NHJ600(D) Helium Leak Detector (Portable)
Built-in backing pump , fully automatic
NHJ600(D) is a fully automatic helium mass spectrometer leak detector that delivers full leak-testing performance in a compact, easy-to-transport design — ideal for testing services, laboratories and cross-site operations.
* Optional dry backing pump (NHJ600D) , 3 m³/h
NHJ600(D) Helium Leak Detector (Portable)
Built-in backing pump , fully automatic
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Portable Helium Leak Detector Oil Pump
Small and lightweight with a built-in backing pump, NHJ600(D) delivers complete leak-testing performance while remaining easy to move between sites.
Nine core performance features that combine portability with high performance.
A compact body integrates full leak detection capabilities, balancing portability and stable performance — ideal for laboratories, testing service providers, and multi-site operations.
Portable and rapid testing for flexible operation across multiple scenarios.
The NHJ600(D) is a fully automatic portable helium mass spectrometer leak detector, ideal for testing service providers, research laboratories, and portable rapid testing applications requiring multi-site operation. Its compact and lightweight design delivers full leak detection performance while offering the flexibility to handle detection needs across multiple locations.
| Parameter | Detail / Model | ||
|---|---|---|---|
| Minimum Detectable Leak Rate (Vacuum Mode) | 3×10-13 Pa·m³/s | Backing pump | Oil pump |
| Vacuum Leak Rate Display Range | 1×10-2 ~ 1×10-13 Pa·m³/s | Molecular pump | Imported |
| Minimum Detectable Leak Rate (Sniffer Mode) | 5×10-9 Pa·m³/s | Solenoid valve | Imported, custom-made for leak detectors |
| Sniffer Leak Rate Display Range | 1×10-2 ~ 1×10-9 Pa·m³/s (zero) | Dry backing pump | ○ |
| Detectable Gases | 4He, 3He, H2 | 7-inch color touchscreen | ● |
| Backing Pump Pumping Speed | 2.5 m³/h | WIFI | ○ |
| Dry backing pump pumping speed (optional, NHJ600D) | 3 m³/h | Hand-held controller (150 m) | ○ |
| Startup Time | ≤90 s | Sniffer probe | ○ |
| Response Time | ≤0.5 s | Gross leak detection | ● |
| Test Port Pressure | ≤2000 Pa | Gross leak protection | ● |
| Main Unit Power Supply / Voltage | NHJ600: 650 W; NHJ600D: 650 W; 200V-240V , 50 Hz |
External calibrated leak | ● |
| Operating Environment | Temperature: 5–40°C Humidity: ≤80% RH |
Internal calibrated leak | ○ |
| Language | Chinese / English / Korean / Japanese / Thai / Hindi / Malay / Italian | Data storage | ● |
| Dimensions | 620×370×480 mm | Auto zero | ● |
| Net Weight | NHJ600: 47 kg; NHJ600D: 44 kg | Display interface | Curve graph, histogram, numerical display |
| Display Units | Pa·m³/s, mbar·l/s, atm·cc/s, Torr·l/s, ppm | Input/output interfaces | RS232, RS485, USB, external control I/O, analog output |
| Parameter | NLD200 | NHJ400M | NHJ400 | NHJ480 | NHJ600(D) | NHJ800D(L) |
|---|---|---|---|---|---|---|
| Minimum Detectable Leak Rate (Vacuum Mode) | 3×10-13 Pa·m³/s | 3×10-13 Pa·m³/s | 3×10-13 Pa·m³/s | 3×10-13 Pa·m³/s | 3×10-13 Pa·m³/s | 3×10-13 Pa·m³/s |
| Vacuum Leak Rate Display Range | 1×10-2 ~ 1×10-13 Pa·m³/s | 1×10-2 ~ 1×10-13 Pa·m³/s | 1×10-2 ~ 1×10-13 Pa·m³/s | 1×10-2 ~ 1×10-13 Pa·m³/s | 1×10-2 ~ 1×10-13 Pa·m³/s | 1×10-2 ~ 1×10-13 Pa·m³/s |
| Minimum Detectable Leak Rate (Sniffer Mode) | 5×10-9 Pa·m³/s | 5×10-9 Pa·m³/s | 5×10-9 Pa·m³/s | 5×10-9 Pa·m³/s | 5×10-9 Pa·m³/s | 5×10-9 Pa·m³/s |
| Sniffer Leak Rate Display Range | 1×10-2 ~ 1×10-9 Pa·m³/s (zero) | 1×10-2 ~ 1×10-9 Pa·m³/s (zero) | 1×10-2 ~ 1×10-9 Pa·m³/s (zero) | 1×10-2 ~ 1×10-9 Pa·m³/s (zero) | 1×10-2 ~ 1×10-9 Pa·m³/s (zero) | 1×10-2 ~ 1×10-9 Pa·m³/s (zero) |
