Helium Leak Detector HELEN Series

Helium Leak Detector HELEN Series M-212LD(-D)/M-222LD(-D)/M-232LD

The HELEN series consists of compact, light-weight, portable design helium leak detectors.

M-212LD(-D)

  • Suitable for inspection and field maintenance of various vacuum equipment
  • Compact leak detector for various vacuum components.
M-212LD(-D)

M-222LD

  • Maintenance of various vacuum equipment.
  • Leak test of various large-scale vacuum containers such as accelerators.
  • Leak system analyzer.
M-222LD

M-222LD-D

  • Support for clean room.
  • Enables oil-free leak test.
  • Maintenance of various vacuum equipment.
M-222LD-D

M-232LD

  • Gas supplying system, vacuum component, and piping component leak test
  • Automotive parts and air conditioning freezer leak test.
  • Food and pharmaceutical package leak test.
  • Water and various gas pipe leak test.
M-232LD

Features

  1. Simple operation
    Equipment startup to measurement with a touch of a button.
  2. Industry leading sensitivity, stability, and response
    High sensitivity of 10-12Pa·㎥/s and high stability enabling long term use.
  3. Portable
    Equipped with large casters and handle making it suitable for field maintenance use.
  4. Durable robust design
    Use of long life tungsten filament to enable long term high-sensitivity measurement. Robust design enabling installation in a 24 hour operation system.

Specifications

Standard Type

Type M-212LD M-212LD-D M-222LD M-222LD-D M-232LD
features Compact Compact
& dry pump
High power High power
& dry pump
Sniffer
Quantitative measurement range
(Pa・m3/sec)
10-12 to 10-3 10-6 to 10-1
(10-2 to 105 ppm)
Inlet port
exhaust speed
(He)(L/sec)
Gross Mode 0.5 - 1.8 2.0 Probe suction speed
0.3Pa・m3/sec
Middle Mode 2.0 1.0(Middle2)
4.0(Middle1)
2.0 2.0
Fine Mode - 7.0 - -
Inlet port size NW25(ISO) Sniffer Probe
Main pump Type Turbo molecular pump
Pumping speed
(L/sec)
50 70L/sec 50L/sec
Roughing pump Type Rotary pump Diaphragm pump Rotary pump Scroll type
dry pump
Rotary pump
Pumping speed
(L/min)
30 15 236 250 30
+ Diaphragm pump
External communication interface RS-232C
Analog output (2 points)・Standard I/O
Display 4.1 inch Color LCD
Sniffer probe Option
(Model:981-9371)
Option
(please require to
contact)
Option
(Model:981-9371)
Standard
Electric power 100-120VAC, 8A 100-120VAC, 6.3A 100VAC, 15A 100-120VAC, 15A
200-240VAC, 10A
100-120VAC, 8A
Dimensions
(W×H×D)(mm)
435×487×364 462×867×715 435×470×363
Weight(kg) 42 39 75 42

High sensitivity type ・ Large capacity roughing pump type

Type M-222LD-H M-222LD-D-H M-222LD-D-H500
features High sensitivity,
& High power
High sensitivity,
High power,
& dry pump
High power
& dry pump of 500L
Quantitative measurement range
(Pa・m3/sec)
10-13 to 10-3 10-12 to 10-3
Inlet port
exhaust speed
(He)(L/sec)
Gross Mode 1.8 2.0 2.0
Middle Mode 4.0 4.0 4.0
Fine Mode 7.0 7.0 7.0
Inlet port size NW25(ISO)
Main pump Type Turbo molecular pump
Pumping speed
(L/sec)
70
Roughing pump Type Rotary pump Scroll type
dry pump
Multi stage roots type
dry pump
Pumping speed
(L/min)
236 250 500
External communication interface RS-232C
Analog output (2 points)・Standard I/O
Display 4.1 inch Color LCD
Sniffer probe Option
(Model:981-9371)
-
Electric power 100VAC, 15A 100-120VAC, 15A
200-240VAC, 10A
100-120VAC, 8A
Dimensions
(W×H×D)(mm)
462×867×715
Weight(kg) 75

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