NoShok 625, 626 Specifications
Pressure
Intrinsically Safe Pressure Transmitters
625/626 SERIES
• Designed for applications that require pressure measurement in hazardous locations
• Accuracy to ±0.125% full scale (BFSL)
• Wide variety of pressure ranges available
• Advanced diffused semi-conductor and sputtered thin lm sensor for maximum stability
• Available with a standard threaded connection as well as a ush diaphragm conguration
• Welded 316 stainless steel with no internal o-rings, gaskets or seals - optional Hastelloy C4 on
ush diaphragm model
• Entity approved for use with all approved Zener barriers where required
• CE compliant to suppress RFI, EMI, and ESD
• ANSI/ISA-12.27.01-2003 approved single seal
• Factory Mutual & Canadian Standards Association approved
Output signal 4 mA to 20 mA, 2-wire
Accuracy ±0.25% full scale (BFSL); optional ±0.125% full scale (BFSL) (Includes the
Hysteresis ≤ ±0.1% full scale
Repeatability ≤ ±0.05% full scale
Stability ≤ ±0.2% full scale for 1 year, non-accumulating
Pressure ranges Standard ranges from vacuum to 15,000 psi
FE ATURES
■
Accuracy to ±0.125% full scale
(BFSL)
■ Advanced diffused semi-
conductor and sputtered thin
film sensor for maximum stability
■ Welded 316 stainless steel,
optional Hastelloy C4 on
flush diaphragm model
■ 1/2″ NPT conduit connection
■ Entity approved for use with
all approved zener barriers
where required
■ ANSI/ISA-12.27.01-2003
Approved single seal
NOSHOK Model 625 and 626 transmitters are approved for use
in hazardous location applications as follows:
Intrinsically Safe, entity approval for Class I, II and III, Division 1,
Groups A, B, C, D, E, F and G; and Class I, Zone 0 Aex ia IIC
Dust Ignition-proof for Class II and III, Division 2, Groups F and G
Non-incendive for Class I, Division 2, Groups A, B, C and D
APPLICATIONS
■ Chemical/Petrochemical
■ Marine
■ Pipeline gas
compressors
■ Oil field
■ Offshore
■ Vapor recovery
Proof pressure 3.5 times full scale for ranges 0 psi to 5 psi through 0 psi to 200 psi
Burst pressure 4 times full scale for ranges 0 psi to 5 psi through 0 psi to 200 psi
Power supply* 10 Vdc to 30 Vdc (4 mA to 20 mA, 2-wire)
Load limitations ≤ (VPower-10)/0.020 Amp
Response time ≤ 1 ms (between 10% and 90% full scale)
Durability > 100,000,000 full scale cycles
Adjustment ± 10% full scale for zero and span
Temperature ranges Compensated 32 °F to 176 °F (0 °C to 80 °C);
Wetted materials Series 625 is 316 stainless steel for ranges up through 0 psi to 300 psi, 316
Housing material 316 stainless steel
Environmental rating IP65 to IP67 depending upon electrical connection
Electromagnetic rating 2004/108/EEC, EN 61326 Emission (Group 1, Class B) and Immunity
Electrical protection Reverse polarity, over-voltage and short circuit protected
Shock 1,000 g’s according to IEC770 for mechanical shock
Vibration
Hazardous approvals
Weight Approximately 7 oz.