| Detectable Gases | 4He, 3He, H2 | 4He, 3He, H2 | 4He, 3He, H2 | 4He, 3He, H2 | 4He, 3He, H2 | 4He, 3He, H2 |
| Startup Time | ≤90 s | ≤90 s | ≤90 s | ≤90 s | ≤90 s | ≤90 s |
| Response Time | ≤0.5 s | ≤0.5 s | ≤0.5 s | ≤0.5 s | ≤0.5 s | ≤0.5 s |
| Test Port Pressure | ≤2000 Pa | ≤2000 Pa | ≤2000 Pa | ≤2000 Pa | ≤2000 Pa | ≤2000 Pa |
| Valve Block | / | Yes | Yes | Yes | Yes | Yes |
| Display Screen | Split-Type | Split-Type | Split-Type | Integrated | Integrated | Integrated |
| Backing Pump | / | / | Oil Pump | Oil Pump | Oil Pump | Dry Pump |
| Backing Pump Pumping Speed | / | / | 16 m³/h | 16 m³/h | 2.5 m³/h | 15 m³/h |
| Main Unit Power Supply / Voltage | DC24V, 350 W | DC24V, 350 W | 1000 W 200V-240V , 50 Hz |
1000 W 200V-240V , 50 Hz |
NHJ600: 650 W; NHJ600D: 650 W; 200V-240V , 50 Hz |
NHJ800D: 1000 W; NHJ800DL: 1300 W; 100-120V , 60Hz 200V-240V , 50 Hz |
| Operating Environment | Temperature: 5–40°C Humidity: ≤80% RH |
Temperature: 5–40°C Humidity: ≤80% RH |
Temperature: 5–40°C Humidity: ≤80% RH |
Temperature: 5–40°C Humidity: ≤80% RH |
Temperature: 5–40°C Humidity: ≤80% RH |
Temperature: 5–40°C Humidity: ≤80% RH |
| Language | Chinese / English / Korean / Japanese / Thai / Hindi / Malay / Italian / Hungarian | Chinese / English / Korean / Japanese / Thai / Hindi / Malay / Italian | Chinese / English / Korean / Japanese / Thai / Hindi / Malay / Italian | Chinese / English / Korean / Japanese / Thai / Hindi / Malay / Italian | Chinese / English / Korean / Japanese / Thai / Hindi / Malay / Italian | Chinese / English / Korean / Japanese / Thai / Hindi / Malay / Italian |
| Dimensions | 435×270×249 mm | 420×275×350 mm | 650×390×955 mm | 620×370×1027 mm | 620×370×480 mm | 620×370×1027 mm |
| Net Weight | 22 kg | 26 kg | 103 kg | 110 kg | NHJ600: 47 kg; NHJ600D: 44 kg | NHJ800D: 94 kg; NHJ800DL: 116 kg |
| Communication | RS232, RS485, USB | RS232, RS485, USB | RS232, RS485, USB | RS232, RS485, USB | RS232, RS485, USB | RS232, RS485, USB |
| Calibration | External Automatic / External Manual | Internal Automatic / External Manual | Internal Automatic / External Manual | Internal Automatic / External Manual | Internal Automatic / External Manual | Internal Automatic / External Manual |
| Interface Dimensions | DN KF25 / DN KF16 | DN KF25 | DN KF25 | DN KF25 | DN KF25 | DN KF25 |
| Display Units | Pa·m³/s, mbar·l/s, atm·cc/s, Torr·l/s, ppm | Pa·m³/s, mbar·l/s, atm·cc/s, Torr·l/s, ppm | Pa·m³/s, mbar·l/s, atm·cc/s, Torr·l/s, ppm | Pa·m³/s, mbar·l/s, atm·cc/s, Torr·l/s, ppm | Pa·m³/s, mbar·l/s, atm·cc/s, Torr·l/s, ppm | Pa·m³/s, mbar·l/s, atm·cc/s, Torr·l/s, ppm |
| Optional | / | / | / | / | ○ Dry pump NHJ600D, 3 m³/h | ○ Large dry pump NHJ800DL, 35 m³/h |
| Others | Modular design; multiple measuring ranges; easy system integration | Modular design; multi-range automatic switching; easy system integration | Split design; dedicated to the new energy industry | Integrated design; general-purpose oil pump model | Portable design; suitable for laboratories and cross-site testing | Dry pump model for cleanroom applications |
Phone：400-1677-880
Email：noy@noytechnology.com
Address：Building 14-2, Liandong U Valley, Shushan International Enterprise Port, Zhenxing Road, Shushan District, Hefei City, Anhui Province
Address：Building 14-2, Liandong U Valley, Shushan International Enterprise Port, Zhenxing Road, Shushan District, Hefei City, Anhui Province
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