7MF5987-1AC

Input

Measured variable

Differential pressure and flow

Span (infinitely adjustable)

Span (min. ... max.)

Max. permissible operating pressure
(static pressure)

1.25В ...В 250 mbar
(0.5В ...В 100В inH₂O)

160 bar (2320В psi)

6.25В ...В 1250 mbar
(2.5В ...В 500В inH₂O)

31.25В ...В 6250В mbarВ 
(12.54В ...В 2509В inH₂O)

0.16В ...В 32В barВ 
(2.33В ...В 465В inH₂O)

Low measuring limit

• Measuring cell with silicone oil filling

-100% of max. span and/or 30 mbarВ a (0.44В psia)

Upper measuring limit

100 % of max. span

Start of scale

Between the measuring limits (infinitely adjustable)

Output

Output signal

4В ...В 20 mA

• Lower limit (
  infinitely adjustable)

3.55 mA, factory preset to 3.8 mA

• Upper limit
  (infinitely adjustable)

23 mA, factory preset to 20.5 mA

• Ripple
  (without HART communication)

I_pp ≤ 0.4% of max. output current

• adjustable damping

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

• current transmitter

3.55В ...В 23 mA

• Failure signal

Adjustable within limits:

• Bottom: 3.55 … 3.7В mA (default value 3.6В mA)
• Top: 21.0 … 23В mA (default value 22.8В 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 = 230В ...В 1100 О©

• HART modem

R_B = 230В ...В 500 О©

Characteristic curve

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

Measuring accuracy

Reference conditions (in accordance with IECВ 60770-1)

All error information always refers to the set span.

• Rising characteristic curve
• Start of scale 0 bar
• Seal diaphragm stainless steel
• Measuring cell with silicone oil filling
• Room temperature (25 В°C (77 В°F))

Error in measurement at limit setting including hysteresis and reproducibility

r: Span ratio
(r = max. span / set span)

Linear characteristic

r ≤ 10

r ≥ 10

• 250 mbar (100 inH₂O)
  1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ 0.03 %

≤ (0.003 · r) %

Square-rooted characteristic

• Flow > 50%

r ≤ 10

r ≥ 10

• 250 mbar (100 inH₂O)
  1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ 0.03 %

≤ (0.003 · r) %

• Flow 25В % … 50В %

r ≤ 10

r ≥ 10

• 250 mbar (100 inH₂O)
  1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ 0.06 %

≤ (0.006 · r) %

Influence of ambient temperature per 28В В°C (50В В°F)

• 250 mbar (100 inH₂O)

≤ (0.025 · r + 0.014) %

• 1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ (0.006 · r + 0.03) %

Effect of static pressure

• At the start of scale value (PKN)

• 250 mbar (100 inH₂O)

≤ (0.035 · r) % per 70 bar (1015 psi) correction via zero point correction

• 1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ (0.007 · r) % per 70 bar (1015 psi) correction via zero point correction

• On the span (PKS)

• 250 mbar (100 inH₂O) and
  1250 mbar (502 inH₂O)

≤ 0.03 % per 70 bar (1015 psi)

• 6250 mbar (2509 inH₂O)

≤ 0.09 % per 70 bar (1015 psi)

• 32 bar (465 psi)

≤ 0.05 % per 70 bar (1015 psi)

Total performance¹⁾

Linear characteristic

r ≤ 5

5 ≤ r ≤ 10

• 250 mbar (100 inH₂O)

≤ 0.14 %

≤ 0.27 %

• 1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ 0.09 %

≤ 0.14 %

Square-rooted characteristic

• Flow > 50%

r ≤ 5

5 ≤ r ≤ 10

• 250 mbar (100 inH₂O)

≤ 0.14 %

≤ 0.27 %

• 1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ 0.09 %

≤ 0.14 %

• Flow 25% … 50%

r ≤ 5

5 ≤ r ≤ 10

• 250 mbar (100 inH₂O)