APPROVED
SPECIFICATIONS
effects of non-linearity, hysteresis, non-repeatability, zero point and full scale errors)
2 times full scale for ranges 0 psi to 300 psi through 0 psi to 10,000 psi
1.5 times full scale for 0 psi to 15,000 psi range
4 times full scale for ranges 0 psi to 300 psi through 0 psi to 10,000 psi
3 times full scale for 0 psi to 15,000 psi range
Zero effect is ±0.011% full scale/ °F
Span effect is ±0.011% full scale/ °F;
Ambient - 4 °F to 176 °F (-20 °C to 80 °C)
Media -4 °F to 185 °F (-20 °C to 85 °C);
Storage -22 °F to 221 °F (-30 °C to 105 °C)
stainless steel with 17-4PH stainless steel diaphragm for ranges 0 psi to
300 psi and higher: Series 626 is 316 stainless steel with NBR o-ring;
Hastelloy® C4 optional; FKM o-ring optional
(industrial locations)
20 g’s according to IEC770 under resonance conditions
Factory Mutual and Canadian Standards Association approved as indicated
ANSI/ISA-12.27.01-2003, Approved single seal
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* Unregulated power supplies
625/626
SERIES
DIMENSIONS
WIRING DIAGRAMS
ELECTRICAL CONNECTIONS
ORDERING INFORMATION
SERIES 625 Stainless steel threaded connection 626S 316 Stainless steel flush diaphragm 626H Hastelloy ush diaphragm
ORDERING INFORMATION
PRESSURE
RANGES
ACCURACY 1 ±0.25% full scale (BFSL) 2 ±0.125% full scale (BFSL)
OUTPUT SIGNAL 1 4 mA to 20 mA, 2-wire
PROCESS
CONNECTIONS
ELECTRICAL
CONNECTIONS
OPTION ORF Threaded Orifice (Series 625 only)
4 /12 oz/in2-4 oz/in2 to 12 oz/in230/100 -30 inHg to 100 psig 150 0 psig to 150 psig 5000 0 psig to 5,000 psig 100A 0 psia to 100 psia
2
12 oz/in
0 oz/in2 to 12 oz/in230/150 -30 inHg to 150 psig 200 0 psig to 20 0 psig 6000 0 psig to 6,000 psig 15 0A 0 psia to 150 psia
2
16 oz/in
0 oz/in2 to 16 oz/in230/200 -30 inHg to 200 psig 300 0 psig to 300 psig 7500 0 psig to 7,500 psig 200A 0 psia to 200 psia
50 inH
O 0 inH2O to 50 inH2O 3 0 psig to 3 psig 500 0 psig to 500 psig 8000 0 psig to 8,000 psig 300A 0 psia to 300 psia
2
100 inH
O 0 inH2O to 100 inH2O 5 0 psig to 5 psig 750 0 psig to 750 psig 10000 0 psig to 10,000 psig
2
30vac -30 inHg to 0 psig 15 0 psig to 15 psig 1000 0 psig to 1,000 psig 15000 0 psig to 15,000 psig
30/15 -30 inHg to 15 psig 30 0 psig to 30 psig 1500 0 psig to 1,500 psig 15A 0 psia to 15 psia
30/30 -30 inHg to 30 psig 60 0 psig to 60 psig 2000 0 psig to 2,000 psig 30A 0 psia to 30 psia
30/60 -30 inHg to 60 psig 100 0 psig to 100 psig 3000 0 psig to 3,000 psig 60A 0 psia to 60 psia
psig = gauge pressure psia = absolute pressure Other ranges available on special request NOTE: Series 626 is available for pressure ranges up to 0 psig to 8000 psig
2 1/4″ NPT Male 11 G1/2B Male flush (series 626 only) (pressure ranges 0 psig to 30 psig and higher)
6 9/16″ -18 UNF 2B high pressure cone* 13 G1B Male flush (series 626 only) (pressure ranges less than 0 psig to 30 psig
8 1/2" NPT Male 45 SAE J1926-3:7/16-20
1 36″ cable (connected to option 8) 14 Hirschmann connector 1/2 ″ NPT conduit - IP65
3 6-pin Bendix - IP65 25 M12x1 (4-pin) IP67
8 Hirschmann (DIN EN 175301-803 Form A) 36 Integral cable 36″ - IP67
Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.
Series ........................................................ 625
Pressure range .................. 0 psig to 500 psig
Accuracy .............................±0.25% full scale
Output signal ..........................4 mA to 20 mA
Process connection ...............1/2″ NPT Male
Electrical connection .................Hirschmann
Option ................................... Threaded orifice
0.68"
(17.3 mm)
Integral 36″ cable
*6 pin Bendix
*Note: mate supplied
separately or customer supplied
2-WIRE WIRING
Hirschmann Cable M12 Bendix
+ Supply 1 Red/Brown 1 A
+ Output 2 Black/Green 3 B
1.36″
(34.5 mm)
0.51"
(13 mm)
625 – 500 – 1 – 1 – 8 – 8 – ORFEXAMPLE
*M12 x 1 (4-pin)
Outline Dimensions
0.54"
(13.8 mm)
1.65"
(42 mm)
Hirschmann with
1/2″ NPT Female
ISO 4400 conduit
NOTE
See 621/622 Series
for G1/2B and G1B
front ush process
connection dimensions
pg. 29
1.06" sq.
(27 mm)
1.06" HEX
(27 mm)
1/2" NPT
1.06"
(27 mm)
(47 mm)
1.85"
Hirschmann
1.06" sq.
(27 mm)
1.10 "
(28 mm)
2.16"
(55 mm)
0.75"
(19 mm)
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