Drallim Industries Ltd

Our Hawk 4000 Cargo Hook is designed for aircraft lifting up to 4,000kg. The Hawk 4000 has EMC protection and is military qualified to MIL-STD-810D & RTCA DO-160 The design is of simple construction involving no delicate mechanisms requiring fine adjustment. Autolocking mechanism, ideally suited for long line applications. Load release is via electrical solenoid with seperate guarded lever release. The Hawk 4000 is available with load measurement which enables the pilot to operate within safe lifting parameters

Our Hawk 8000 Cargo Hook is designed for aircraft lifting up to 8000lb. The Hawk 8000 has EMC protection and is MIL Spec Qualified to MIL-STD-810D & RTCA DO-160 The design is of simple construction involving no delicate mechanisms requiring fine adjustment. Load release is via Primary and Secondary electrical solenoid and has a seperate guarded lever release. Also features a sprung closed load beam. The Hawk 8000 is available with load measurement which enables the pilot to operate within safe lifting parameters

The DVR-150 and the DVR-300 are precision resistor/capacitor high voltage dividers that provide low voltage outputs proportional to the applied high voltage input. Their 1000:1 amp; 10,000:1 ratios, respectively, extend the measurement capability of most digital voltmeters and oscilloscopes to 150,000 volts or 300,000 volts.

These precision resistor/capacitor high voltage dividers are available at 150kV and300 kV.

21st Century energy demands mean that the electricity transmission and distribution network capacity is pushed hard. Providers and distributors must make best use of their assets. Performance analysis enables cost effective maintenance schedules to be developed.

The importance of insulation testing often becomes apparent during expensive and unnecessary unplanned outages. High Voltage Inc (HVI) provides a range of equipment for VLF testing up to 200kV peak as well as for DC up to 300kV and power frequency AC testing up to 300kV enabling users to conduct insulation, withstand, PD and Tan δ tests. This includes portable as well as higher power options for proof testing of cables, switchgear, motors, transformers, insulators, generators and other electrical apparatus. The range extends to manual and automatic oil dielectric test sets up to 100kV and to HV dividers.

Drallim Industries have been directly involved in the high voltage industry for over 20 years and indirectly since our foundation in 1958. Our qualified cable diagnostics teams are able to offer testing techniques that are appropriate to your cable types, ages and locations.

The HYDROCAL 1001+ is a permanently installed composite gas-in-oil sensor for the analysis of the following dissolved key fault gases (TDCG = Total Dissolved Combustible Gases): Fault Gas TDCG Contribution Hydrogen (H2) approx. 20 % Carbon Monoxide (CO) approx. 30 % Methane (CH4) < 5 % Acetylene (C2H2) 100 % Ethylene (C2H4) approx. 32 % Ethane (C2H6) < 5 %

Analysis of the gases dissolved in power transformer oil is recognized as the most useful tool for early detection and diagnosis of incipient faults in transformers. In addition water contamination deteriorates the performance of the oil as high moisture content increases the risk of corrosion and overheating. This is in particular when the water content reaches the saturation point of the oil and free water is formed. Besides regular gas chromatographic analysis and off-line moisture analysis of the isolation oil of power transformers online monitoring systems gain more and more importance worldwide. By online monitoring of the key fault gases Hydrogen (H2) and Carbon Monoxide (CO) and Moisture in Oil (H2O) an additional potential of cost reductions and safety improvements can be achieved.

The HYDROCAL 1005 is a permanently installed multi-gas-in-oil analysis system with transformer monitoring functions. It individually measures, Moisture in Oil (H2O) and the key gases Hydrogen (H2), Carbon Monoxide (CO), Acetylene (C2H2) and Ethylene (C2H4) dissolved in transformer oil. As Hydrogen (H2) is involved in nearly every fault of the isolation system of power transformers and Carbon Monoxide (CO) is a sign of an involvement of the cellulosic/paper isolation the presence and increase of Acetylene (C2H2) and Ethylene (C2H4) further classifies the nature of a fault as overheating, partial discharge or high energy arcing. The device can serve as a compact transformer monitoring system by the integration/connection of other sensors present on a transformer via its optional analog inputs: 4 analog inputs 0/4 ... 20 mADC 6 analog inputs 0/4 ... 20 mAAC +20% or 0 ... 80 VAC +20% (configurable by jumpers) It is further equipped with digital outputs for the transmission of alerts or the execution of control functions (e.g. control of a cooling system of a transformer): 5 digital relay outputs 5 digital optocoupler outputs (Option)