ROOTECH

Accura 2300 Distribution Panel Digital Power Meter

Voltage Measurement in the Incoming Feeder
Measures voltage by sensing voltage in the incoming feeder in distribution panels
Display
Displays the measurement data of Accura 2300, as well as the data collected from Accura 2350 modules on the LCD screen¹
Measurement Parameters
Voltage	Line-to-neutral voltage, Line-to-line voltage, Frequency, Fundamental^2,3, Harmonics^2,3, THD
	Vector diagram(Phasor)³, Residual voltage ^3,4
	Unbalance according to symmetrical components(zero sequence or negative sequence)³, the NEMA standard³
Temperature	Measures the temperature of Accura 2300 with a sensor located on the side of the module
Power Quality
Dip(Sag), Swell	RMS voltage values measured over 1 cycle(refreshed every half cycle)
Harmonics	Up to the 40th order
Unbalance³	Line-to-neutral/Line-to-line voltage unbalance, zero-sequence/negative-sequence unbalance
Measurement Events
Type of Event	Dip(Sag), Swell events
	Phase open events³, Fuse fail events, Over temperature events
	Over current events, Over leakage current events
	Over demand current events, Over power events
Max number of event logs	100
Internal Communication with Accura 2350 Modules
Dedicated communication	Sends sampled voltage data to multiple Accura 2350 modules
	Collects measurement data from multiple Accura 2350 modules
External Communication with the Host System
Ethernet	Communicates with the host system using 100 Mbps full duplex Modbus TCP protocol
	Ethernet switching using 2 ports
	Wiring mode: Star, Daisy-chain, Ring topology(RSTP⁵ supported)
RS-485⁷	Communicates with the host system using Modbus RTU protocol at 1,200 – 115,200 bps⁶
Digital Input/Output⁷
Digital Input	2 channels, dry contact
Digital Output	1 channel, Form A relay
Power Supply
Power voltage	AC 85 – 265 V 50/60 Hz, DC 100 – 300 V

1. The LCD screen only shows the measurement data of the selected Accura 2350 module.
2. It indicates the line-to-neutral voltage and line-to-line voltage values in 3P4W mode and 3P3W mode, respectively.
3. The data are not displayed on the LCD screen of Accura 2300 and are provided only via communication.
4. The residual voltage is the RMS value calculated by summing up three-phase voltage values.
5. RSTP(Rapid Spanning Tree Protocol), IEEE 802.1D-2004.
6. Up to 16 devices can be connected to each bus at 115,200 bps.
7. If you choose the RS-485 option when ordering Accura 2300, the product comes with the RS-485 communication
port instead of digital input/output ports.

Accura 2350-3P/1P/1PSH Power Measuring Module

Power Measurement in Branch Loads/ Main Incoming Feeder
Measures various power characteristics based on the sampled current data measured in the incoming feeder or branch load, as well as the sampled voltage data received from Accura 2300 module
Model		Basic Current
Three-phase	Accura 2350-3P-250A-105	250 A
	Accura 2350-3P-125A-90	125 A
	Accura 2350-3P-100A-75	100 A
	Accura 2350-3P-60A-75	60 A
	Accura 2350-3P-CT5A-75¹	CT5 A
Single-phase	Accura 2350-1P-250A-105	250 A
	Accura 2350-1P-125A-60	125 A
	Accura 2350-1P-100A-50	100 A
	Accura 2350-1P-60A-50	60 A
	Accura 2350-1P-50A-35	50 A
	Accura 2350-1P-30A-35	30 A
Single-phase single-hole	Accura 2350-1PSH-50A-35	50 A
	Accura 2350-1PSH-30A-35	30 A
Measurements
Current	RMS, Fundamental, THD, TDD, Harmonics², Residual current³, Leakage current
	Vector diagram(Phasor)², Crest factor², K-factor²
	Unbalance according to symmetrical components(zero sequence or negative sequence)³, the NEMA standard³
Power	Active power, Reactive power, Apparent power
Energy	Active energy(Received/Delivered/Net/Sum), Reactive energy ², Apparent energy ²
Power factor	Power factor
Demand	Current/power demand, Peak current/power demand, Predicted current/power demand²
Internal Communication with Accura 2300
Dedicated communication	Receives sampled voltage data from Accura 2300
	Sends measurement and operational status data to Accura 2300
Power Supply
Power voltage	Receives power from Accura 2300

1. If the rated current exceeds 250 A, you should use Accura 2350-3P-CT5A-75 module with external CTs(the secondary current rating: 5 A).
2. The data are not displayed on the LCD screen of 2300 and are provided only via communication.
3. The data are available only when performing three-phase measurements.

