837-1
Pressure Ranges (EN 837-1)
Version –1* = 0-0.6 ... 0- 600 bar or 0-10 psi ... 0-10,000 psi
Version –3* = 0-0.6 ... 0-1,600 bar or 0-10 psi ... 0-30,000 psi
Model RFBG 0-2.5 bar resp. 0-30 psi and up for all versions
also vacuum and compound ranges (*see below)
Pressure Limitations
Steady pressure: full scale value
Cyclic pressure: 90% of full scale value
Overpressure: 130% of full scale value (temporary)
Protection Type (EN 60529 / IEC 529)
Model RFB: IP 54, model RFBG: IP 65
Further information about advantages, specifications, temperature limitations and
pressure ranges of test gauges can be found in our model overview 2000.
Standard Configuration
Connection
G ½ B (½" BSP), optionally ½" NPT, bottom connection (standard)
or lower back connection (code letter r)
Wetted Parts
Ordering Code –1:Socket: = brass
Bourdon tube:
< 40 bar = bronze, C-form,
(< 600 psi) soft soldered
60 bar = copper/beryllium, C-form,
(>800 psi) silver brazed
> 100 bar = 316 stainless steel (1.4571),
(>1,500 psi) helical, silver brazed
Ordering Code –3: Socket: = 316 stainless steel (1.4571)
Bourdon tube:
< 40 bar =316 stainless steel (1.4571),
(< 600 psi) C-form, argon arc welded
> 60 bar = 316 stainless steel (1.4571),
(>800 psi) helical, argon arc welded
> 1000 bar = NiFe alloy, helical,
(>15,000 psi) argon arc welded
Movement
Brass/German silver, low friction
Dial
Aluminum alloy, black figures, white background
Pointer
Knife edge pointer aluminum alloy black
Case and Bayonet Ring
Carbon steel black
Case Filling
Model RFBG 160 only: Glycerine
Lens
Single strength glass, 0-1600 bar (> 0-20,000 psi) laminated safety glass
Safety Features:
RFBG: Top blow-out assembly
