LR-Cal Kalibriergeräte / Calibration Equipment von / from DRUCK & TEMPERATUR Leitenberger - GERMANY

Elektronischer Druckkalibrator / Digitalmanometer LR-Cal TLDMMElektronic Pressure Calibrator

Model LR-Cal TLDMM

Precision Digital Test Pressure Gauge

Features of the high precision digital test pressure gauge and pressure calibrtator LR-Cal TLDMM:

  • Accuracy ±0.05% FS (incl. ACCREDIA certificate of calibration)
  • Pressure ranges up to 2000 bar
  • Battery operated (life time >1 year)
  • Selectable pressure units bar, mbar, psi, MPa, kPa
  • MIN- and MAX memory, PEAK value function
  • Adjustable digital filter
  • Pressure port 1/2" BSP male in stainless steel
  • Large LCD screen including bargraph display

Description

LR-Cal TLDMM Description

The LR-Cal TLDMM is a microprocessor based digital pressure gauge, made of particularly high long-term stable analogue section and a 16 bit A/D converter which ensure 65,000 internal divisions. These features, together with a 0.05% accuracy class, make it ideal as a laboratory instrument: in fact, the LR-Cal TLDMM is proposed as a first line sample for Calibration Laboratories and is provided with an ACCREDIA certificate of calibration, traceable to international standard.

The pressure calibrator LR-Cal TLDMM has internal batteries with 1 year autonomy, also guaranteed by the Auto-Power-Off function, which activates if no measurement changes are detected in teh previous 30 minutes.

The user can select different engineering units (bar, mbar, psi, MPa, kPa), resolution and digital filter, suitable for measurements to be performed. In order to increase the level of integration among components, a combined (traditional and SMD) technology has been used, that makes this reference gauge more resistand against mechanical stresses and vibrations and guarantees maximum reliability for the circuit. The display also shows an analogue indication bar for pressure, that is still on, even in the programming menu.

A carrying case and an ACCREDIA calibration certificate are included in standard supply.

As an option, the LR-Cal TLDMM is available with a RS232 interface. A connection cable can be supplied on request, a simple software to read out the RS232 interface is available for free download. Furthermore, a build-in version for panel mounting and a version with mains power supply are available.

The LR-Cal TLDMM can be used with portable or bench type calibration pressure sources, like pressure test pumps LR-Cal LPP 40LR-Cal LPP 60LR-Cal LPP 700 and LR-Cal LPP 1000, as well as with LR-Cal LPP 60-T and LR-Cal LSP pressure comparators.

Pressure Ranges

LR-Cal TLDMM Pressure Ranges

Pressure range [bar] max. Display resolution [bar]
0...1 0.0001
0...2.5 0.0005
0...5 0.0005
0...10 0.001
0...20 0.002
0...50 0.005
0...100 0.01
0...250 0.02
0...350 0.05
0...500 0.05
0...700 0.05
0...1000 0.1
0...1500 0.2
0...2000 0.5
-1...+1 0.0001
-1...+2.5 0.0005
-1...+5 0.0005
-1...+20 0.002

Specification

LR-Cal TLDMM Specification

Linearity and Hysteresis <=±0.05% FS
Readings per sec. (filter=0) 10 (100 ms)
Temperatures Reference +23°C; Ambient 0...+50°C; Storage -10...+60°C
Temperature Effect (1°C) on zero <=±0.002%; on sensitivity <=0.002%
Programmable Functions Zero: 50%; digital Filter: 0...99%; Display resolution 1, 2, 5 or 10 digits; Pressure Unit bar, mbar, MPa, kPa, psi; At version with optional RS232 interface: Baud rate 19200, 99600, 4800; Peak-Function: positive (+) and negative (-)
Display LCD, height 16 mm
Power Supply 4 Alkaline Batteries á 1.5 V, size AA
Mechanical Limit Values
(reffered to nominal pressure)
Service pressure: 100% FS; High dynamic pressure: 75% FS; Permissible pressure: max. 150% FS; Breaking pressure >300% FS
Standard Pressure Coupling 1/2" BSP male
Recommended Gasket USIT A 63-18
Tightening Torque max. 28 Nm
Housing Material: aluminium; Dimension: 132 x 80 x 48 mm
Protection IP 40
Optional RS232 interface 9-pole D-SUB (female)

Accessories:

Order-Code Description Image
TLDMM-DK Sealing cone, recommended for pressure ranges above 1000 bar Dichtkonus für Digital-Feinmessmanometer LR-Cal TLDMM /-A01 / -A02
VRS-G12 Volume reducer, recommended for use with Pressure Test Pumps LR-Cal LPP 40 or LR-Cal LPP 60
-EBA Build-in version (back connection, for panel mounting) Einbauversion LR-Cal TLDMM /-A01 /-A02
-SNT Power supply via mains supply 230 VAC (instead of batteries)

DOWNLOADs

Datasheet and Manual for Pressure Calibrator LR-Cal TLDMM

Note:
Datasheet and Manual can be downloaded as PDF files. To open PDF files, you need the ADOBE READER. You can get this software free of charge from ADOBE.

Software for LR-Cal TLDMM

  • A simple free of charge software for Windows-PC (no support!): WinTest1 Rel. 7.3
    (Only working with models LR-Cal TLDMM with RS232 interface)
    A RS232 interface cable, order-code TLDMM-KB is needed!
    Screenshot der WinTest1 Software für ausgewählte LR-Cal Digital-Messgeräte
    A short manual is included in the Download-ZIP-File of the software.

See also: LPP-KIT Pressure Calibration KITs
 

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LR-Cal Leitenberger Kalibriersysteme
is a trade mark of
DRUCK & TEMPERATUR
Leitenberger GmbH

for calibration equipment
Pressure & Temperature.

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