Accura 2350-3PSC/1PSC/1PSCSH Split-core Power Measuring Module

Power Measurement in Branch Loads/ Main Incoming Feeder
Measures various power characteristics based on the sampled current data measured in the incoming feeder or branch load, as well as the sampled voltage data received from Accura 2300 module
Model		Basic Current
Split-core three-phase	Accura 2350-3PSC-250A-105	250 A
	Accura 2350-3PSC-125A-90	125 A
	Accura 2350-3PSC-60A-75	100 A
	Accura 2350-3PSC-CT5A-90¹	60 A
Split-core single-phase	Accura 2350-1PSC-250A-105	250 A
	Accura 2350-1PSC-125A-60	125 A
	Accura 2350-1PSC-60A-50	60 A
Split-core single-phase single-hole⁴	Accura 2350-1PSCSH-800A	800 A
	Accura 2350-1PSCSH-630A	630 A
	Accura 2350-1PSCSH-400A	400 A
Measurements
Current	RMS, Fundamental, THD, TDD, Harmonics², Residual current³, Leakage current
	Vector diagram(Phasor)², Crest factor², K-factor²
	Unbalance according to symmetrical components(zero sequence or negative sequence)³, the NEMA standard³
Power	Active power, Reactive power, Apparent power
Energy	Active energy(Received/Delivered/Net/Sum), Reactive energy ², Apparent energy ²
Power factor	Power factor
Demand	Current/power demand, Peak current/power demand, Predicted current/power demand²
Internal Communication with Accura 2300
Dedicated communication	Receives sampled voltage data from Accura 2300
	Sends measurement and operational status data to Accura 2300
Power Supply
Power voltage	Receives power from Accura 2300

1. If the rated current exceeds 250 A, you should use Accura 2350-3PSC-CT5A-90 module with external CTs(the secondary current rating: 5 A).
2. The data are not displayed on the LCD screen of 2300 and are provided only via communication.
3. The data are available only when performing three-phase measurements.
4. No functional difference between RJ12A and RJ12B.
However, in 3P3W mode you can perform three-phase measurements by installing two Accura 2350-1PSCSH modules for A and C phases.

