7MF5987-2EB

Input

Measured variable

Differential pressure and flow

Span (infinitely adjustable)

Measuring span

Maximum operating pressure

1,25 ... 250 mbar
(0.5 ... 100.4 inH₂O)

160 bar (2320 psi)

6,25 ... 1250 mbar
(2.5 ... 502 inH₂O)

Lower measuring limit

• Measuring cell with silicone oil filling

100% of max. span and/or 30 mbar a (0.44 psi a)

Upper measuring limit

100% of max. span

Start of scale

Between measuring limits (infinitely adjustable)

Output

Output signal

4 ... 20 mA

• Lower limit (
  infinitely adjustable)

3.55 mA, factory preset to 3.8 mA

• Upper limit (
  infinitely adjustable)

23 mA, factory setting 20.5 mA

• Ripple
  (without HART communication)

I _{pp ≤ 0.5 of max.} output current

• adjustable damping

0... 100 s in steps of 0.1 s, factory-set to 2 s

• current transmitter

3.55 ... 23 mA

• Failure signal

adjustable within limits:

• Bottom: 3,55 … 3,7 mA
• Top: 21,0 … 23 mA

Load

• Without HART communication

R _B ≤ (U_H - 10.5 V)/0.023 A in Ω,
U_H : Power supply in V

• With HART communication

• HART-Communicator

R _B = 230 ... 1100 Ω

• HART modem

R _B = 230 ... 500 Ω

Characteristic curve

Linearly rising, linearly falling, square rooted characteristic rising, bidirectional square rooted characteristic and user-specific

Measuring accuracy

Reference conditions (in accordance with IEC 60770-1)

• Rising characteristic curve
• Start of scale 0 bar
• Stainless steel seal diaphragm
• Measuring cell with silicone oil filling
• Room temperature (25 °C (77 °F))
• r: Span ratio

• (r = max. span / adjusted span)

Total accuracy
(Total Performance)

Linear characteristic

• r + 5

≤ 0,09 %

• 5 <r ≤ 10

≤ 0,11 %

Square-rooted characteristic

• Flow 50%

• r + 5

≤ 0,09 %

• 5 <r ≤ 10

≤ 0,11 %

• Flow 25 % … 50 %

• r + 5

≤ 0,18 %

• 5 <r ≤ 10

≤ 0,22 %

Conformity error at limit setting incl. hysteresis and reproducibility

Linear characteristic

• r ≤ 10

≤ 0,04 %

• r > 10

(0,003 ^. r + 0.01) %

Square-rooted characteristic

• Flow 50%

• r ≤ 10

≤ 0,04 %

• r > 10

(0,003 ^. r + 0.01) %

• Flow 25 % … 50 %

• r ≤ 10

≤ 0,08 %

• r > 10

(r + 0.02 ^. 0,06) %

Influence of ambient temperature per 28 °C

(0,006 ^. r + 0.01) % /28%

Influence of static pressure

• On the zero point (PKN)

≤ 0.005 % per 70 bar

• On the span (PKS)

≤ 0.03 % per 70 bar

Step response time T₆₃ without electrical damping

≤ 90 ms

Long-term stability

≤ 0.1 · ) % per 5 years

≤ 0.15 · ) % per 10 years

Influence of power supply

≤ 0.005 ... 1 V

Rated conditions

Mounting position

Any

Ambient conditions

• Ambient temperature
  (Note: Observe the temperature class in areas subject to explosion hazard.)

• total device

-40 ... +85 °C (-40 ... +185 °F)

• Readable digital display

-20 ... +85 °C (-4 ... +185 °F)

• Storage temperature

-50 ... +90 °C (-58 ... +194 °F)

Climatic class

• Condensation

Relative humidity 0 … 100 % (condensation permissible)

Degree of protection (to EN 60529)

IP66/IP68 (with corresponding cable gland)

Electromagnetic Compatibility

• Emitted interference and interference immunity

Acc. to EN 61326 and NAMUR NE 21

Permissible pressures

According to 97/23/EC pressure equipment directive

Temperature of medium

• Measuring cell with silicone oil filling

-40 ... +125 °C (-40 ... +257 °F)

(Notes that the process flanges will not admit a flow of medium of temperature > 100 °C.)

