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产品名称： PD6870系列一路 3½ 隔爆型数显表（回路供电）
产品型号：PD6870
产品厂商：PRECISION
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简单介绍：

Description: Explosion-Proof Loop-Powered Process Meter Input: 4-20 mA Display: 1.0" (25.4 mm) LCD, 3½ Digits Case: Explosion-Proof cast aluminum with glass window Operating Temperature: -40 to 75°C

详情介绍：

FEATURES

4-20 mA Input Loop-Powered
1 Volt Drop without Backlight
Large 1" High Display (25.4 mm)
3½ Digit Display
Explosion-Proof, NEMA 4X, IP68 Enclosure
Flanges for Wall or Pipe Mounting
Loop-Powered Backlight Option
Operates from -40 to 75°
Easy Calibration and Installation

INTRODUCTION

The PD6870 is a rugged, loop-powered meter with 1" display digits in an explosion-proof enclosure for demanding applications in hazardous areas or in the harshest environmental conditions. The meter derives all of its power from the 4-20 mA loop with a small 1 volt drop for easy installation in almost any system.

It is programmed using four easy to access front-mounted control dials with no complex or difficult to read programming menus necessary for setup. The numeric display will read from -1999 to 1999 over a 2000 count user adjustable scaling span. The backlight option lets you see the display under any lighting condition and is powered from the 4-20 mA loop with no additional power supply required.

The enclosure is provided with two threaded conduit holes and integrated pipe or wall mounting slotted flanges.

CONNECTIONS

PD6870 Input Connections with Loop-Powered Backlight

DIMENSIONS

SPECIFICATIONS

Except where noted all specifications apply to operation at +25°C.

General

Display: 3½ digit LCD, 1" (25.4 mm); -1999 to 1999
Display Update Rate: 2.5 Updates/Second
Overrange: Display reads 1 on the left most digit
Programming Method: Four front mounted rotary control dials accessed when the cover is removed.
Recalibration: Recommended at least every 12 months.
Normal Mode Rejection: 60 dB rejection ratio
Operating Temperature Range: -40 to 75°C
Storage Temperature Range: -40 to 75°C
Relative Humidity: 0 to 90% non-condensing
Connections: Screw terminals accept 12 to 22 AWG wire
Enclosure: Explosion-proof die cast aluminum with glass window, 0.30% max copper content, corrosion resistant epoxy coating, color: blue. NEMA 4X, IP68. Two ¾" NPT threaded conduit openings. One ¾" NPT nickel plated brass conduit plug with 10 mm hex key fitting installed.
Mounting: May be mounted directly to conduit. Two slotted flanges for wall mounting or NPS 1½" to 2½" or DN 40 to 65 mm pipe mounting.
Overall Dimensions: 5.65" x 5.25" x 4.86"
(144 mm x 133 mm x 124 mm) (W x H x D)
Weight: 5.00 lbs (80 oz, 2.27 kg)
Warranty: 3 years parts & labor

Input

Input: 4-20 mA
Accuracy: ±0.1% of full span ±1 count
Temperature Drift: 150 PPM/°C from -40 to 75°C ambient
Decimal Point: User selectable decimal point
Calibration Range: 4 mA input: -1000 to +1000; 20 mA between 20 and 2000 counts greater than 4 mA display. Two point linear display span.
Maximum Voltage Drop: 1 VDC @ 20 mA with backlight; 4 VDC @ 20 mA with loop-powered backlight
Input Overload: Over current protection to 2 A max.

Product Ratings & Approvals

FM: Explosion-proof for use in Class I, Division 1, Groups B, C, D. Class II, Division 1, Groups E, F, G. Class III, Division 1; T6. Class I, Zone 1, AExd IIC T6 Gb. Zone 21, AEx tb IIIC T85°C. Ta = -40 to 75°C.
Enclosure: Type 4X & IP66. Certificate number: 3040391
ATEX: II 2 G D. Ex d IIC T6 Gb. Ex tb IIIC T85°C Db IP68. Ta = -40 to 75°C. Certificate number: Sira 10ATEX1116X
IECEx: IECEx SIR 10.0056X. Ex d IIC T6 Gb. Ex tb IIIC T85°C Db IP68.Ta = -40°C to +75°C
CSA: Enclosure: Type 4X & IP66. Class I, Division 1, Groups B, C, D. Class II, Division 1, Groups E, F, G. Class III, Division 1; T6 Class I, Zone 1, Ex d IIC T6. Ta = -40°C to +75°C Certificate number: 11 2325749

ORDERING INFORMATION Products
Model		Description
PD6870-0L0		Loop-Powered Ex-Proof Process Meter: No Options Installed
PD6870-0K0		Loop-Powered Ex-Proof Process Meter with Backlight

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产品名称： PD6870系列一路 3½ 隔爆型数显表（回路供电）