手持仪表 PSD

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产品名称：手持仪表
产品型号：PSD
产品展商：ME
产品文档：无相关文档

简单介绍

PSD手持仪表手持式便携仪表仅重250g 采用两节AA电池供电即可，电池寿命长达450小时 7位LCD高分辨率显示精度两个独立量程可供标定随时切换支持自动休眠，大小捕捉等功能支持毫伏法，SHUNT法标定，内置SHUNT电阻 RS232输出可供选择支持TEDS

产品描述

PSD手持仪表
手持式便携仪表仅重250g
采用两节AA电池供电即可，电池寿命长达450小时
7位LCD高分辨率显示精度
两个独立量程可供标定随时切换
支持自动休眠，大小捕捉等功能
支持毫伏法，SHUNT法标定，内置SHUNT电阻
RS232输出可供选择
支持TEDS

Description
	Min	Typical	Max	Units
Non linearity		0.001	0.005	% FR
Internal resolution		24		Bits
Resolution at 1 Hz sample rate		250,000		Counts /Divisions
Resolution at 10 Hz smaple rate		65,000		Counts /Divisions
Temperature effect on zero		0.0002	0.0007	±%FC/°@2.5mV/V
Temperature effect on span		0.0002	0.0005	±%/°C
Offset stability		0.002	0.008	±%FR*
Gain stability		0.003	0.01	% per annum
Excitation voltage	4.8	5	5.2	Vdc
Strain gauge impedance	85	350	5,000	Ohms
Sensitivity full range, setting 1	-5		+5	mV/V
Sensitivity full range, setting 2	-50		+50	mV/V
* from original offset at any time
Performance
Input Type	Strain Gauge Full Bridge Sensors
Internal Battery	2 x AA Alkaline, access via sealed rear compartment, please note batteries are not included
Battery Life	With 350R sensor continuously on 35 hours or up to 450 hrs in low power mode
Update Rate Strain Gauge Full	10mS to 2s Including Peak/Valley Hold capture rate
Indication
Display Type	7 digit LCD display, 8.8mm high digits
Display Resolution	1 part in 250,000 at 1s update
Annunciators	Low battery warning peak, trough, hold, net, shunt cal, range, by LCD annunicators
Control Variables
Front Panel User Keys	Tactile Keys for:- ON/OFF/TROUGH Switches PSD power on/off/displays trough reading RANGE Selects between two ranges, PEAK displays peak reading HOLD Switches Hold on/off GROSS/NET Toggles between gross and net readings SHUNT CAL Puts PSD units shunt calibration mode (100k resistor)
Settable Parameters	Display Resolution Rate 0.5, 1, 3, 10, 25Hz Low power modes
Calibration	By front panel keypad buttons protected by key sequence
Extra connector	RS2342 comms port
Options
Serial RS232 Port, Streaming ASCIifor print, remote display and logging Leather carry case VisualLink, PC SCADA application
Environmental
Storage Temperature			-40 to +65ºC (excluding batteries)
Operating Temperature			-10 to +50ºC (excluding batteries)
CE Environmental Approvals			European EMC Directive 2004/1108/EC, Low Voltage Directive 2006/95/EC

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手持仪表