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Accurate and versatile, this thermocouple panel meter/controller features factory calibration for type J thermocouples and presents the entire span in a single range. In addition, this meter/controller features isolated 12 to 32 V AC or 10 to 48 V DC power and digital filtering for electrically noisy conditions.
Accurate and versatile, this thermocouple panel meter/controller features factory calibration for type J thermocouples and presents the entire span in a single range. In addition, this meter/controller features isolated 12 to 32 V AC or 10 to 48 V DC power and digital filtering for electrically noisy conditions.
Designed for system use, this thermocouple panel meter/controller features a red LED display and a ⅛ DIN case which meets NEMA 4X (IP65) specifications from the front when panel-mounted. Additionally, this meter/controller features a signal input range of -347 to 1400°F.
Features
The laureate thermocouple meter
This meter is factory calibrated for type J thermocouples for exceptional accuracy and repeatability. The entire span of each thermocouple type is presented in a single range. The thermocouple type, unit of measure (°C or °F), resolution (1° or 0.1°), and upscale or downscale open sensor indication are selectable from the front panel or via the serial interface. Display in Kelvin or Rankin is selected by offsetting the Celsius or Fahrenheit ranges. Cold junctioncompensation is standard.
All ranges for all thermocouple types
Are digitally calibrated at the factory, with calibration factors stored in EEPROM on the signal conditioner board. This allows temperatures sensors and signal conditioner boards to be changed in the field without recalibrating the meter. A cold junction compensation (CJC) unit is calibrated as a system with the signal conditioner board. That unit encloses the thermocouple junctions and the junction temperature sensor in the same isothermal space so as to minimize cold junction compensation errors.
High read rates at up to 60 or 50 conversions per second
While integrating the signal over a full power cycle are provided by Concurrent Slope (US Pat 5,262,780) analog-to-digital conversion. High read rates are ideal for peak or valley capture, realtime computer interface, and control. Peak and valley values are automatically captured. These may be displayed via a front panel pushbutton command or a control signal at the rear connector or be transmitted as serial data.
Digital filtering is selectable
For electrically noisy environments, including a batch averaging filter and an adaptive moving average filter which provides a choice of time constants from 80 ms to 9.6 seconds When a significant change in signal level occurs, that filter adapts by briefly switching to the shortest time to follow the change, then reverts back to the selected time constant. In a selectable Auto filter mode, the filter time constant is automatically selected based on detected signal noise.
Designed for system use
This unit may be powered from 85 to 264 V AC . The display is available with red LEDs. The ⅛ DIN case meets NEMA 4X (IP65) specifications from the front when panel mounted. Any setup functions and front panel keys can be locked out for simplified usage and security. All power and signal connections are via UL/VDE/CSA rated screw clamp plugs.
The commands pull-down menu
Allows you to execute certain meter functions by using your computer mouse. You can reset individual meter functions, display current or peak readings, and enter numbers to be displayed remotely by the DPM. The first position of a transmitted number must be a blank, + sign or - sign. Five digits and a decimal point must be transmitted. Leading 0’s serve as blanks. The Commands pull-down menu will be grayed out unless a Get Setup has been executed.
The readings pull-down menu
Provides three formats to display DPM data on the PC monitor. Use the Pause and Continue buttons to control the timing of data collection, then press Print for a hardcopy using your PC printer.
The calibration pull-down menu
Allows easy calibration of voltage and current ranges for the DC, load cell, and AC RMS signal conditioner boards. The PC first recognizes the type of board, then prompts you to apply specific jumpers and calibration signals. Press Ready to take a reading. Press Repeat to take more readings. When you have decided on which reading to accept, press on the number 1 through 10 of that reading.
Our digital panel meters
A versatile, cost effective solutions to a wide variety of monitoring and control applications. Depending on the choice of signal conditioner, they are easily set up for an accurate display of temperature, pressure, flow, weight, voltage or current, all in appropriate engineering units and with zero and span adjustment when needed. Setup can be via front panel pushbuttons or the meter’s serial interface. Selective security lockout of the front panel keys protects against accidental changes to meter setup.
The standard built-in power supply
Is a high-voltage switching supply that operates from worldwide AC power or from 90 to 300 V DC. A low-voltage supply is optional for power from 24 V DC, 10 to 48 V batteries, or 12 to 30 V AC. Both supplies provide an isolated 5, 10 or 24 V DC transducer excitation output.
The meter case
Conforms to the ⅛ DIN size standard and fits in a 1.77 x 3.62" (45 x 92 mm) panel cutout. It is made of high impact, 94 V-0 UL-rated plastic and is watertight to NEMA-4 (IP65) when panel mounted. Mounting is from the front of the panel and requires less than 4.33" (110 mm) behind the panel. Power and signal wiring is via removable plugs conforming to UL61010C safety standards. All output options are isolated from meter and power ground to 250 V AC.
