The Detcon DM-500 series is discontinued; replacement models are detailed here and pictured. Below is a list of spare parts available for maintenance and calibration.

Features

• CSA and UL Approved: Class 1, Div. 1, Groups B, C, & D.
• 4-20 mA output.
• Simple menu-driven calibration – takes less than 3 minutes.
• Backlit LCD and LED indicators for Fault and Calibration status.
• Universal plug-in transmitter.
• Plug-in field-replaceable transmitter.
• Electrochemical plug-in sensor.

MicroSafe Series 500 Spare Parts

925-995480-000 Universal plug-in transmitter control module DM-500IS. (Models 965-242480-100 Aluminum & 965-24248B-100 Stainless Steel)
500-005065-007 Standard connector board Model series 400 & 500 sensors
394-xxxx00-xxx* Intrinsically Safe sensor housing with pre-amp circuit *Specify the gas type and range
613-002646-000 Sensor splash guard with twist-lock adapter
975-RSDM00-500 DM-500 remote sensor separation kit
975-000020-892 Sensor Duct Mount Kit – DM Series
943-002273-000 Harsh location dust guard (fits 1.5 x 18 thread)
033-003238-000 Harsh location dust guard replacement filter for 1.5 x 18 thread (Sold in a pack of qty 20)

DM-500 Replacement Electrochemical Sensor Cells

370-505000-000 Ammonia plug-in detector assembly
370-191900-000 Arsine plug-in detector assembly
370-747500-000 Bromine plug-in detector assembly
370-12EB00-000 Butadiene plug-in detector assembly
370-444400-000 Carbon Monoxide plug-in detector assembly
370-747400-000 Chlorine plug-in detector assembly
370-777700-000 Chlorine Dioxide plug-in detector assembly (0-1 PPM)
370-747600-000 Chlorine Dioxide plug-in detector assembly (0-50 PPM)
370-192100-000 Diborane plug-in detector assembly
370-12EO00-000 Ethanol plug-in detector assembly
370-24EZ00-000 Ethyl Mercaptan plug-in detector assembly
370-12ED00-000 Ethylene plug-in detector assembly
370-12EJ00-000 Ethylene Oxide plug-in detector assembly
370-272700-000 Fluorine plug-in detector assembly
370-12EP00-000 Formaldehyde plug-in detector assembly
370-848400-000 Hydrogen PPM Range plug-in detector assembly
370-090800-000 Hydrogen Bromide plug-in detector assembly
370-090900-000 Hydrogen Chloride plug-in detector assembly
370-131300-000 Hydrogen Cyanide plug-in detector assembly
370-333300-000 Hydrogen Fluoride plug-in detector assembly
370-242400-000 Hydrogen Sulfide plug-in detector assembly (DM-524-H2S)
370-12EE00-000 Methanol plug-in detector assembly
370-12EK00-000 Methyl Mercaptan plug-in detector assembly
370-949400-000 Nitric Oxide plug-in detector assembly
370-646400-000 Nitrogen Dioxide plug-in detector assembly
370-393900-000 Ozone plug-in detector assembly
370-192000-000 Phosphine plug-in detector assembly
370-555500-000 Sulfur Dioxide plug-in detector assembly

Past Models

965-242480-100 DM-500IS-H2S in Aluminium Junction Box
965-24248B-100 DM-500IS-H2S in Stainless Steel Junction Box