Environment-resistant analog measurement unit NR-XHA08T

NR-XHA08T - Environment-resistant analog measurement unit

  • CE Marking
  • CSA

Specifications

Model

NR-XHA08T

Input method

Insulated single-end input, channels insulated from each other, input channels insulated from the case and other units (system)

Number of input channels

8*1

Input connector type

Dedicated 3-pin connector

Measurement cycle

Maximum sampling cycle: 100 μs (10 kHz) to 60 s

A/D converting system

Delta-sigma method

A/D resolution

24 bits

A/D integration time (noise filter)

AUTO (Automatic configuration according to sampling cycle), 25 μs (40 kHz), 208 μs (4.8 kHz), 2.5 ms (400 Hz), 16.7 ms (60 Hz), 20 ms (50 Hz), 100 ms (10 Hz)

Input frequency band

2 kHz (−3 dB or more)

Input type

Voltage input: ±60 V, ±20 V, ±10 V, ±5 V, ±2 V, ±1 V, ±500 mV, ±200 mV, ±100 mV
Current input: ±20 mA

Averaging

Switchable between ON/OFF, Averaging rate: 2 to 128 (moving average)

Input impedance

Voltage input ±2 V range or higher

1 MΩ ±2%

Voltage input ±1 V range or higher

10 MΩ ±2%

Current input

Approx. 100 Ω

Measurement range

±60 V

Measurable range: −60.000 to +60.000 V
Measurement accuracy: ±0.05% of rdg ±8 mV *2
Display resolution: 2 mV

±20 V

Measurable range: −22.000 to +22.000 V
Measurement accuracy: ±0.05% of rdg ±4 mV *2
Display resolution: 1 mV

±10 V

Measurable range: −11.000 to +11.000 V
Measurement accuracy: ±0.05% of rdg ±2 mV *2
Display resolution: 0.5 mV

±5 V

Measurable range: −5.5000 to +5.5000 V
Measurement accuracy: ±0.05% of rdg ±0.8 mV *2
Display resolution: 0.2 mV

±2 V

Measurable range: −2.2000 to +2.2000 V
Measurement accuracy: ±0.05% of rdg ±0.4 mV *2
Display resolution: 0.1 mV

±1 V

Measurable range: −1.1000 to +1.1000 V
Measurement accuracy: ±0.05% of rdg ±0.2 mV *2
Display resolution: 0.05 mV

±500 mV

Measurable range: −550.00 to +550.00 mV
Measurement accuracy: ±0.05% of rdg ±0.08 mV *2
Display resolution: 0.02 mV

±200 mV

Measurable range: −220.00 to +220.00 mV
Measurement accuracy: ±0.05% of rdg ±0.04 mV *2
Display resolution: 0.01 mV

±100 mV

Measurable range: −110.000 to +110.000 mV
Measurement accuracy: ±0.05% of rdg ±0.02 mV *2
Display resolution: 0.005 mV

±20 mA

Measurable range: −22.000 to +22.000 mA
Measurement accuracy: ±0.08% of rdg ±0.004 mA *2
Display resolution: 0.001 mA

Maximum input rating

Voltage input: ±60 V, Current input: ±30 mA

Maximum allowable input ground voltage

120 VAC and 170 Vpeak, or 120 VDC (when using NR-XHA08T protective grounding)
The following applies when not using NR-XHA08T protective grounding.
Dry locations: 30 VAC and 42.4 Vpeak, or 60 VDC
Wet locations: 16 VAC and 22.6 Vpeak, or 35 VDC

Withstand voltage

Between measurement input terminal and case/other units (system): 1000 VAC (50 Hz / 60 Hz) for 1 minute
Between measurement input terminals: 1000 VAC (50 Hz / 60 Hz) for 1 minute

Buffer memory

16M data*3

Warm up time

30 minutes or more

Residual noise level

0.005% of F.S. (typ.) when A/D integration time is set to 20 ms (50 Hz) / 16.7 ms (60 Hz)
0.05% of F.S. (typ.) when A/D integration time is set to 208 μs (4.8 kHz)
*2

Common mode noise reduction ratio

105 dB or more (up to 60 Hz DC) (typ.)*2

Remote connection

Dedicated environment-resistant remote unit input port × 1 (Remote IN), Output port × 1 (Remote OUT)
Connection to NR-X100W master data collection unit or other NR-XR01 remote units using environment-resistant unit cable
Connectable to multiple environment-resistant measurement units*4

Synchronization accuracy between remote connection units

±1 μs*5

Power supply

Supplied from NR-X100W master unit

Power consumption

5.8 W or less

Surrounding air temperature

−40 to +85°C -40°F to +185°F*6

Operating ambient humidity

Max. 100% RH*7

Vibration resistance

100 m/s2 328.1 ft/s2; 5 to 2000 Hz; 2 hours in each of the X, Y, and Z directions (IEC 60068-2-6)*8
Equivalent to JIS D1601 Stage 45 (Class 1, Class 2, and Class 3; equivalent to Class B) automotive vibration standard

Shock resistance

1000 m/s2 3280.8 ft/s2; 3 times in each of the X, Y, and Z directions (18 times in total) (IEC 60068-2-27)

Enclosure rating

IP65/IP67 (IEC 60529)
Enclosure Type 4X (UL 50E, CSA C22.2 No. 94.2, NEMA 250)
Indoor/outdoor use

Material

Main unit case: Aluminum die-casting (coated), Display: Reinforced glass, Connectors: Brass (chromate processing), Connector protection cap: PBT+PC

Weight

Approx. 690 g 24.36 oz

*1 Max. expansion: 64 ch (with 8 units connected, using NR-X100W)
*2 Specified with an A/D integration time of 20 ms (50 Hz) / 16.7 ms (60 Hz), averaging set to 2 times, and after the warm-up time has passed and the temperature has stabilized (23°C ±3°C 73.4°F ±5.4°F).
*3 The buffer memory that can be used by the entire system is limited by the NR-X100W buffer memory.
*4 Environment-resistant unit cables can be extended by connecting an environment-resistant unit extension cable. The total length of cables used in the system should be no more than 100 m 32.8'. The distance between the NR-X100W (or NR-XR01) and environment-resistant measurement units or between environment-resistant remote measurement units should be no more than 60 m 196.9'.
*5 The sampling cycle and timing vary depending on the various measurement units used in the system.
*6 Install the product on the specified mounting sheet metal (OP-88613) for use with ambient temperatures of 80°C 176°F or higher.
*7 Use the product under the condition that the absolute humidity is 85°C 185°F with 90% RH or less. Avoid sudden temperature and humidity changes to prevent significant condensation and freezing.
*8 Testing with a 50 mm 1.97" p-p displacement limit used for 5 to 10 Hz.

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