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Display and Conditioning

7541 Series

Single- or dual-channel instrument. ac or dc excitation. Strain gage & speed sensor inputs

7541 Series

Configure Product

These advanced instruments provide engineering unit display of a strain gage (mV/V) input and a frequency input. They also compute power and perform 21 functions including limit checks, tare, hold and max./min. capture. You needn̵7:t write code or add hardware to be up and running a productive test. The alphanumeric readout can display measured and computed data, units of measure, and test status. During setup, it guides you with English language prompts. There are no manual adjustments. To calibrate, enter the full scale value in engineering units and auto-cal takes over. Provides 0.01 % (max.) resolution and ±5 V and/or ±10 V analog outputs at full scale. The keyboard accesses measured data, held data, max./min. data, data spread, limit status, and/or I/O status without disruption. Password protection may be used, if needed.

Features
  • May be calibrated in two directions (clockwise and counterclockwise or tension and compression)
  • Fast, rock-solid readings with high noise immunity - 2000 samples/sec for torque, head, or drawbar force input - 1 ms response for speed
  • One or two channel input
  • Six-digit engineering unit with legends and 0.01 % resolution max.
  • RS-232, RS-422, RS-485 serial communication
  • Auto-scaled ±5 V and/or ±10 V analog outputs
  • No pots, batteries, fans, maintenance, or external power supplies
  • Excitation: ac carrier models, 3.28 kHz, 3 V rms: dc models, 5 V or 10 V dc, user selectable
  • CE approved

Others

  • Automatic Null
    • In Phase: ±10 % of full scale (with 50 % overrange), ±60 % of full scale (with 0 % overrange), Quadrature: ±1 mV/V
  • Input Impedance and Configuration
    • Differential or single-ended inputs. 100 kohm differential, 50 kohm single ended
  • Response Time
    • Greater of: 1 ms, typ. (2 ms worst case) or the input pulse length
  • Input Resistance
    • 100 mohm in parallel with 33 pF
  • Anti-Alias Filter
    • 200 Hz, 7-pole Bessel response filter
  • Common Mode Rejection
    • 80 dB (60 Hz), 55 dB (0 kHz to 10 kHz)
  • Product Dimensions
    • 165 mm W x 74 mm H x 221 mm D [6.5 in W x 2.9 in H x 8.7 in D]
  • Signal-to-Noise Ratio
    • With 1/10/100/200 Hz filters 86/76/66/62 dB @ 1 mV/V full scale and 86/80/72/66 dB @ 5 mV/V FS
  • Numeric Display Format
    • 16 x 2
  • Auto Calibration
    • Dual polarity shunt calibration with provision for CAL resistor feedback
  • UNSPSC Commodity
    • Strain gages
  • Spurious Signal Rejection
    • 60 Hz: 120 dB common mode, 100 dB normal mode. Carrier quadrature: 60 dB
  • Display Type
    • LCD
  • Input Threshold (Keypad Selectable)
    • 10, 20, 50, 100, or 200 mV pk-pk (between inputs) or TTL
  • Supply Voltage
    • 90 Vac to 250 Vac
  • UNSPSC Code
    • 41111605
  • Input Signal Bandwidth
    • 0.001 kHz to 200 kHz (10 mV to 200 mV pk-pk threshold); 0.001 kHz to 400 kHz (TTL threshold)
  • Input Type
    • Any 80 Ohm to 2K Ohm transducer, directly wired or transformer coupled. 4, 6, or 7 wire circuits are accommodated
  • Overrange Indicator
    • ±8.2 V @ ±5 V full scale or ±13.5 V@ ±10 V full scale
  • Order Code
    • 7541-101
    • 7541-112
    • 7541-111
    • 7541-115
  • Maximum Baud Rate
    • 300 to 38400. Maximum cable length: 4000 ft (RS-422/RS-485), 50 ft (RS-232)
  • Display Ranges and Resolution
    • Rangeless (use any full scale engineering unit value) with 50 % overrange. Resolution is 0.01 % of full scale
  • Maximum Voltage
    • ±130 Vdc or 130 Vrms
  • Weight
    • 1,36 kg [3 lb]
  • Sensitivity
    • 1.0 mV/V to 4.5 mV/V with 50 % overrange; automatically scaled
  • Overall Accuracy
    • 0.01 % of full scale @ 25 °C [77 °F]; 0.015 % of full scale @ 5 °C to 50 °C [41 °F to 122 °F]
  • Maximum Transducer Cable Length
    • 500 ft, except 200 ft for 100 ohm or lower strain gage transducers
  • Transducer Excitation
    • dc excitation: 5 V or 10 V dc, user selectable, regulated
    • ac excitation: 3 V RMS, 3.28 kHz ±0.01 % sine wave. Regulated and short circuit protected
  • Frequency Input
    • Any unidirectional or bidirectional (quadrature) source including self-generating and zero velocity magnetic pickups, optical encoders, flowmeters, etc. When used with bidirectional sensors, the conditioner outputs both direction and magnitude
  • Type of Inputs
    • Dual display (two inputs)
    • Single display (one input)
    • Torque, RPM, HP (displays two of the three)
  • Series Name
    • 7541
  • Low-Pass Filtering
    • 20 kHz (-3 dB) or none (this filter is not available for TTL inputs)
  • Resolution
    • 0.01 % of full scale

