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The DPM72 CO Carbon Monoxide analyser is a self-contained unit housed in a custom 3u x 1/4 rack width case, that can also be panel mounted. This unit uses a high stability electro-chemical sensor with built in temperature compensation. The display has high and low set points with an audio visual alarm and mute circuit. Day to day calibration is carried out from the front panel. All the calibration and alarm parameters are retained in non-volatile memory.
 
The DPM72 T&H, Temperature & Humidity monitor is a modular unit with separate sensor and dual displays housed in a custom 3u x 1/2 rack width case, that can also be panel mounted. The unit uses a combined temperature and humidity sensor. Humidity is measured using a capacitive Polymer sensor. Temperature is measured using a high stability Molybdenum sensing element. Both display modules have high and low user programmable set points with audio visual alarms and mute circuit.
CARBON DIOXIDE ANALYSER - Operating Principle: Infra-red Absorption - Range : 0 to 5000 ppm (0.5%) CO2 - Pressure dependence: 0.015% of range per mbar - Zero Stability: 2% of range (over 12 months) - Repeatability Zero: 0.3% - Repeatability Span: 1.5% - Response Time: 90% in 10 seconds - Operating Temperature: 0 to 45 C - Zero Drift at Constant Temp: 2% per year - Zero Drift due to Amb. Temp: 0.03% of range per C - Warm-up Time Operational: 1 minute - Warm-up Time Full Spec: 30 minutes - Humidity: 0-100% RH (non-condensing) - Housing (Sub-rack Module): 3U x 42HP x 275mm (Inc. connector) - Relay Output: 8A Change over Relay - Power Requirements: 110 or 220VAC or 24 VDC (6W) - Weight: 2.42 Kg - Warranty: 12 Months Optional Accessories: - Analogue output (P/N. MCA3) - RS485 comms (P/N. MCC1) - Panel Adaptor (P/N. A03-02-021) Self contained Carbon Dioxide analyser housed in a 3U x 42HP sub-rack case that fits into a standard 19” x 3U sub-rack frame where it occupies ½ of the rack width. The analyser can also be panel mounted using an adaptor plate. This analyser uses a barometric pressure compensated carbon dioxide sensor. The sensor outputs a signal that is proportional to the partial pressure of Carbon Dioxide; this signal is scaled and displayed in parts per million (ppm) Carbon Dioxide on the high visibility LED display. Both calibration and alarm settings are adjusted using the keypad accessible menus. All the settings are stored in non-volatile memory. A hardware keypad disable function can be used to protect both the calibration and alarm settings from tampering by unauthorised personnel.
 
The O2 Oxygen analyser in a self contained unit housed in a custom 3u x 1/4 rack width case, that can also be panel mounted. This unit uses a high stability electro-chemical sensor with built in temperature compensation. The display has high and low set points with audio visual alarm and mute circuit. Day to day calibration is carried out from the front panel. All the calibration and alarm parameters are retained in non volatile memory.
The Aspida is a purpose designed compact portable gas monitor capable of detecting both carbon dioxide (CO2) and oxygen (O2). The unit offers continuous monitoring of partial pressure O2 and volumetric CO2, making it ideal for confined space entry onboard submarines and monitoring of portable or transportable decompression chambers. The Aspida is a compact, rugged unit which offers 12 hours battery life from one charge, audio visual and vibration alarms, datalogging and full user maintenance through our unique calibration software. The Aspida displays O2, CO2 and pressure on one display making it ideal for personal monitoring on board submarines.
 
Chamber Data Recording System (CDRS) is a chamber monitoring and data logging system. This version collects and stores lock depths and the temperature and humidity of the main lock. Other versions are available that expand on displaying and recording gas analysis. CDRS uses serial communications to interrogate the sensors connected to the unit. Each sensor has its own address to identify itself to CDRS. CDRS has been designed to utilize the touch screen for normal operations, although a keyboard and mouse may be required in the initial setup of the software. The system consists of the following: - Panel mounted touch screen computer - Sensor power supply and interface box - Two chamber pressure transmitters - Two temperature and humidity transmitters The above components are interconnected to form a Chamber Data Recording System.
The model “O2000? is a rugged portable oxygen monitor with adjustable high and low alarms. That can also be used in fixed installations. The unit measures oxygen using a long life electro-chemical sensor. The sensor output is scaled and displayed on a back-lit LCD display in oxygen percentage with a resolution of 0.1%. Calibration and alarm settings are adjusted using the built in keypad, settings are stored in non volatile memory. The unit is powered from a rechargeable NiMH battery which can be left permanently on charge when the unit is in a fixed installation. Possible applications include: Checking gas mixes in cylinders, end of line monitoring in surface supply diving equipment., continuous gas sample monitoring and ambient monitoring for oxygen deficiency or enrichment. Specifications: Range: 0 – 100 % Resolution: 0.1 % Alarms: High and Low settable with 0.1% resolution Battery: NiMH rechargeable Size: 120 high x 80 wide x 80 deep IP rating: IP65 not including the charger. Weight: 580 grams (Inc. Batteries and Sensor ). Optional Accessories: Panels mounting bezel, relay output
 
The DPM72 O2 / P Paramagnetic Oxygen analyser in a self contained unit housed in a custom 3u x 1/2 rack width case, that can also be panel mounted. This unit uses a high stability sensor based on the Faraday principle of paramagnetism. This form of sensing provides advantages over conventional "Fuel Cell" sensing as it does not deteriorate over time and therefore periodic sensor replacement is not required. The display has high and low set points with audio visual alarm and mute circuit. Day to day calibration is carried out from the front panel. All the calibration and alarm parameters are retained in non volatile memory. <b>Specifications</b> OPERATING PRINCIPLE : Paramagnetic principle RANGE : 0 to 100 % Oxygen RESOLUTION : 0.1% O2 ACCURACY : 0.1% of Full Scale LINEARITY : 0.1% O2 STABILITY : 0.2 % O2 PER MONTH TEMPERATURE EFFECT : Zero 0.05% O2/°C Span +/-0.25% of reading/°C RESPONSE TIME : 5 sec at 0.5l/min flow SAMPLE FLOW : 0.2 to 0.8 l/min HOUSING : 3U X 42HP (1/2 Rack) RELAY OUTPUT : 8 Amp change-over relay OPTIONS : Analogue/Serial output WARRANTY : 12 Months POWER REQUIREMENTS : 110, 220 VAC or 24 VDC 6 W

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