--- type: product schema_version: 1 stock_number: "54086-4" canonical_url: "https://www.artisantg.com/Scientific/54086-4/Watlow-987A-21DD-ADRG-1-8-DIN-Process-Control-Module" json_url: "https://www.artisantg.com/Scientific/54086-4/Watlow-987A-21DD-ADRG-1-8-DIN-Process-Control-Module.json" generated_at: "2026-11-07T02:03:25.858Z" last_updated: "2026-04-06T13:32:15.610-05:00" --- # Watlow 987A-21DD-ADRG 1/8 DIN Process Control Module _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Watlow - Model: 987A-21DD-ADRG - Condition: Used and in Excellent Condition - Price: $295.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 5 lb - Shipping dimensions: 12x9x6 in ## Categories - Test Equipment > Electrical Test > PID (primary) ## Details Model: 987A-21DD-ADRG: - Power Supply: 24-28V (AC or DC) Power - Mounting: Nominal, Horizontal - Input 1: Universal Signal Conditioner - Input 2: Thermocouple Only (Excluding Type B, R and S) - Output 1: Electromechanical Relay, Form C, 5A with RC Suppression - Output 2: Electromechanical Relay, Form C, 5A with RC Suppression - Output 3: None - Output 4: Electromechanical Relay, Form C, 5A with RC Suppression - Display: Red/Green Displays ## Images - - - -