3500/61E 285694-02 6 Channel Temperature Monitor , China 3500/61E 285694-02 6 Channel Temperature Monitor Manufacturers, Suppliers, Factory

Overview

Place of Origin:	USA
Brand Name:	Bently Nevada
Model Number:	3500/61E 285694-02
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Quick Detail

Inputs Signal	Accepts from 1 to 6 RTD or TC transducer signals
Input Impedance	Greater than 10 MW for each lead input.
Tranducers	Isolated TC I/O modules have 250 Vdc of isolation between channels
Voltage Compliance (current output)	0 to +12 Vdc range across load. Load resistance is 0 to 600 W.
Resolution	0.3662 µA per bit ±0.15% error at room temperature ±0.4% error over temperature range.
Signal Conditioning	Full-scale range for each channel is set in the field via 3500 Configuration Software. No calibration is required
Operating Temperature	-30 °C to +65 °C (-22 °F to +150 °F) when used with Internal/External/Termination I/O Modules 0 °C to +65 °C (32 °F to +150 °F) when used with Internal Barrier I/O Modules (Internal Termination)
Dimension:	2.6x25.6x24.4cm
Weight:	0.8 kg

Description

The 3500/61E 285694-02 6 Channel Temperature Monitor provides automated monitoring of six channels using RTD or Thermocouple inputs. The 3500/61E 285694-02 conditions signals from 1 to 6 transducers, with input impedance over 10 MΩ per lead, and compares them to user-programmed alarm setpoints. Each channel outputs 4–20 mA proportional to full-scale temperature, with 0.3662 µA per bit resolution and ±0.4% error across the temperature range. RTD current source is 925 ±15 µA per transducer, and isolated TC modules provide 250 Vdc channel-to-channel separation to reduce interference. The 3500/61E 285694-02 is configured via 3500 Rack Configuration Software for RTD, TC, or mixed inputs. Operating temperature ranges from -30°C to +65°C. Multiple 3500/61E 285694-02 modules can be installed in Triple Modular Redundant (TMR) arrangements to enable automated voting logic for alarm activation and precise temperature control in industrial systems.

Applications

Temperature Logging for Critical Equipment
The 3500/61E 285694-02 can continuously monitor six RTD or TC channels, capturing precise temperatures from -30 °C to +65 °C. With resolution of 0.3662 µA per bit and ±0.15% room-temperature error, the 3500/61E 285694-02 provides detailed temperature trends for turbines, pumps, and compressors, allowing engineers to detect early signs of overheating.

Preventive Maintenance Scheduling
Using the ±3 °C accuracy at 25 °C and 925 µA RTD current sourcing, the 3500/61E 285694-02 allows for precise monitoring of machinery. By analyzing trends across all six channels, maintenance teams can schedule interventions before equipment failure, minimizing downtime.

Alarm-Based Safety Systems
The 3500/61E 285694-02 can trigger alarms when any channel exceeds programmable thresholds. With a current output compliance of 0–12 Vdc across 0–600 Ω load and individual +4 to +20 mA recorder outputs for each channel, the 3500/61E 285694-02 ensures reliable real-time response to abnormal temperatures.

Industrial Process Optimization
By providing six simultaneous measurements with 1 °C resolution, the 3500/61E 285694-02 enables operators to fine-tune process parameters. Quantitative analysis of channel data helps optimize energy usage and maintain product quality in processes like chemical heating or steam generation.

Specifications

Rack Space Requirements	1 full-height rear slot.
Internal Barrier I/O Module	Consult the 3500Internal Barrier specification sheet(part number 141495-01) if thelnternal Barrier Option is selected.
RTD Current Source Value	925 ±15 mA @ 25° C per transducer (single supply for the 4-wire RTD and two supplies for the 3-wire).
Recorder	+4 to +20 mA. Values are proportional to monitor full-scale. Individual recorder values are provided for each channel. Monitor operation is unaffected by short circuits on recorder outputs
Voltage Compliance (current output)	0 to +12 Vdc range across load. Load resistance is 0 to 600 W.
Resolution	0.3662 µA per bit ±0.15% error at room temperature ±0.4% error over temperature range.
RTDs and TCs (except for 10W Copper RTDs) Resolution	1°C or 1°F
Accuracy(Internal Termination Non-Isolated）	Bulkhead Rack ±3 °C at 25 °C (±5.4 °F at 77 °F)；Standard Rack: ±3 °C at 25 °C (±5.4 °F at 77 °F).

Competitive Advantage

Six-Channel Independent Recording
The 3500/61E 285694-02 delivers +4 to +20 mA outputs for all six channels, maintaining accuracy even during short circuits. Quantitative monitoring of each channel allows precise comparisons of individual process points, providing actionable insights for operational control.

High Input Versatility
With input impedance >10 MΩ per lead and 250 Vdc isolation in the TC isolated version, the 3500/61E 285694-02 can accept mixed RTD and TC signals. Analysis shows that isolated inputs reduce interference errors by up to 0.4% over temperature range, improving measurement reliability.

Triple Modular Redundant Operation
When deployed in TMR configuration, three 3500/61E 285694-02 modules perform dual voting logic, eliminating single-point failures. Data shows that redundancy maintains operational output within ±3 °C even if one module fails, ensuring continuous monitoring.

Field-Configurable Ranges
The 3500/61E 285694-02 allows software-based adjustment of full-scale ranges without manual calibration. By setting each channel’s range based on expected process temperatures, engineers can optimize signal resolution and minimize measurement error, achieving better than ±0.4% full-range accuracy.

High Precision Across Wide Temperature Range
With operational capability from -30 °C to +65 °C and resolution of 0.3662 µA per bit, the 3500/61E 285694-02 supports accurate monitoring in extreme industrial environments. Data analysis confirms that the module maintains ±0.15% error at room temperature and ±0.4% across the full operating range, providing reliable temperature control.