Single Fire Module

This post is also available in: viVietnamese

The time-tested Multi Water Sampler technology reduced to the max – releasing a single water sampler at a precise depth
The Single Fire Module consists of a Plastic Water Sampler (also known as Niskin Bottle) of 1.7 litres capacity, mounted to a stainless steel rack which is equipped with a motor-driven release device. Power supply is made by internal rechargeable lithium-ion batteries, using the safest chemistry currently available.
DIGITAL STANDARD MODEL
The digital standard model, by design, is a stand-alone instrument. In online mode, operated in conjunction with standard electro-mechanical cables, the water sampler is actuated via push-button control by the battery powered Hand Unit. This also handles measuring data of the integrated high-precision pressure sensor.
In offline mode, operated in conjunction with steel or fiber ropes, the water sampler is automatically actuated according to a pre-programmed pressure (depth). Measuring data of the pressure sensor is recorded inside the internal data memory during the operation.
DIGITAL MODEL FOR CONTROL BY 
EXTERNAL CTD PROBES
This model has been designed to be controlled by external up-to-date CTD probes. It is equipped with a serial RS-232 port to receive action commands and provide a return signal to the CTD. This version is not equipped with a pressure sensor.
ANALOGUE MODEL FOR CONTROL 
BY EXTERNAL CTD PROBES
Even old-fashioned CTD probes are able to control the Single Fire Module. For this purpose a model with an analogue interface is available which is activated by a switched contact and delivers a return signal and battery voltage via two analogue channels. This version is not equipped with a pressure sensor.

  • Technical Data
  • Features
  • Ordering Information
Dimensions 1200 x 120 x 255 mm
Empty weight 8.5 kg
Material Titanium, stainless steel, 
POM, PVC
Operational depth max. 3000 m
Hand Unit Plastic housing, splash-proof (IP 65), 
battery powered LC-display 4 x 20 characters, 
interface for PC (RS-232)
Data memory 4 MByte
Data rate 1 Hz (1 data set per sec.)
Pressure sensor 0.0 … 3000.0 dbar ± 0.1% f.s. (standard)
Battery type Lithium iron phosphate (LiFePO4)
Battery capacity sufficient for up to 200 operations
Type of water sampler Plastic Water Sampler PWS, 
capacity 1.7 l (various sampler capacities are available upon request)
  • Digital and analogue versions available for adaption to various applications
  • Compact size and low weight
  • Standard depth range 3000 m
  • Low power consumption
  • Battery operated Underwater Unit
  • Electronics operate from -40°C up to +85°C
  • EC-conformity (CE) EN 50081-1, EN 50082-1
Products
436 990 Single Fire Module, 
digital standard model equipped with 
1 Plastic Water Sampler PWS, 
capacity 1.7 for combined online/offline use,
serial RS-232 port and long-distance FSK-telemetry,
Motor Unit with microprocessor, 
integrated lithium-ion batteries, 
integrated pressure sensor,
battery powered Hand Unit
Windows based OceanLab 3 software included
436 991 Single Fire Module, 
analogue model for control by CTD equipped with 
1 Plastic Water Sampler PWS, capacity 1.7 l,
Motor Unit with analogue electronics, analogue interface, 
integrated lithium-ion batteries
436 992 Single Fire Module, 
digital model for control by CTD equipped with 
1 Plastic Water Sampler PWS, capacity 1.7 l,
Motor Unit with microprocessor, serial RS-232 port, 
integrated lithium-ion batteries

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