TM-3P/1P Terminal

Accura 2300 Distribution Panel Digital Power Meter

Power Supply
Port name	L+, N-, G(earth ground)
Connector type	Terminal block¹
Wire specs	2.1 – 4.0 mm²(14 – 12 AWG), copper or aluminum
Wire temp rating	Above 70 °C
Power voltage	AC 85 – 265 V 50/60 Hz, DC 100 – 300 V
Withstand voltage	AC 2,500 V RMS, 60 Hz for 1 minute
Operating envir.	Pollution degree 2
Power consumption	Max 20 VA	Varies by the number of connected Accura 2350 modules
Inrush current	Peak 25 A, duration: less than 2 msec(AC 220 V)²
Voltage Input
Port name	V₁, V₂, V₃, V_N
Connector type	Terminal block¹
Wire specs	2.1 – 3.5 mm²(14 – 12 AWG), copper or aluminum
Wire temp rating	Above 70 °C
Burden	0.02 VA/phase @ 220 V
Withstand voltage	AC 2,000 V RMS, 60 Hz for 1 minute
Impedance	10 MΩ/phase
Meas. category	Category Ⅲ
Internal Communication with Accura 2350 Modules
Dedicated communication	Port name	RJ12–1, RJ12–2 (2 ports)
	Comm. cable	6C telephone line³
	Cable length⁴	Up to 6 m for each port
	Max number of connectable modules⁵	15 for each port
External Communication with the Host System
Ethernet	Port name	Ethernet1, Ethernet2 (2 ports)
	Connector type	RJ45
	Protocol	Modbus TCP
	Ethernet cable	STP(Shielded Twisted Pair)/ SFTP(Screened Foiled Twisted Pair) Cat 5e
	Comm. speed	100 Base–TX(100 Mbps/Full Duplex)
	Wiring mode	Star, Daisy-Chain, Ring topology
RS–485¹⁴	Port name	Ta(TRX+), Tb(TRX-)
	Connector type	Screw-type terminal((Pluggable)
	Protocol	Modbus TCP
	Wire specs	0.21 – 3.5 mm²(24 – 12 AWG), Shielded twisted pair⁶
	Cable length	Up to 1,219 m(4,000 ft)
	Comm. speed	1,200 – 115,200⁷ bps
	Max number of connectable modules	32 for each bus⁷
Digital Input/Output¹⁴
Digital Input	Port name	DI₁, DI₂, DI_G
	Connector type	Terminal block⁸
	Input type	2 channels, dry contact(common ground)
	Wire specs	1.5 – 3.5 mm²(16 – 12 AWG), copper or aluminum
	Rating	DC 5 V (Self excitation)
	Isolation	Max 300 V
	Min pulse width	1 s
Digital output	Port name	DO, DO_G
	Connector type	Terminal block⁸
	Wire specs	1.5 – 3.5 mm²(16 – 12 AWG), copper or aluminum
	Output contact	1 channel, Form A relay
	Output type	Latch, Uncountable/Countable Pulse⁹, Periodic Pulse⁹
	Isolation	AC 2,000 V for 1 minute
	Min pulse width	AC 250 V 5 A, DC 110 V 0.3 A, DC 30 V 5 A
Voltage Measurement
Wiring mode	3P4W, 3P3W, 1P3W, 1P2W
Sampling rate	512 samples/cycle
Frequency meas.	50/60 Hz, 42 – 69 Hz
Voltage	Measuring range¹⁰(accuracy guaranteed)	AC 60 – 600 V Line–to–line
	Accuracy	±0.2 % Reading
	Max measured value	AC 660 V Line–to–line
	Min measured value	AC 5 V Line–to–neutral
	Measurement data	Line-to-neutral voltage, Line-to-line voltage, Frequency, Fundamenta^11,12, Harmonics^11,12, THD
		Vector diagram(Phasor)¹², Residual voltage^12,13
		Unbalance according to symmetrical components(zero sequence or negative sequence)¹², the NEMA standard¹²
Power Quality
Dip(Sag), Swell	RMS voltage values measured over 1 cycle(refreshed every half cycle)
Voltage harmonics¹¹	Harmonic order	Up to the 40th order
Voltage harmonics¹¹	Measurement data	THD, Magnitude of each harmonic
Voltage unbalance¹²	Line-to-neutral/Line-to-line voltage unbalance according to the NEMA standard
Voltage unbalance¹²	Zero-sequence/negative-sequence voltage unbalance

1. The maximum tightening torque of the terminal screws of the barrier-type terminal block is 1.36 Nm(14 kgf-cm, 12 lbf-in).
2. When installing a fuse at the voltage input line, it is recommended to use a fuse above 2 A/500 V due to inrush current.
3. It is provided with the product. 4C telephone lines cannot be used.
The conducting wire of the 6C telephone line should be at least 0.128 mm2(26 AWG). It is recommended to keep
a distance of over 5 mm from power lines generating high levels of noise to prevent interference.
4. It indicates the maximum length of the 6C telephone line used to connect Accura 2300 to all Accura 2350 modules
with each port(RJ12-1 or RJ12-2) on Accura 2300.
5. Up to 15 Accura 2350-3P/1P power measuring modules can be connected to each port(RJ12-1, RJ12-2) on
Accura 2300. For details about how to connect Accura 2300 to special-purpose modules, refer to the individual
user manuals of special-purpose modules.
6. The shielded cable should be connected to the Sh port on Accura 2300
7. Up to 16 devices can be connected to each bus at 115,200 bps.
8. The maximum screw tightening torque of the barrier-type terminal block for digital input/output ports is 0.9 Nm(9 kgf-cm, 8 lbf-in).
9. Each pulse features a pulse period and pulse-on time.
10. It indicates the device’s input voltage range, thus the primary voltage refers to the value obtained by multiplying it by
the PT ratio when using external PTs.
11. It indicates the line-to-neutral voltage and line-to-line voltage values in 3P4W mode and 3P3W mode, respectively.
12. The data are not displayed on the LCD screen of Accura 2300 and are provided only via communication.
13. The residual voltage is the RMS value calculated by summing up three-phase voltage values.
14. If you choose the RS-485 option when ordering Accura 2300, the product comes with the RS-485 communication
port instead of digital input/output ports.

