Programmable submersible level and temperature
transmitters
PTM/N/RS485
CUSTOMER BENEFITS
• Scalable pressure ranges and output signals
• Flexibly applicable pressure sensor
• Digital and analogue output signal in one sensor
• Available as multi-parameter sensor (pressure & temperature)
• Any process connections available
• Available with lightning protection
• Can be ordered in different materials
Version: 26.06.2014
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Technical Specifications
PRESSURE MEASURING RANGE (MH2O)
1 ... 5 > 5 ... 20 > 20 ...250
Overpressure 3 bar 3 x FS (≥ 3 bar) 3 x FS
Burst pressure > 200 bar > 200 bar > 200 bar
Accuracy, (1), (± % FS) ≤ 0.25 ≤ 0.1 ≤ 0.1
Thermal shift, (± % FS/°C)
Zero point -0...70°C ≤ 0.06 ≤ 0.03 ≤ 0.015
Zero point -25...85°C ≤ 0.08 ≤ 0.04 ≤ 0.02
Span -5...50°C ≤ 0.015 ≤ 0.015 ≤ 0.015
Span -25...85°C ≤ 0.02 ≤ 0.02 ≤ 0.02
Total error, (2), (3), (± % FS)
-10...50°C, ≤ 0.15 / 0.3 (≤ ≤ 0.15 / 0.3 ≤ 0.15 / 0.3
(typ. / max.) 200 mbar: 0.3 / 0.6)
-25...85°C, ≤ 0.65 / 0.7 (≤ ≤ 0.65 / 0.7 ≤ 0.55 / 0.7
(typ. / max.) 200 mbar: 0.65 / 0.8)
Long term stability, (4) ≤ 0.5% FS/< 4 mbar ≤ 0.2% FS/< 4 mbar ≤ 0.1% FS/< 0.2% FS
(1) Zero based accuracy according to DIN 16086, incl. hysteresis and repeatability at ambient temperature
(2) Total error including accuracy and temperature influences at maximum signal span (16 mA)
(3) Active compensated
(4) 1 year (typ. / max.), the long term stability can be improved by ageing (burn-in) the sensor
TEMPERATURE MEASURING RANGE
Standard, (1), (2) -10...50 °C
Lower end of range, (2) -25 °C
Upper end of range, (2) 85 °C
Accuracy ≤ ± 2 °C
(1) Available active compensated only
(2) Depending on temperature range of the active compensation
TEMPERATURE RANGE
Operating temperature -5...80 °C
Process temperature -5...80 °C
Storage temperature -10...80 °C
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ELECTRICAL SPECIFICATIONS
Output
Digital RS485
Protocol Modbus RTU
Analog 4...20 mA
Resolution
Digital output 0.01% FS
Analog output 0.025% FS
Output adjustable
4 mA -5% FS...105% FS
20 mA -5% FS...105% FS
Span 25% FS...110% FS
(≥ 0.5 mH2O)
Low pass filter 0.1 / 1 / 10 / 30 Hz
(standard: 30 Hz)
Power supply 9...30 V DC
Supply influence < 0.1% FS
Circuit diagram
Load resistance
Load influence < 0.1% FS
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QUALIFICATIONS
Description Level Typical interferences
EN 60068-2-6 Vibration 4g (4...100
Hz / ± 3.2 mmpp)
EN 60068-2-27 Shock 100g
(impulse duration 6 ms)
EN 55022 Emission, class B < 30 dBµV/m
(0.03...1 GHz)
EN 61000-4-2 Electrostatic discharge 4 kV contact 8
kV air
EN 61000-4-3 Irradiated RF 10V/m Radio sets,
(0.08...1 GHz) wireless phones
EN 61000-4-4 Transients (burst) 2 kV Motors, valves
EN 61000-4-5 Surge 10 kA (8 / Lightning
20 µs), (1)
EN 61000-4-6 Conducted RF 10 V Frequency converters
(0.15...80 MHz, 3 s)
(1) Only with optional surge (lightning) protection
PHYSICAL SPECIFICATIONS
Materials Stainless steel (316L /
1.4435), titanium (Gr. 2),
(1)
Transducer Stainless steel (316L /
1.4435), titanium (Gr. 2),
(1)
Housing Stainless steel (316L /
1.4404), titanium (Gr. 2)
Seals Viton (Standard), EPDM,
Kalrez
Cable PUR, FEP, PE
(1) Hastelloy (C-276) on request
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Equipment
OVERVIEW
10.00.0091 Accessories overview
INTERFACE
101138 PTM - Interface
SOFTWARE
101224 PC Software V1.50
Additional documents
MANUALS
Article number Description
10.00.0079 DEB003 Configuration software
10.00.0089 DEB005 User manual
OPERATING AND SAFETY INSTRUCTIONS
Article number
10.00.0137 DMM009
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Ordering information
X. XXXX. XXXX. XX. X X X
Type
PTM/N/RS485 44
Pressure type
Gauge 1
Absolute (vacuum) 2
Pressure measuring range
Any pressure measuring ranges between 0...1 mH2O XX
and 0...250 mH2O available, (1)
Offset, special adjustment 99
Process connection
Closed (Fig. 1) 55
Closed, (1.4435), for ACS certification (Fig. 1) 59
Open, (Fig. 2) 56
G 1/4 M (Fig. 3) 11
G 1/2 M (Fig. 3) 13
Custmized 99
Electrical connection
PE cable, IP 68 (2), (3) 13
PUR cable, black, IP 68 (2), (4) 15
FEP cable, black, IP 68 (2) 21
PVC cablel, blue, IP 68 (2), (5) 14
Customized 99
Output signal
RS485 / 4...20mA (pressure) 62
RS485 / 4...20 mA (pressure) with surge protection 64
RS485 / 4...20mA (pressure and temperature) (6) 65
RS485 / 4...20mA (pressure and temperature) 66
with surge protection (6)
Accuracy
≤ ± 0.25 % FS (> 5 mH2O) 1
≤ ± 0.1 % FS (≤ 5 mH2O) 2
Temperature range
-5...50 °C compensated (allowed 4
process temperature: -5…50 °C)
-5...80 °C compensated (allowed 5
process temperature: -5...80 °C)
Option 1
Cutting ring connection G1/2 M G
Strain relief
Special oil filling: Anderol Food
Option 2
Electronics packed in gel: Gauge pressure C
Electronics packed in gel: Absolute pressure D
Option 3
Ballast weight 1.4435 B
Active compensated E
Version titanium (without ballast weight) K
Seals: Viton (standard) U
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Seals: EPDM S
Seals: Kalrez (Level) T
Seals: NBR (ACS) H
Humidity filter element for gauge versions Z
(only for PUR and PE cable)
(1) mH2O, mWS, mWC etc. available
(2) Please specify the required cable length and medium
(3) Suitable for drinking water (food approved)
(4) For operating temperature > 50°C, PE or FEP cable must be used
(5) ACS Certification
(6) Temperature output only with option "active compensated" available
(7) min. Process temperature -25 ° C
(8) Standard, no special cleaning. Special cleaning must be requested.
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Technical drawings
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