7MF4997-1CH

Input

Measured variable

Gauge pressure

Span (fully adjustable) or nominal measuring range, max. operating pressure (in accordance with 2014/68/EU Pressure Equipment Directive) and max. test pressure (pursuant to DINВ 16086)

Span

Max. perm. operating pressure MAWP (PS)

Max. permissible test pressure

0.01 ... 1 bar
1 ... 100 kPa
0.15 ... 14.5 psi

4 bar
400 kPa
58 psi

6 bar
600 kPa
87 psi

0.04 ... 4 bar
4 ... 400 kPa
0.58 ... 58 psi

7 bar
0.7 Mpa
102 psi

10 bar
1 MPa
145 psi

0.16 ... 16 bar
16 ... 1600 kPa
2.3 ... 232 psi

21 bar
2.1 MPa
305 psi

32 bar
3.2 MPa
464 psi

0.63 ... 63 bar
63 ... 6300 kPa
9.1 ... 914 psi

67 bar
6.7 MPa
972 psi

100 bar
10 MPa
1450 psi

1.6 ... 160 bar
0.16 ... 16 MPa
23 ... 2321 psi

167 bar
16.7 MPa
2422 psi

250 bar
25 MPa
3626 psi

4 ... 400 bar
0.4 ... 40 MPa
58 ... 5802 psi

400 bar
40 MPa
5802 psi

600 bar
60 MPa
8702 psi

7 ... 700 bar
0.7 ... 70 MPa
102 ... 10153 psi

800 bar
80 MPa
11603 psi

800 bar
80 MPa
11603 psi

Low measuring limit

• Measuring cell with silicone oil filling

30 mbar a/3 kPa a/0.44 psia

Upper measuring limit

100 % of max. span

Start of scale

Between the measuring limits (continuously adjustable)

Output

Output signal

4В ...В 20 mA

• Lower limit (fully adjustable)

3.55 mA, factory preset to 3.84 mA

• Upper limit (fully adjustable)

23 mA, factory preset to 20.5 mA or optionally set to 22.0 mA

Load

• Without HART

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

• With HART

R_B = 230 ... 500 О© (SIMATIC PDM) or
R_B = 230 ... 1100 О© (HART Communicator)

Protection against polarity reversal

Protected against short-circuit and polarity reversal. Each connection against the other with max. supply voltage.

Electrical damping (step width 0.1 s)

Set to 2 s (0 ... 100 s)

Measuring accuracy

According to IEC 60770-1

Reference conditions

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

Measuring span ratio r (spread, Turn-Down)

r = maximum measuring span/set measuring span

Error in measurement at limit setting including hysteresis and reproducibility

• Linear characteristic

• 1 bar/100 kPa/3.6 psi
  4 bar/400 kPa/58 psi
  16 bar/1.6 MPa/232 psi
  63 bar/6.3 MPa/914 psi
  160 bar/16 MPa/2321 psi

r ≤ 5
5 < r ≤ 100

≤ 0.075 %
≤ (0.005 · r + 0.07) %

• 400 bar/40 MPa/5802 psi
  700 bar/70 MPa/10152 psi

r ≤ 3
3 < r ≤ 100

≤ 0.075 %
≤ (0.005 · r + 0.07) %

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

• At -40 … +85 В°C (-40 … 185 В°F)

≤ (0.15 · r + 0.25) %

Long-term stability (temperature change В±30 В°C (В±54 В°F))

≤ (0.25 · r) % in 5 years

Influence of mounting position

≤ 0.05 mbar/0.005 kPa/0.000725 psi per 10° incline (zero point correction is possible with position error compensation)

Effect of auxiliary power (in percent per voltage change)

0.005 % per 1 V

Rated conditions

Degree of protection according to IECВ 60529

IP66 (optional IP66/IP68), NEMA 4X

Temperature of medium

• Measuring cell with silicone oil filling

-40В ...В +100В В°C (-40В ...В +212В В°F)

• In conjunction with dust explosion protection

-20В ...В +60В В°C (-4В ...В +140В В°F)

Ambient conditions

• Ambient temperature

• Transmitters

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

• Display readable

-30В ...В +85В В°C (-22В ...В +185В В°F)

• Storage temperature

-50В ...В +85В В°C (-58В ...В +185В В°F)