Accura 2350-3P/1P/1PSH Power Measuring Modules

Current Input
Connector type	Through-hole type
Wire size	Selectable according to hole dimensions
Measurement
Frequency measurement	50/60 Hz, 42 – 69 Hz
Sampling	FFT calculation(harmonic measurement)		64 samples/cycle
	RMS calculation(basic measurement)		32 samples/cycle
Current	Model		Basic Current	Measuring Range (Accuracy guaranteed)	Min Meas.Value	Hole Dimensions
	Accura 2350-3P-250A-105		250 A	1 A - 300 A	250 mA	Ø21.0 mm
	Accura 2350-3P-125A-90		125 A	500 mA - 150 A	125 mA	Ø16.5 mm
	Accura 2350-3P-100A-75		100 A	400 mA - 120 A	100 mA	Ø13.5 mm
	Accura 2350-3P-60A-75		60 A	240 mA - 72 A	60 mA	Ø13.5 mm
	Accura 2350-3P-CT5A-75¹		CT5 A	CT20 mA - 6 A²	CT5 mA	Ø13.5 mm
	Accura 2350-1P-250A-105		250 A	1 A - 300 A	250 mA	Ø21.0 mm
	Accura 2350-1P-125A-60		125 A	500 mA - 150 A	125 mA	Ø16.4 mm
	Accura 2350-1P-100A-50		100 A	400 mA - 120 A	100 mA	Ø13.5 mm
	Accura 2350-1P-60A-50		60 A	240 mA - 72 A	60 mA	Ø13.5 mm
	Accura 2350-1P-50A-35		50 A	200 mA - 60 A	50 mA	Ø8.9 mm
	Accura 2350-1P-30A-35		30 A	120 mA - 36 A	30 mA	Ø8.9 mm
	Accura 2350-1PSH-50A-35		50 A	200 mA - 60 A	50 mA	Ø9.0 mm
	Accura 2350-1PSH-30A-35		30 A	120 mA - 36 A	30 mA	Ø9.0 mm
	Accuracy		±0.2 % Reading
	Measured data		RMS, Fundamental, THD, TDD, Harmonics³, Residual current⁴, Leakage current
			Vector diagram(Phasor)³, Crest factor³, K-factor³
			Unbalance according to symmetrical components(zero sequence or negative sequence)⁴, the NEMA standard⁴
Leakage current	Leakage current input		Voltage-type external ZCT 200 mA/100 mV @1.2 kΩ Burden
	Accuracy⁵/Measuring range		±2 % Reading + 2 mA / Up to 1 A
Power	Active	Accuracy	IEC 61557-12 Class 0.5
	Reactive		IEC 61557-12 Class 1
	Apparent		IEC 61557-12 Class 0.5
Energy	Active	Accuracy	IEC 62053-22 Class 0.5S
		Measured data	Received/Delivered/Net/Sum(total) energy
	Reactive³	Accuracy	IEC 62053-24 Class 1
		Measured data	Positive/Negative/Net/Sum(total) energy
	Apparent³	Accuracy	IEC 61557-12 Class 0.5
Power factor	Power factor
Demand	Current/Power		Demand, Peak demand, Predicted demand^3,6
Power Quality
Current harmonics	Harmonic order		Up to the 31st harmonic
	Measured data		THD, TDD, magnitude of each harmonic³
Current unbalance⁴	Current unbalance according to the NEMA standard
	Zero-sequence/negative-sequence current unbalance

1. If the rated current exceeds 250 A, you should use Accura 2350-3P-CT5A-75 module with external CTs(the secondary current rating: 5 A).
2. It indicates the current input range for the CT secondary.
3. The data are not displayed on the LCD screen of Accura 2300 and are provided only via communication.
4. The data are available only when performing three-phase measurements.
5. It indicates the measurement accuracy when the measurement error of an external ZCT is zero.
6. The predicted demand is calculated based on the assumption that the current demand value is maintained during the
remaining demand subinterval within a demand subinterval.

