Palmer Wahl DST621 Digi-Stem® RTD Thermometer with Dual Sensor and Output (-50°F to 500°F (-45.5°C to 260°C))

CASE STYLE: Stainless Steel Case Polycarbonate H Frame/Window

PROBES

Probes / Cable: 2 Independent Pt100 - 4 wire / PVC insulation, shielded, 10 conductor, 105°C rating

Sensor: 4 wire RTD, R0 = 100 Ω, Alpha = .00385 Ω / Ω / °C with serial ID chip 

Output: 4-20mA Transmitter

Connector: Turck 4-pin Connector

METER SPECIFICATIONS

Meter Range / Scale: -50° to 500°F (-45.5° to 260°C) / User Selectable °F or °C 

Meter Accuracy: ± 0.1°F/C, over 1 year period (@ Tamb = 23°C ± 5°C) 

System Accuracy: Temp ≤ 300°F (148.8°C) = ± 0.3°F (± 0.2°C), Temp > 300°F (148.8°C) = ± 0.5% of reading 

Ambient Operating Environment: -40° to 158°F (-40° to 70°C)

Relative Humidity: 10% to 100% RH non-condensing

Ambient Temperature Coefficient: Maximum of 0.003°/°C over Ambient Operating Temperature Range from 23°C ± 5°C

Vibration: Vibration Resistant

DISPLAY SPECIFICATIONS

Display: 1.0 inch 4-digit LCD display, readable from 30 Feet

Display Icons: °F and °C, Low Battery, Self-Checking / Error Warnings / Probe Mismatch

Display Resolution: 0.1°F/C. Optional “R” Model: User Selectable 1° or 0.1°F/C

SECONDARY RTD SPECIFICATIONS

RO: 100 ohms per DIN EN 60751 Powered from 24V DC external power loop

Accuracy: Class A per DIN EN 60751

Temperature Coefficient: TCR = 3850 ppm/k

ENCLOSURE

Protection: NEMA 4X

Enclosure Dimensions / Weight: 5.3" W x 4.3" H x 2.7" D (135 x 109 x 69 mm) / Weight: 2.0 lbs. (1kg)