Others

  • Automatic Null
    • In Phase: ±10 % of full scale (with 50 % overrange), ±60 % of full scale (with 0 % overrange), Quadrature: ±1 mV/V
  • Input Impedance and Configuration
    • Differential or single-ended inputs. 100 kohm differential, 50 kohm single ended
  • Response Time
    • Greater of: 1 ms, typ. (2 ms worst case) or the input pulse length
  • Input Resistance
    • 100 mohm in parallel with 33 pF
  • Anti-Alias Filter
    • 200 Hz, 7-pole Bessel response filter
  • Common Mode Rejection
    • 80 dB (60 Hz), 55 dB (0 kHz to 10 kHz)
  • Product Dimensions
    • 165 mm W x 74 mm H x 221 mm D [6.5 in W x 2.9 in H x 8.7 in D]
  • Signal-to-Noise Ratio
    • With 1/10/100/200 Hz filters 86/76/66/62 dB @ 1 mV/V full scale and 86/80/72/66 dB @ 5 mV/V FS
  • Numeric Display Format
    • 16 x 2
  • Auto Calibration
    • Dual polarity shunt calibration with provision for CAL resistor feedback
  • UNSPSC Commodity
    • Strain gages
  • Spurious Signal Rejection
    • 60 Hz: 120 dB common mode, 100 dB normal mode. Carrier quadrature: 60 dB
  • Display Type
    • LCD
  • Input Threshold (Keypad Selectable)
    • 10, 20, 50, 100, or 200 mV pk-pk (between inputs) or TTL
  • Supply Voltage
    • 90 Vac to 250 Vac
  • UNSPSC Code
    • 41111605
  • Input Signal Bandwidth
    • 0.001 kHz to 200 kHz (10 mV to 200 mV pk-pk threshold); 0.001 kHz to 400 kHz (TTL threshold)
  • Input Type
    • Any 80 Ohm to 2K Ohm transducer, directly wired or transformer coupled. 4, 6, or 7 wire circuits are accommodated
  • Overrange Indicator
    • ±8.2 V @ ±5 V full scale or ±13.5 V@ ±10 V full scale
  • Order Code
    • 7541-101
    • 7541-112
    • 7541-111
    • 7541-115
  • Maximum Baud Rate
    • 300 to 38400. Maximum cable length: 4000 ft (RS-422/RS-485), 50 ft (RS-232)
  • Display Ranges and Resolution
    • Rangeless (use any full scale engineering unit value) with 50 % overrange. Resolution is 0.01 % of full scale
  • Maximum Voltage
    • ±130 Vdc or 130 Vrms
  • Weight
    • 1,36 kg [3 lb]
  • Sensitivity
    • 1.0 mV/V to 4.5 mV/V with 50 % overrange; automatically scaled
  • Overall Accuracy
    • 0.01 % of full scale @ 25 °C [77 °F]; 0.015 % of full scale @ 5 °C to 50 °C [41 °F to 122 °F]
  • Maximum Transducer Cable Length
    • 500 ft, except 200 ft for 100 ohm or lower strain gage transducers
  • Transducer Excitation
    • dc excitation: 5 V or 10 V dc, user selectable, regulated
    • ac excitation: 3 V RMS, 3.28 kHz ±0.01 % sine wave. Regulated and short circuit protected
  • Frequency Input
    • Any unidirectional or bidirectional (quadrature) source including self-generating and zero velocity magnetic pickups, optical encoders, flowmeters, etc. When used with bidirectional sensors, the conditioner outputs both direction and magnitude
  • Type of Inputs
    • Dual display (two inputs)
    • Single display (one input)
    • Torque, RPM, HP (displays two of the three)
  • Series Name
    • 7541
  • Low-Pass Filtering
    • 20 kHz (-3 dB) or none (this filter is not available for TTL inputs)
  • Resolution
    • 0.01 % of full scale
  • Automatic Null : In Phase: ±10 % of full scale (with 50 % overrange), ±60 % of full scale (with 0 % overrange), Quadrature: ±1 mV/V
  • Input Impedance and Configuration : Differential or single-ended inputs. 100 kohm differential, 50 kohm single ended
  • Response Time : Greater of: 1 ms, typ. (2 ms worst case) or the input pulse length
  • Input Resistance : 100 mohm in parallel with 33 pF
  • Anti-Alias Filter : 200 Hz, 7-pole Bessel response filter
  • Common Mode Rejection : 80 dB (60 Hz), 55 dB (0 kHz to 10 kHz)