≤ 0.28 %

≤ 054 %

• 1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ 0.18 %

≤ 0.28 %

Step response time T₆₃
(without electrical damping)

• 250 mbar (100 inH₂O)
  1250 mbar (502 inH₂O)
  6250 mbar (2509 inH₂O)
  32 bar (465 psi)

≤ 88 ms, contains a dead time of ≤ 45 ms

Long-term stability

≤ (0.05 ^. r) % every 5 years

≤ (0.08 ^. r) % every 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

-40В ...В +85В В°C (-40В ...В +185В В°F)

• Display readable

-20В ...В +85В В°C (-4В ...В +185В В°F)

• Storage temperature

-50В ...В +90В В°C (-58В ...В +194В В°F)

Climatic class

• Condensation

Relative humidity 0 … 100 % (condensation permissible)

Degree of protection according to IECВ 60529

IP66/IP68 and NEMA 4X (with corresponding cable gland)

Electromagnetic compatibility

• Emitted interference and interference immunity

According to IECВ 61326 and NAMURВ NEВ 21

Permissible pressures

According to 2014/68/EU pressure equipment directive

Temperature of medium

• Measuring cell with silicone oil filling

-40В ...В +125В В°C (-40В ...В +257В В°F)

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, Hastelloy C276, Monel 400

• Process connection and sealing screw

PN 160: Stainless steel, mat. no.В 1.4404/316L

• Sealing material in the process connections

• O-ring

Standard

• Viton (FKM (FPM))

Optional

• NBR
• PTFE (virginal)
• PTFE (glass-fiber reinforced)
• FFPM (Kalrez)²⁾
• Graphite

Material of parts not in contact with media

• Die-cast aluminum housing

• Low copper die-cast aluminum AC-AlSi12 (Fe) or AC-AlSi 10 Mg (Fe) to EN 1706
• Lacquer on polyurethane base, optional epoxy-based primer
• Stainless steel type plate 1.4404/316L

• Stainless steel precision cast housing

Stainless steel, mat. no. 1.4404/316L

• Process connection screws

Stainless steel, mat. no. 1.4404/316L

• Mounting bracket

Steel or stainless steel mat. no. 1.4301

Measuring cell filling

Silicone oil

Process connection

Вј-18 NPT female thread and flange connection with M10 to DIN 19213 or 7/16-20 UNF fastening thread to IECВ 61518/DINВ ENВ 61518

Electrical connection

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

Displays and controls

Keys

3 for local programming directly on transmitter

Digital display

• With or without integrated display
• Cover with or without window

Auxiliary power

Terminal voltage on transmitter

• DCВ 10.6 V ... 44 V
• With intrinsically safe operation 10.6 VВ ...В 30 V DC

Certificates and approvals

Classification according to pressure equipment directive (PEDВ 2014/68/EU)

• PNВ 160 (MAWP 2320В psi)

For gases of fluid group 1 and liquids of fluid groupВ 1; complies with requirements of articleВ 4, paragraphВ 3 (sound engineering practice)

Explosion protection

Explosion protection for Europe (according to ATEX)

• Intrinsic safety "i"

PTB 09 ATEX 2004 X

• Marking

Ex II ВЅ G Ex ia/ib IIC T4

• Permissible ambient temperature

-40 … +85 °C (-40 … +185 °F)

• Wiring

To certified intrinsically-safe circuits with peak values:
U_i = 30 V, I_i = 100 mA, P_i = 750 mW; R_iВ =В 300В О©

• Effective internal inductance

L_i = 400В ВµH

• Effective internal capacitance

C_i = 6В nF

• Flameproof enclosure "d"

BVS 09 ATEX E 027

• Marking

Ex II 1/2 G Ex db ia IIC T4/T6 Ga/Gb

• Permissible ambient temperature

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

• Wiring

To circuits with operating values: U_mВ =В DCВ 10.5В ...В 45В V

• Dust explosion protection for zone 20

BVS 09 ATEX E 027

• Marking

Ex II 1 D Ex ta ia IIIC T120В В°C Da

• Permissible ambient temperature

-40 … +85 °C (-40 … +185 °F)