Design

Weight (without options)

Approx. 3,3 kg (7.3 lb)

Material of parts in contact with the medium

• Seal diaphragm

Stainless steel, mat. no. 1.4404/316L

• Process connection and sealing screw

• PN 160: stainless steel, mat.-No. 1.4404

• O-Ring

Standard: Viton (FKM (FPM))
optional: NBR

Material of parts not in contact with media

Electronics housing

• Low copper die-cast aluminum AC-AlSi12 (Fe) or AC-AlSi 10 Mg (Fe) to DIN EN 1706
• Lacquer on polyurethane base, optional epoxy-based primer
• Stainless steel serial plate

Process connection screws

Stainless steel

Mounting bracket

Steel or stainless steel

Measuring cell filling

Silicone oil

Process connection

¼-18 NPT female thread and flange connection with M10 to DIN 19213 or 7/16-20 UNF mounting thread to EN 61518

Electrical connection

• Screw terminals
• Cable entry via the following screwed glands:
  • M20 x 1.5
  • ½-14 NPT
  • Han 7D/Han 8D connector
  • M12 plug

Displays and controls

Keys

3 for local programming directly on transmitter

Digital display

• With or without integrated digital display (optional)
• Cover with or without window (optional)

Auxiliary power supply

Terminal voltage on transmitter

• DC 10.5 V ... 45 V
• With intrinsically-safe operation DC 10.5 V ... 30 V

Separate power supply

Certificates and approvals

Classification according to PED 97/23/EC

• PN 160 (MWP 2320 psi)

For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of article 3, paragraph 3 (sound engineering practice)

Explosion protection

Explosion protection for Europe (to ATEX)

• Intrinsic safety "i"

PTB 09 ATEX 2004 X

• Marking

Ex II 1/2 G Ex ia/ib IIC T4

• Permissible ambient temperature

-40 ... +85 °C (-40 ... +185 °F)

• Connection

To certified intrinsically-safe circuits with peak values:
U_i = 30 V, I_i = 100 mA, P_i = 750 mW; R_i = 300 Ω

• Effective internal inductance:

L_i = 400µH

• Effective inner capacitance:

C_i = 6 nF

• Explosion-proof "d"

BVS 09 ATEX E 027

• Marking

Ex II 1/2 G Ex d IIC T4/T6

• Permissible ambient temperature

-40 ... +85 °C (-40 ... +185 °F) temperature class T4;
-40 ... +60 °C (-40 ... +140 °F) temperature class T6

• Connection

To circuits with values: U_m = DC 10.5 ... 45 V

• Dust explosion protection for zone 20

PTB 09 ATEX 2004 X

• Marking

Ex II 1 D Ex iaD 20 T 120 °C

• Permissible ambient temperature

-40 ... +85 °C (-40 ... +185 °F)

• Max. surface temperature

120 °C (248 °F)

• Connection

To certified intrinsically-safe circuits with peak values:
U_i = 30 V, I_i = 100 mA,
P_i = 750 mW, R_i = 300 Ω

• Effective internal inductance:

L_i = 400µH

• Effective inner capacitance:

C_i = 6 nF

• Dust explosion protection for zone 21/22

BVS 09 ATEX E 027

• Marking

Ex II 2 D IP65 T 120 °C

• Connection

To circuits with values: U_H = 10.5 ... 45 V DC; P_max = 1.2 W

• Type of protection "n" (zone 2)

PTB 09 ATEX 2004 X

• Marking

Ex II 3 G Ex nA II T4/T6
Ex II 2/3 G Ex ib/nL IIC T4/T6
Ex II 2/3 G Ex ib/ic IIC T4/T6