  • Product Dimensions : 165 mm W x 74 mm H x 221 mm D [6.5 in W x 2.9 in H x 8.7 in D]
  • Signal-to-Noise Ratio : With 1/10/100/200 Hz filters 86/76/66/62 dB @ 1 mV/V full scale and 86/80/72/66 dB @ 5 mV/V FS
  • Numeric Display Format : 16 x 2
  • Auto Calibration : Dual polarity shunt calibration with provision for CAL resistor feedback
  • UNSPSC Commodity : Strain gages
  • Spurious Signal Rejection : 60 Hz: 120 dB common mode, 100 dB normal mode. Carrier quadrature: 60 dB
  • Display Type : LCD
  • Input Threshold (Keypad Selectable) : 10, 20, 50, 100, or 200 mV pk-pk (between inputs) or TTL
  • Supply Voltage : 90 Vac to 250 Vac
  • UNSPSC Code : 41111605
  • Input Signal Bandwidth : 0.001 kHz to 200 kHz (10 mV to 200 mV pk-pk threshold); 0.001 kHz to 400 kHz (TTL threshold)
  • Input Type : Any 80 Ohm to 2K Ohm transducer, directly wired or transformer coupled. 4, 6, or 7 wire circuits are accommodated
  • Overrange Indicator : ±8.2 V @ ±5 V full scale or ±13.5 V@ ±10 V full scale
  • Order Code : 7541-101|7541-112|7541-111|7541-115
  • Maximum Baud Rate : 300 to 38400. Maximum cable length: 4000 ft (RS-422/RS-485), 50 ft (RS-232)
  • Display Ranges and Resolution : Rangeless (use any full scale engineering unit value) with 50 % overrange. Resolution is 0.01 % of full scale
  • Maximum Voltage : ±130 Vdc or 130 Vrms
  • Weight : 1,36 kg [3 lb]
  • Sensitivity : 1.0 mV/V to 4.5 mV/V with 50 % overrange; automatically scaled
  • Overall Accuracy : 0.01 % of full scale @ 25 °C [77 °F]; 0.015 % of full scale @ 5 °C to 50 °C [41 °F to 122 °F]
  • Maximum Transducer Cable Length : 500 ft, except 200 ft for 100 ohm or lower strain gage transducers
  • Transducer Excitation : dc excitation: 5 V or 10 V dc, user selectable, regulated|ac excitation: 3 V RMS, 3.28 kHz ±0.01 % sine wave. Regulated and short circuit protected
  • Frequency Input : Any unidirectional or bidirectional (quadrature) source including self-generating and zero velocity magnetic pickups, optical encoders, flowmeters, etc. When used with bidirectional sensors, the conditioner outputs both direction and magnitude
  • Type of Inputs : Dual display (two inputs)|Single display (one input)|Torque, RPM, HP (displays two of the three)
  • Series Name : 7541
  • Low-Pass Filtering : 20 kHz (-3 dB) or none (this filter is not available for TTL inputs)
  • Resolution : 0.01 % of full scale
Data Sheet
Name
Description
File Size
Date
Size
Test & MeasurementInstrumentation Accessories Datasheet
649.85 KB
9/11/2020
PDF 649.85 KB
Test & MeasurementModel 7541 AC Carrier or DC Strain Gage Conditioner Indicator Datasheet
171.14 KB
9/11/2020
PDF 171.14 KB
Others
Name
Description
File Size
Date
Size
Model 7541_highres_photo
253.14 KB
9/11/2020
253.14 KB
Model 7541_lowres_photo
65.93 KB
9/11/2020
65.93 KB
Model 7541 Top Angle View
111.5 KB
9/11/2020
111.5 KB
Model 7541 Front View
129.13 KB
9/11/2020
129.13 KB
Model 7541 Bottom View
131.4 KB
9/11/2020
131.4 KB
Model 7541 Top View
185.65 KB
9/11/2020
185.65 KB
Name
Description
File Size
Date
Size
Test & MeasurementInstrumentation Accessories Datasheet
649.85 KB
9/11/2020
PDF 649.85 KB
Model 7541_highres_photo
253.14 KB
9/11/2020
253.14 KB
Model 7541_lowres_photo
65.93 KB
9/11/2020
65.93 KB
Model 7541 Top Angle View
111.5 KB
9/11/2020
111.5 KB
Model 7541 Front View
129.13 KB
9/11/2020
129.13 KB
Model 7541 Bottom View
131.4 KB
9/11/2020
131.4 KB
Test & MeasurementModel 7541 AC Carrier or DC Strain Gage Conditioner Indicator Datasheet
171.14 KB
9/11/2020
PDF 171.14 KB
Model 7541 Top View
185.65 KB
9/11/2020
185.65 KB