Product Specifications; Installation - Emerson MRLDS-450 Quick Start Manual

3 Product Specifications

Size (HxWxD)
Weight
Indicators
Alarm Delay
Inputs
Outputs
Bluetooth®
Modbus
Power Supply
Wiring (Power)
Wiring (Relays)
Wiring (Modbus)
Enclosure
Temperature
Humidity
Pressure
Elevation

4 Installation

Document Part # 026-4417 Rev 3
©2023 Emerson Digital Cold Chain, Inc. This document may be photocopied for personal use.
Visit our website at www.climate.emerson.com for the latest technical documentation and updates.
Tactile Switches (x2), Magnetic Switches (x2)
Analog Output: 1 to 5V (default), 0 to 5V, 0 to 10V, 2 to 10V or 4 to 20 mA
Recommended: Belden 3106A (or equivalent) 3-core, 2 twisted pair + ground, shielded cable
with 120 Ω characteristic impedance,16 to 28 AWG
Semiconductor: -40°F to 122°F (-40°C to 50°C)
Electrochemical: Ranges vary by gas type and / or concentration,
see the MRLDS-450 user manual (P/N 026-1316) for a full list of
Table 2 - Product Specifications
NOTICE: The manufacturer of this product requires that a bump test or calibration be performed
following installation to verify installation to verify instrument functionality.
6.5" x 6.5" x 3.4" (165 x 165x 87 mm)
1.05 lbs (480g)
Multi-color Status LED
Internal Alarm Buzzer: 72dB @ 3.9" (10 cm)
Configurable (0 to 15 minutes)
Bluetooth® Low Energy, BLE 4.2
Connection: RS-485 terminal block
Baud Rate: 9,600 or 19,200 (default)
Data Bits: 8
Parity: None, Odd, or Even (default)
Stop Bits: 1 (default) or 2
Retry Time: 500 ms (minimum)
19.5 to 28.5 VDC or 24 VAC ±20%; 4W
2-core cable, 16 to 28 AWG
2-core cable, 16 to 28 AWG
Material: ABS
Protection: IP66
temperature ranges.
Infrared: -40°F to 122°F (-40°C to 50°C)
Catalytic Bead: -40 to 122°F (-40°C to 50°C)
5 to 90% RH, non-condensing
23.6 to 32.5"Hg (800 to 1,100 mbar)
0 to 6,560' (3,000 m) altitude
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