Accura 2350-3PSC/1PSC Power Measuring Modules

Current Input
Connector type	Through-hole type
Wire size	Selectable according to hole dimensions
Measurement
Frequency measurement	50/60 Hz, 42 – 69 Hz
Sampling	FFT calculation(harmonic measurement)		64 samples/cycle
	RMS calculation(basic measurement)		32 samples/cycle
Current	Model		Basic Current	Measuring Range (Accuracy guaranteed)	Min Meas.Value	Hole Dimensions
	Accura 2350-3PSC-250A-105		250 A	2.50 A - 300 A	1.67 A	23.0 x 31.7 mm
	Accura 2350-3PSC-125A-90		125 A	1.25 A - 150 A	0.83 A	18.2 x 31.7 mm
	Accura 2350-3PSC-60A-75		60 A	0.60 A - 72 A	0.40 A	13.4 x 31.7 mm
	Accura 2350-3PSC-CT5A-90		60 A	0.60 A - 72 A	0.40 A	6.2 x 6.5mm(A,C)
						6.2 x 7.7 mm(B)³
	Accura 2350-1PSC-250A-105		250 A	2.50 A - 300 A	1.67 A	23.0 x 31.7 mm
	Accura 2350-1PSC-125A-60		125 A	1.25 A - 150 A	0.83 A	17.9 x 31.7 mm
	Accura 2350-1PSC-60A-50		60 A	0.60 A - 72 A	0.40 A	13.0 x 31.7 mm
	Accuracy		±0.5 % Reading⁴
	Measured data		RMS, Fundamental, THD, TDD, Harmonics⁵, Residual current⁶, Leakage current
			Vector diagram(Phasor)⁵, Crest factor⁵, K-factor⁵
			Unbalance according to symmetrical components(zero sequence or negative sequence)⁶, the NEMA standard⁶
Leakage current	Leakage current input		Voltage-type external ZCT 200 mA/100 mV @1.2 kΩ Burden
	Accuracy⁷/Measuring range		±2 % Reading + 2 mA / Up to 1 A
Power	Active	Accuracy	IEC 61557-12 Class 0.5
	Reactive		IEC 61557-12 Class 1
	Apparent		IEC 61557-12 Class 0.5
Energy	Active	Accuracy	IEC 62053-22 Class 0.5S
		Measured data	Received/Delivered/Net/Sum(total) energy
	Reactive⁵	Accuracy	IEC 62053-24 Class 1
		Measured data	Positive/Negative/Net/Sum(total) energy
	Apparent⁵	Accuracy	IEC 61557-12 Class 0.5
Power factor	Power factor
Demand	Current/Power		Demand, Peak demand, Predicted demand^5,8
Power Quality
Current harmonics	Harmonic order		Up to the 31st harmonic
	Measured data		THD, TDD, magnitude of each harmonic⁵
Current unbalance⁶	Current unbalance according to the NEMA standard
	Zero-sequence/negative-sequence current unbalance

1. If the rated current exceeds 250 A, you should use Accura 2350-3PSC-CT5A-90 module with external CTs(the secondary current rating: 5 A).
2. It indicates the current input range for the CT secondary.
3. The middle hole of the module(Phase B) is little larger than other two holes(Phases A and C) in consideration of installing two external CTs.
4. The maximum measurement error of ±1 % may occur according to the position of the hole through which cables pass.
5. The data are not displayed on the LCD screen of Accura 2300 and are provided only via communication.
6. The data are available only when performing three-phase measurements.
7. It indicates the measurement accuracy when the measurement error of an external ZCT is zero.
8. The predicted demand is calculated based on the assumption that the current demand value is maintained during the
remaining demand subinterval within a demand subinterval.