• Max. surface temperature

120 В°C (248 В°F)

• Wiring

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

• Effective internal inductance

L_i = 400В ВµH

• Effective internal capacitance

C_i = 6 nF

• Dust explosion protection for zone 21/22

BVS 09 ATEX E 027

• Marking

Ex II 2D Ex tb ia IIIC T120В В°C Db

• Wiring

To circuits with operating values: U_HВ =В 10.5В ...В 45В VВ 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

• "nA, ic" connection

U_i = 45 V

• Effective internal inductance

L_i = 400В ВµH

• Effective internal capacitance

C_i = 6 nF

Explosion protection for USA

(acc. to FM)

Certificate of Compliance

No. 3033013

• Marking (XP/DIP) or (IS)

XP CL I, DIV 1, GP ABCDEFG T4 / T6
DIP CL II, III, DIVВ 1, GP EFG T4/T6
IS CL I, II, III, DIVВ 1, 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":
A5E02189134N
U_m = 30 V, I_m = 100 mA, P_i = 750 mW, L_i = 400В ВµH , C_i = 6 nF

• Marking (NI/NO)

NI CL I, DIVВ 2, GP ABCD T4/T6
NI CL I, Zone 2, GP IIC T4/T6
S CL II, III, GPFG T4/T6
NI CL I, DIVВ 2, GP ABCD T4/T6, NIFW
NI CL I, Zone 2, GP IIC T4/T6, NIFW
NI CLII, III, DIVВ 2, 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":
A5E02189134N
U_m = 45 V, L_i = 400В ВµH, C_i = 6 nF,

Explosion protection for Canada

(according to _CCSA_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)

• XP/DIP parameters

According to "control drawing":
A5E02189134N
U_m = 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 = 30В V, I_i = 100В mA, P_i = 750В mW, R_i = 300 О© , L_i = 400В ВµH, C_i = 6В nF

• Marking (NI/n)

CL I, DIVВ 2, GP ABCD T4/T6
CL II, III, DIVВ 2, 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":
A5E02189134N
U_m = 45 V

• nL parameters

According to "control drawing":
A5E02189134N
U_i = 45В V, I_i = 100В mA, L_i = 400В ВµH, C_i = 6В nF

Explosion protection for China

(acc. to NEPSI)

• Intrinsic safety "i"

GYJ111111X

• Marking

Ex ia/ib IIB/IIC T4

• Permissible ambient temperature

-40 ... +85 В°C (-40 ... +185 В°F)

• Wiring

To certified intrinsically-safe circuits with the following peak values:
U_i = 30 V, I_i = 100В mA, P_i = 750В mW

• Effective internal inductance

L_i = 400 ОјH

• Effective internal capacitance

C_i = 6 nF

• Flameproof enclosure "d"

GYJ111112

• Marking

Ex dia IIC T4/T6

• Permissible ambient temperature

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

• Wiring

To circuits with operating values: U_m = 10.5 ... 45В VВ DC

• Dust explosion protection for zone 21/22

GYJ111112

• Marking

DIP A21 T_A,T120 В°C IP68 D21

• Wiring

To circuits with operating values: U_m = 10.5 ... 45В VВ DC

• Type of protection "n" (zone 2)

GYJ111111X

• Marking

Ex nL IIB/IIC T4/T6
Ex nA II T4/T6

• Wiring

U_i = 45 V DC

• Effective internal inductance

L_i = 400 ОјH

• Effective internal capacitance

C_i = 6 nF

Load with connection of

• HART communicator

R_B = 230В ...В 1100В О©

• HART modem

R_B = 230В ...В 500В О©

Cable

2-wire shielded: ≤ 3.0 km (1.86 miles),
multi-wired 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

SIMATICВ PDM 6.0