Transtronics, Inc.


4 ½ Digit Loop-Powered Meters

PD675, PD677 now with FM and CSA approval!

Use these new 41/2 digit loop-powered meters to display numbers up to 19,999 with 1 count resolution. That is, they will display numbers like 7124, 15697 or 124.78 as "whole numbers"- no dummy zeroes or multipliers needed! These new meters are also available in 3 enclosure types: Panel mount, NEMA 4X, and Explosion-proof so they can be located almost anywhere in the plant. Options include open collector high -level-alarm output and square root extraction. FM and CSA nonincendive approvals for Division II areas will allow easy field installation without the need for additional protective barriers.


Model PD675

New projects should not use PD675 - Instead look at the PD684 or PD683 


Model PD680 

New projects should not use the PD680 instad look at the PD683 


Model PD677



Specifications: Basic Meter

 
Digit Sizes for loop-powered meters
Model Digit Size
PD675*  0.7"
PD686 & PD687 1.0"

Input: 4-20 mA

Calibration Range: 4 mA input: -5000 to 5000; 20 mA input: between 200 to 20000 above 4 mA input

Maximum Input Current: 30 mA

Maximum Voltage Drop: 5.2 VDC @ 20mA

Accuracy: +/- 0.05% of span, +/- 2 counts (linear input).

Operating Temperature Range: -20 to 65 deg C, meter with no alarm output option. 0 + 65 deg C, meter with alarm output.

Display: Sharp, 0.4" high LCD, 4 1/2 digits: 19999. User selectable decimal point.

Front Panel: NEMA 4X, panel gasket provided.

Enclosure: 1/8 DIN, high impact plastic, UL 94V-0
PD675  *now with FM and CSA approval

Display: Sharp 0.7" high LCD, 4 ½ digits: 19999. User selectable decimal point.

Enclosure: Impact-resistant polycarbonate body; clear polycarbonate cover; NEMA 4X, ½" conduit hole provided at base. May be provided on back for panel mounting applications.
PD677

Display: Sharp, 0.7" high LCD, 4 ½ digits; 19999. User selectable decimal point.

Enclosure: Cast aluminum, NEMA 3, 4, 7 & 9,>

Open Collector Alarm Output (Option) High-Alarm: Circuit closes above user set point.

Rating: 20 VDC @ 20 mA.

Set Point Adjustment : 10-100% of full scale, user selectable.

Reset: Automatically when the input falls below the alarm set point @ ~0.5% of full scale.

Alarm Set Point Accuracy: +/-0.5% of full scale.

Alarm Status Indication: Flashing display, user selectable.
Square Root Extraction (Option)

Square Root Extraction Accuracy:+/-0.2% full scale +/- counts from 15-100% of flow.

Low Flow Cutoff: 10-22% of full scale, user selectable.

PD6844 INSTRUCTIONS:

1. Insert the meter through the mounting plate.

2. Mount assembly on panel.

3. Secure with 4 brackets and 4 screws at corners of the meter. Use

washers as needed to allow for panel thickness.

NOTES:

1. Mounting brackets require 0.8. (20 mm) clearance on either top or

side of meter for installation.

2. Panel mounting kits are not intended to provide waterproof

protection to the panel.

PARTS SUPPLIED:

1. One mounting plate (ABS plastic)

2. Four self tapping screws

3. Four mounting brackets

4. Twelve washers

Cut out required 5.45. x 3.05. (138 x 78 mm)

Overall dimensions  6.43. x 4.05. x .125. (163 x 103 x 3 mm)

 

 
Ordering Information (Linear Input only)
Order number Description
PD675-N NEMA 4X, No Options
PD677-N Explosion-proof, No options
PDA6844 NEMA 4X Panel Mounting Kit
PDA6845 2" Pipe mounting Kit
Ordering Information (Linear Input and Square root Extraction)
Order number Description
PDA6844
NEMA 4X Panel Mounting Kit
PDA6845
2" Pipe Mounting Kit

Prices subject to change.
Transtronics, Inc. 3209 W.9th street
Lawrence, KS 66049
USA

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