Accura 2350-1PSCSH Power Measuring Modules

Current Input
Connector type	Through-hole type
Wire size	Selectable according to hole dimensions
Measurement
Frequency measurement	50/60 Hz, 42– 69 Hz
Sampling	FFT calculation(harmonic measurement)		64 samples/cycle
	RMS calculation(basic measurement)		32 samples/cycle
Current	Model		Basic Current	Measuring Range (Accuracy guaranteed)	Min Meas.Value	Hole Dimensions
	Accura 2350-1PSCSH-800A		800 A	3.20 A - 960 A	0.80 A	43.9 x 45.1 mm
	Accura 2350-1PSCSH-630A		630 A	2.52 A - 756 A	0.63 A	33.5 x 41.2 mm
	Accura 2350-1PSCSH-400A		400 A	1.60 A - 480 A	0.40 A	33.5 x 41.2 mm
	Accuracy		±0.2 % Reading
	Measured data		RMS, Fundamental, THD, TDD, Harmonics¹, Residual current², Leakage current
			Vector diagram(Phasor)¹, Crest factor¹, K-factor¹
			Unbalance according to symmetrical components(zero sequence or negative sequence)², the NEMA standard²
Leakage current	Leakage current input		Voltage-type external ZCT 200 mA/100 mV @1.2 kΩ Burden
	Accuracy³/Measuring range		±2 % Reading + 2 mA / Up to 1 A
Power	Active	Accuracy	IEC 61557-12 Class 0.2
	Reactive		IEC 61557-12 Class 1
	Apparent		IEC 61557-12 Class 0.2
Energy	Active	Accuracy	IEC 62053-22 Class 0.2S
		Measured data	Received/Delivered/Net/Sum(total) energy
	Reactive¹	Accuracy	IEC 62053-24 Class 1
		Measured data	Positive/Negative/Net/Sum(total) energy
	Apparent¹	Accuracy	IEC 61557-12 Class 0.2
Power factor	Power factor
Demand	Current/Power		Demand, Peak demand, Predicted demand^1,4
Power Quality
Current harmonics	Harmonic order		Up to the 31st harmonic
	Measured data		THD, TDD, magnitude of each harmonic⁵
Current unbalance²	Current unbalance according to the NEMA standard
	Zero-sequence/negative-sequence current unbalance

1. The data are not displayed on the LCD screen of Accura 2300 and are provided only via communication.
2. The data are available only when performing three-phase measurements. Three-phase measurements can be
performed by installing one Accura 2350-1PSCSH module for each phase. However, in 3P3W mode you can perform
three-phase measurements by installing two Accura 2350-1PSCSH modules for A and C phases.
3. It indicates the measurement accuracy when the measurement error of an external ZCT is zero.
4. The predicted demand is calculated based on the assumption that the current demand value is maintained during
the remaining demand subinterval within a demand subinterval.

TM-3P/1P Terminal Block

Accura 2300/2350 General Specifications

Model		Description
Three-phase	TM-3P-105	For use with Accura 2350-3P-250A-105 module
	TM-3P-90	For use with Accura 2350-3P-125A-90 module
	TM-3P-75L	For use with Accura 2350-3P-100A-75 module
	TM-3P-75	For use with Accura 2350-3P-60A-75 module
	TM-3P-105-LB¹	For use with Accura 2350-3P-250A-105 module
	TM-3P-90-LB¹	For use with Accura 2350-3P-125A-90 module
	TM-3P-75L-LB¹	For use with Accura 2350-3P-100A-75 module
	TM-3P-75-LB¹	For use with Accura 2350-3P-60A-75 module
Single-phase	TM-1P-105	For use with Accura 2350-1P-250A-105 module
	TM-1P-60	For use with Accura 2350-1P-125A-60 module
	TM-1P-50L	For use with Accura 2350-1P-100A-50 module
	TM-1P-50	For use with Accura 2350-1P-60A-50 module
	TM-1P-105-LB¹	For use with Accura 2350-1P-250A-105 module
	TM-1P-60-LB¹	For use with Accura 2350-1P-125A-60 module
	TM-1P-50L-LB¹	For use with Accura 2350-1P-100A-50 module
	TM-1P-50-LB¹	For use with Accura 2350-1P-60A-50 module

Device Type
	Model		Weight
	Three-phase	TM-3P-105	339 g
		TM-3P-90	202 g
		TM-3P-75L	183 g
		TM-3P-75	133 g
		TM-3P-105-LB¹	361 g
		TM-3P-90-LB¹	216 g
		TM-3P-75L-LB¹	220 g
		TM-3P-75-LB¹	160 g
	Single-phase	TM-1P-105	246g
		TM-1P-60	134g
		TM-1P-50L	121g
		TM-1P-50	88g
		TM-1P-105-LB¹	246 g
		TM-1P-60-LB¹	142 g
		TM-3P-50L-LB¹	128 g
		TM-3P-50-LB¹	96 g

Environmental Conditions
Operating temperature	-20 to 70 ℃(-4 to 158 ℉)
Safe operating temperature¹	-20 to 65 ℃(-4 to 149 ℉)
Storage temperature	-40 to 85 ℃(-40 to 185 ℉)
Operating humidity	5 - 95 %(non-condensing)
Operating altitude	Up to 2,000 m