Meter programming
Can be via the meter's front panel or a PC running Windows based Instrument Setup software. A communication board is required in the meter but can be removed following meter setup.
| Signal Input (Isolated) | Thermocouple Type J, -347 to 1400°F |
| Conformity Error | ±0.16°F |
| Analog Output | Output levels: Isolated 4 to 20 mA, 0 to 20 mA, 0 to 10 V, -10 to 10 V (jumper selectable) Current compliance: 2 mA at 10 V (>5 kΩ load) Voltage compliance: 2 V at 20 mA (<600Ω load) Scaling: Zero and full scale adjustable from -99999 to 99999 Resolution: 16 bits (0.0015% of full scale) Isolation 250 V rms working, 2.3 kV rms per 1 minute test |
| Display | Readout: Five digits, 7-segment, 0.56" (14.2 mm) Color: Basic DPM with red LEDs Indicators: Minus sign plus 4 red LED lamps for relays Open sensor indication: Flashes full-scale |
| Accuracy | Calibration: NIST monograph 125 (IPTS68) Overall accuracy at 77°F: ±0.01% of full span ±conformity error Span tempco: ±0.003% of reading/°F Reference junction accuracy: 32.9°F, 50 to 39.2°F |
| Electrical | Input resistance: 1 GΩ Input current: 100 pA Maximum lead resistance: 1 kΩ maximum for rated accuracy Overvoltage protection: 125 V AC NMR at 50/60 Hz: 80 dB plus selectable digital filter CMR, DC60 Hz: 120 dB with 500 Ω imbalance CMV, DC60 Hz: 250 V AC from power and earth grounds |
| A-to-D Conversion | Technique: Concurrent slope (Pat 5,262,780) A-to-D rate: 60/second at 60 Hz, 50/second at 50 Hz Output update: 56/second at 60 Hz, 47/second at 50 Hz Display update: 3.5/second at 60 Hz, 3/second at 50 Hz |
| Environmental | Operating temperature: 32 to 131°F (0 to 55°C) Storage temperature: -40 to 185°F (-40 to 85°C) Relative humidity: 95% at 104°F (40°C), noncondensing Protection: NEMA 4X (IP mechanical 65) when panel mounted |
| Power | Voltage: Isolated 12 to 32 V AC or 10 to 48 V DC Frequency: DC or 4763 Hz Consumption (typical, base meter): 1.2 W at 120 V AC, 1.5 W at 240 V AC, 1.3 W at 10 V DC, 1.4 W at 20 V DC, 1.55 W at 30 V DC, 1.8 W at 40 V DC, 2.15 W at 48 V DC Isolation: 250 V rms working, 2.3 kV rms per 1 minute test |
| Dimensions | 3.78 x 1.89 x 4.02" (96 x 48 x 102 mm) |
| Signal Input (Isolated) | Thermocouple Type J, -347 to 1400°F |
| Conformity Error | ±0.16°F |
| Analog Output | Output levels: Isolated 4 to 20 mA, 0 to 20 mA, 0 to 10 V, -10 to 10 V (jumper selectable) Current compliance: 2 mA at 10 V (>5 kΩ load) Voltage compliance: 2 V at 20 mA (<600Ω load) Scaling: Zero and full scale adjustable from -99999 to 99999 Resolution: 16 bits (0.0015% of full scale) Isolation 250 V rms working, 2.3 kV rms per 1 minute test |
| Display | Readout: Five digits, 7-segment, 0.56" (14.2 mm) Color: Basic DPM with red LEDs Indicators: Minus sign plus 4 red LED lamps for relays Open sensor indication: Flashes full-scale |
| Accuracy | Calibration: NIST monograph 125 (IPTS68) Overall accuracy at 77°F: ±0.01% of full span ±conformity error Span tempco: ±0.003% of reading/°F Reference junction accuracy: 32.9°F, 50 to 39.2°F |
| Electrical | Input resistance: 1 GΩ Input current: 100 pA Maximum lead resistance: 1 kΩ maximum for rated accuracy Overvoltage protection: 125 V AC NMR at 50/60 Hz: 80 dB plus selectable digital filter CMR, DC60 Hz: 120 dB with 500 Ω imbalance CMV, DC60 Hz: 250 V AC from power and earth grounds |
| A-to-D Conversion | Technique: Concurrent slope (Pat 5,262,780) A-to-D rate: 60/second at 60 Hz, 50/second at 50 Hz Output update: 56/second at 60 Hz, 47/second at 50 Hz Display update: 3.5/second at 60 Hz, 3/second at 50 Hz |
| Environmental | Operating temperature: 32 to 131°F (0 to 55°C) Storage temperature: -40 to 185°F (-40 to 85°C) Relative humidity: 95% at 104°F (40°C), noncondensing Protection: NEMA 4X (IP mechanical 65) when panel mounted |
| Power | Voltage: Isolated 12 to 32 V AC or 10 to 48 V DC Frequency: DC or 4763 Hz Consumption (typical, base meter): 1.2 W at 120 V AC, 1.5 W at 240 V AC, 1.3 W at 10 V DC, 1.4 W at 20 V DC, 1.55 W at 30 V DC, 1.8 W at 40 V DC, 2.15 W at 48 V DC Isolation: 250 V rms working, 2.3 kV rms per 1 minute test |
| Dimensions | 3.78 x 1.89 x 4.02" (96 x 48 x 102 mm) |