• Climatic class

• Condensation

Relative humidity 0 ... 100 %
Condensation permissible, suitable for use in the tropics

• Electromagnetic compatibility

• Emitted interference and interference immunity

According to IECВ 61326 and NAMURВ NEВ 21

Design

Weight (without options)

Die-cast aluminum: ≈ 2.0 kg (≈ 4.4 lb)
Stainless steel precision casting: ≈ 4.6 kg (≈ 10.1 lb)

Enclosure material

Low-copper die-cast aluminum, GD-AlSi 12 or stainless steel precision casting, mat. no. 1.4408

Wetted parts materials

• Connection shank

Stainless steel, mat. no.В 1.4404/316L or HastelloyВ C4, mat. no.В 2.4602

• Seal diaphragm

Stainless steel, mat. no. 1.4404/316L or Hastelloy C276, mat. no. 2.4819

Measuring cell filling

Silicone oil or inert fill fluid (for oxygen measurement, maximum pressure 100В bar (1450В psi) at 60В В°C (140В В°F))

Process connection

GВЅB connection shank according to DIN ENВ 837-1; female thread ВЅ-14В NPT or external thread M20x1.5

Material of mounting bracket

Steel

Sheet-steel, mat. no.В 1.0330, chrome-plated

Stainless steel

Sheet stainless steel, mat. no. 1.4301 (SS 304)

Power supply U_H

Terminal voltage on transmitter

10.5 ... 45 V DC
10.5 ... 30 V DC in intrinsically-safe mode

Certificates and approvals

HART

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

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

• Intrinsic safety "i"

PTB 13 ATEX 2007 X

• Marking

Ex II 1/2 G Ex ia/ib IIC T4/T5/T6 Ga/Gb

• Permissible ambient temperature

-40 ... +85 В°C (-40 ... +185 В°F) temperature class T4;
-40 ... +70 В°C (-40 ... +158 В°F) temperature class T5;
-40 ... +60 В°C (-40 ... +140 В°F) temperature class T6

• 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/capacitance

L_i = 0.4 mH, C_i = 6 nF

• Flameproof enclosure "d"

PTB 99 ATEX 1160

• Marking

Ex II 1/2 G Ex d IIC T4/T6 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_HВ =В 10.5В ...В 45 V DC

• Dust explosion protection for zone 20

PTB 01 ATEX 2055

• Marking

Ex II 1 D Ex ta IIIC T120 В°C Da
Ex II 1/2 D Ex ta/tb IIIC T120 В°C Da/Db

• Perm. Ambient temperature

-40В ...В +85В В°C (-40В ...В +185В В°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/capacitance

L_i = 0.4 mH, C_i = 6 nF

• Dust explosion protection for zone 21/22

PTB 01 ATEX 2055

• Marking

Ex II 2 D Ex tb IIIC T120 В°C Db

• Wiring

To circuits with operating values: U_HВ =В 10.5В ...В 45 V DC; P_max = 1.2 W

• Type of protection "n" (zone 2)

PTB 13 ATEX 2007 X

• Marking

Ex II 2/3 G Ex nA IIC T4/T5/T6 Gc
Ex II 2/3 G Ex ic IIC T4/T5/T6 Gc

• Connection (Ex nA)

U_m = 45 V

• Connection (Ex ic)

To circuits with operating values:
U_i = 45 V

• Effective internal inductance/capacitance

L_i = 0.4 mH, C_i = 6 nF

• Explosion protection acc. to FM

Certificate of Compliance 3008490

• Marking (XP/DIP) or (IS); (NI)

CLВ I, DIVВ 1, GP ABCD T4...T6; CLВ II, DIVВ 1, GPВ EFG; CLВ III; CLВ I, ZNВ 0/1 AEx ia IIC T4...T6; CLВ I, DIVВ 2, GPВ ABCD T4...T6; CLВ II, DIVВ 2, GPВ FG; CLВ III

• Explosion protection to CSA

Certificate of Compliance 1153651

• Marking (XP/DIP) or (IS)

CL I, DIV 1, GP ABCD T4...T6; CL II, DIV 1, GP EFG; CL III; Ex ia IIC T4...T6; CL I, DIV 2, GP ABCD T4...T6; CL II, DIV 2, GP FG; CL III

Communication

HART

230В ...В 1100В О©

Protocol

HART Version 5.x

Software for computer

SIMATICВ PDM