• "nA" connection

U_m = 45 V DC

• "nL" connection

U_i = 45 V

• Effective internal inductance:

L_i = 400µH

• Effective inner capacitance:

C_i = 6 nF

Explosion protection for USA (to FM)

Certificate of Compliance

No. 3033013

• Identification (XP/DIP) or (IS)

XP CL I, DIV 1, GP ABCDEFG T4 / T6
DIP CL II, III, DIV1, GP EFG T4/T6
IS CL I, II, III, DIV1, GP ABCDEFG T4

CL I, Zone 0, AEx ia IIC T4
CL I, Zone 1, AEX ib IIC T4

• Permissible Ambient Temperature

T_a = T4: -40 ... +85 °C (-40 ... +185 °F)
T_a = T6: -40 ... +60 °C (-40 ... +140 °F)

• Entity parameters

According to "control drawing":
V_max = 30 V, I_max = 100 mA,
P_i = 750 mW, L_i = 400µH , Ci = 6 nF

• Marking (NI/NO)

NI CL I, DIV2, GP ABCD T4/T6
NI CL I, Zone 2, GP IIC T4/T6
S CL II, III, GPFG T4/T6
NI CL I, DIV2, GP ABCD T4/T6, NIFW
NI CL I, Zone 2, GP IIC T4/T6, NIFW
NI CLII, III, DIV2, GP FG T4/T6, NIFW

• Permissible Ambient Temperature

T_a = T4: -40 ... +85 °C (-40 ... +185 °F)
T_a = T6: -40 ... +60 °C (-40 ... +140 °F)

• (NI/S) parameters

According to "control drawing":
V_max = 45 V, L_i = 400µH, Ci = 6 nF,

Explosion protection for Canada (to _C CSA _US )

Certificate of Compliance

No. 2280963

• Marking (XP/DIP)

CL I, DIV 1, GP ABCD T4 /T6;
CL II, DIV 1, GP EFG T4/T6

• Permissible Ambient Temperature

T_a = T4: -40 ... +85 °C (-40 ... +185 °F)
T_a = T6: -40 ... +60 °C (-40 ... +140 °F)

• Entity parameters

According to "control drawing":
V_max = 45 V

• Marking (ia/ib)

CL I, Ex ia/Ex ib IIC, T4
CL II, III, Ex ia/Ex ib, GP EFG, T4
CL I, AEx ia/AEx ib IIC, T4
CL II, III, AEx ia/ AEx ib, GP EFG, T4

• Permissible Ambient Temperature

T_a = T4: -40 ... +85 °C (-40 ... +185 °F)

• Entity parameters

U_i = 30 V, I_i = 100 mA, P_i = 750 mW, R_i = 300 Ω , L_i = 400 µH, C_i = 6 nF

• Marking (NI/n)

CL I, DIV2, GP ABCD T4/T6
CL II, III, DIV2, GP FG T4/T6
Ex nA IIC T4/T6
AEx nA IIC T4/T6
Ex nL IIC T4/T6
AEx nL IIC T4/T6

• Permissible Ambient Temperature

T_a = T4: -40 ... +85 °C (-40 ... +185 °F)
T_a = T6: -40 ... +60 °C (-40 ... +140 °F)

• NI/nA parameters

According to "control drawing":
V_max = 45 V

• nL parameters

According to "control drawing":
U_i = 45 V, I_i = 100 mA, L_i = 400 µH, C_i = 6 nF

Load with connection of

• HART communicator

R _B = 230 ... 1100 Ω

• HART modem

R _B = 230 ... 500 Ω

Cable

2 wire shielded: ≤ 3.0 km (1.86 miles),
multiwire shielded: ≤ 1.5 km (0.93 miles)

Protocol

HART Version 6.0

PC/laptop requirements

IBM compatible, RAM > 32 Mb,
hard disk > 70 Mb, depending on modem type: RS 232-interface or USB connection,
VGA graphics

Software for computer

SIMATIC PDM 6.0