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Hydrotechnik Optional O'rings Various optional O'Rings are available for the M Series range to allow the flowmeters to have maximum flexibility in most applications. For the M1 and M2, both EPDM and Teflon encapsulated O'Rings are available. The M5, M10, M40 and M50 are available with Viton, EPDM and Teflon encapsulated O'Rings. Optional - High Temperature Rotors For fluid temperatures above 80°C/176°F and up to 120°C/248°F, operators may select 'high temperature' rotors. This option only applies for the PPS rotor models of the M5, M10, M40 and M50 as meters fitted with stainless steel rotors are capable of handling temperatures up to 120°C/248°F. (Except mechanical version which are limited to 80°C/176°F). Optional - High Viscosity Rotors For fluids above 1000cps, viscosity, optional high viscosity PPS or stainless steel rotors can be specified for M5, M10, M40 and M50 (PPS only) models. If necessary consult your local distributor for additional technical assistance as the flow rate will vary in accordance with fluid viscosity (See page 26). Optional - Hall Effect Sensor The M5, M10, M40 and M50 pulse models can be optionally fitted with two digital output Hall Effect Switches to eliminate oscillation (pulse bounce) experienced with standard reed switches. The HE Switches are 3-wire solid state NPN output devices with 4.5 - 24-volt DC supply voltage ratings. A common power supply must be used. Note: When Hall Effect Sensors are fitted, only the lesser pulse output is available although the two sensors can be used for dual outputs. A single Hall Effect Sensor is standard on M1 and M2 models. Optional - Solvent Kit (Mechanical display meters only) Mechanical versions of the M10, M40 and M50 aluminium models can be fitted with a special seal kit for use with most common solvents. This kit is standard on all stainless steel mechanical models. Optional - Hastalloy C Shafts Special Hastalloy C Shafts are available for the M1 and M2 PPS body meters for use with extremely aggressive chemicals. Accessory - Extended Life Battery (Deluxe LC display only) A silicon protection boot is available when the meter is used in an aggressive atmosphere. Accessory part number is B500. Accessory - Head Mounted or Remote Mounted LC Displays These displays can be head mounted on to M-Series pulse meters originally supplied without a display, or supplied with mounting brackets and mounted remotely. They can be connected also to the auxiliary pulse output of a local display meter for use as a second remote display. Accessory part numbers are F500 (deluxe version EEx ia Rate/Total + batching facilities) and G500 (standard version Rate/Total + Re-set) Deluxe LC Display Only The service life of the battery supplied in the deluxe display is approximately one year. This replacement Lithium 3-volt (CR123A) extended life battery will approximately double the service period but the "intrinsically safe" feature will be lost. Accessory part number is L500. BACK |
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